forked from extern/shorewall_code
Update for Shorewall 2.0.9
git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@1641 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
This commit is contained in:
parent
1e86648628
commit
58204f5bc0
@ -1,5 +1,5 @@
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#
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# Shorewall 2.0 /etc/shorewall/actions
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# Shorewall 2.1 /etc/shorewall/actions
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#
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# This file allows you to define new ACTIONS for use in rules
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# (/etc/shorewall/rules). You define the iptables rules to
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@ -8,10 +8,12 @@
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#
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# ACTION names should begin with an upper-case letter to
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# distinguish them from Shorewall-generated chain names and
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# they must need the requirements of a Netfilter chain
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# name as well as the requirements for a Bourne Shell identifier
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# (must begin with a letter and be composed of letters, digits
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# and underscore characters).
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# they must need the requirements of a Netfilter chain. If
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# you intend to log from the action then the name must be
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# no longer than 11 character in length. Names must also
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# meet the requirements for a Bourne Shell identifier (must
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# begin with a letter and be composed of letters, digits and
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# underscore characters).
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#
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# If you follow the action name with ":DROP", ":REJECT" or
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# :ACCEPT then the action will be taken before a DROP, REJECT or
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@ -42,6 +42,13 @@
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# will automatically add this address to the
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# INTERFACE named in the first column.
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#
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# If you have set ADD_SNAT_ALIASES=Yes in
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# /etc/shorewall/shorewall.conf then DO NOT
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# PLACE YOUR EXTERNAL INTERFACE'S PRIMARY IP
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# ADDRESS IN THIS COLUMN -- If you do so, you
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# will loose your default route when Shorewall
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# starts.
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#
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# You may also specify a range of up to 256
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# IP addresses if you want the SNAT address to
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# be assigned from that range in a round-robin
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@ -195,8 +195,8 @@
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# ranges.
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#
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# If you don't want to restrict client ports but need to
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# specify an ADDRESS in the next column, then place "-"
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# in this column.
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# specify an ORIGINAL DEST in the next column, then place
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# "-" in this column.
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#
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# If your kernel contains multi-port match support, then
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# only a single Netfilter rule will be generated if in
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@ -14,7 +14,9 @@
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#
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# Columns are:
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#
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# SUBNET The subnet (host addresses also allowed)
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# SUBNET The subnet (host addresses also allowed as are IP
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# address ranges provided that your kernel and iptables
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# include iprange match support).
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# TARGET Where to send packets to/from this subnet
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# RETURN - let the packet be processed normally
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# DROP - silently drop the packet
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@ -47,8 +49,9 @@
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49.0.0.0/8 logdrop # JTC - Returned to IANA Mar 98
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50.0.0.0/8 logdrop # JTC - Returned to IANA Mar 98
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58.0.0.0/7 logdrop # Reserved
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71.0.0.0/8 logdrop # Reserved
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72.0.0.0/5 logdrop # Reserved
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73.0.0.0/8 logdrop # Reserved
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74.0.0.0/7 logdrop # Reserved
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76.0.0.0/6 logdrop # Reserved
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89.0.0.0/8 logdrop # Reserved
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90.0.0.0/7 logdrop # Reserved
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92.0.0.0/6 logdrop # Reserved
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@ -2075,6 +2075,8 @@ process_tc_rule()
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fi
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[ "x$dest" = "x-" ] || r="${r}-d $dest "
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[ "x$proto" = "x-" ] && proto=all
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[ "x$proto" = "x" ] && proto=all
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[ "$proto" = "all" ] || r="${r}-p $proto "
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[ "x$port" = "x-" ] || r="${r}--dport $port "
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[ "x$sport" = "x-" ] || r="${r}--sport $sport "
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@ -1 +1 @@
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2.0.8
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2.0.9
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@ -15,7 +15,7 @@
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</author>
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</authorgroup>
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<pubdate>2004-08-10</pubdate>
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<pubdate>2004-09-10</pubdate>
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<copyright>
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<year>2001-2004</year>
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@ -1759,6 +1759,17 @@ DNAT loc:<emphasis role="bold">192.168.1.0/24</emphasis> loc:192.168.1.3 tcp
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address), the original source address is used. If you want any
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destination address to match the rule but want to specify SNAT,
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simply use a colon followed by the SNAT address.</para>
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<important>
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<para>Shorewall does not take any steps to ensure that IP
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addresses entered in this column are added to the appropriate
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firewall interface. Unless traffic for this address is
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automatically routed to the firewall by another router, it is your
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responsibility to add the address using your distributions network
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configuration facilities. See <ulink
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url="Shorewall_and_Aliased_Interfaces.html">this article</ulink>
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for additional information.</para>
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</important>
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</listitem>
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</varlistentry>
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@ -3553,7 +3564,7 @@ eth1 -</programlisting>
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<member>No - Only traffic to/from some of the hosts in this zone
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is encrypted. Those encrypted hosts are designated using the
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<emphasis role="bold">ipsec</emphasis> option in <link
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linkend="Hosts">/etc/shorewall/hosts</link>. </member>
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linkend="Hosts">/etc/shorewall/hosts</link>.</member>
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</simplelist>
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</glossdef>
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</glossentry>
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@ -15,7 +15,7 @@
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</author>
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</authorgroup>
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<pubdate>2004-07-20</pubdate>
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<pubdate>2004-09-23</pubdate>
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<copyright>
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<year>2001-2004</year>
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@ -31,14 +31,21 @@
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1.2 or any later version published by the Free Software Foundation; with
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no Invariant Sections, with no Front-Cover, and with no Back-Cover
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Texts. A copy of the license is included in the section entitled
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<quote><ulink url="GnuCopyright.htm">GNU Free Documentation License</ulink></quote>.</para>
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<quote><ulink url="GnuCopyright.htm">GNU Free Documentation
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License</ulink></quote>.</para>
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</legalnotice>
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</articleinfo>
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<note>
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<para>The complete Shorewall Documentation is <ulink
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url="http://www.shorewall.net/download.htm">available for download</ulink>
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in both Docbook XML and HTML formats.</para>
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</note>
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<caution>
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<para>Are you running Shorewall on <ulink
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url="http://www.mandrakesoft.com"><trademark>Mandrake</trademark> Linux</ulink>
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with a two-interface setup?</para>
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url="http://www.mandrakesoft.com"><trademark>Mandrake</trademark>
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Linux</ulink> with a two-interface setup?</para>
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<para>If so and if you configured your system while running a Mandrake
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release earlier than 10.0 final then this documentation will not apply
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@ -51,7 +58,8 @@
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<itemizedlist>
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<listitem>
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<para><ulink url="Introduction.html">Introduction to Shorewall</ulink></para>
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<para><ulink url="Introduction.html">Introduction to
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Shorewall</ulink></para>
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</listitem>
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<listitem>
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@ -107,48 +115,167 @@
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<listitem>
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<para><ulink url="configuration_file_basics.htm">Common configuration
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file features </ulink><itemizedlist><listitem><para><ulink
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url="configuration_file_basics.htm#Comments">Comments in configuration
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files</ulink></para></listitem><listitem><para><ulink
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url="configuration_file_basics.htm#Continuation">Line Continuation</ulink></para></listitem><listitem><para><ulink
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url="configuration_file_basics.htm#INCLUDE">INCLUDE Directive</ulink></para></listitem><listitem><para><ulink
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url="configuration_file_basics.htm#Ports">Port Numbers/Service Names</ulink>configuration_file_basics.htm#Ports</para></listitem><listitem><para><ulink
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url="configuration_file_basics.htm#Ranges">Port Ranges</ulink></para></listitem><listitem><para><ulink
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url="configuration_file_basics.htm#Variables">Using Shell Variables</ulink></para></listitem><listitem><para><ulink
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url="configuration_file_basics.htm#dnsnames">Using DNS Names</ulink></para></listitem><listitem><para><ulink
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url="configuration_file_basics.htm#Compliment">Complementing an IP
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address or Subnet</ulink></para></listitem><listitem><para><ulink
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url="configuration_file_basics.htm#Levels">Shorewall Configurations
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(making a test configuration)</ulink></para></listitem><listitem><para><ulink
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url="configuration_file_basics.htm#MAC">Using MAC Addresses in Shorewall</ulink></para></listitem></itemizedlist></para>
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file features </ulink><itemizedlist>
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<listitem>
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<para><ulink url="configuration_file_basics.htm#Comments">Comments
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in configuration files</ulink></para>
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</listitem>
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<listitem>
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<para><ulink url="configuration_file_basics.htm#Continuation">Line
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Continuation</ulink></para>
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</listitem>
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<listitem>
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<para><ulink url="configuration_file_basics.htm#INCLUDE">INCLUDE
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Directive</ulink></para>
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</listitem>
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<listitem>
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<para><ulink url="configuration_file_basics.htm#Ports">Port
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Numbers/Service
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Names</ulink>configuration_file_basics.htm#Ports</para>
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</listitem>
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<listitem>
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<para><ulink url="configuration_file_basics.htm#Ranges">Port
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Ranges</ulink></para>
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</listitem>
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<listitem>
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<para><ulink url="configuration_file_basics.htm#Variables">Using
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Shell Variables</ulink></para>
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</listitem>
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<listitem>
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<para><ulink url="configuration_file_basics.htm#dnsnames">Using
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DNS Names</ulink></para>
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</listitem>
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<listitem>
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<para><ulink
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url="configuration_file_basics.htm#Compliment">Complementing an IP
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address or Subnet</ulink></para>
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</listitem>
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<listitem>
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<para><ulink url="configuration_file_basics.htm#Levels">Shorewall
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Configurations (making a test configuration)</ulink></para>
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</listitem>
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<listitem>
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<para><ulink url="configuration_file_basics.htm#MAC">Using MAC
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Addresses in Shorewall</ulink></para>
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</listitem>
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</itemizedlist></para>
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</listitem>
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<listitem>
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<para><ulink url="Documentation.htm">Configuration File Reference Manual
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</ulink><itemizedlist><listitem><para><ulink
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url="Documentation.htm#Variables">params</ulink></para></listitem><listitem><para><ulink
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url="Documentation.htm#Zones">zones</ulink></para></listitem><listitem><para><ulink
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url="Documentation.htm#Interfaces">interfaces</ulink></para></listitem><listitem><para><ulink
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url="Documentation.htm#Hosts">hosts</ulink></para></listitem><listitem><para><ulink
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url="Documentation.htm#Policy">policy</ulink></para></listitem><listitem><para><ulink
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url="Documentation.htm#Rules">rules</ulink></para></listitem><listitem><para><ulink
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url="Documentation.htm#Masq">masq</ulink></para></listitem><listitem><para><ulink
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url="Documentation.htm#ProxyArp">proxyarp</ulink></para></listitem><listitem><para><ulink
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url="Documentation.htm#NAT">nat</ulink></para></listitem><listitem><para><ulink
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url="Documentation.htm#Tunnels">tunnels</ulink></para></listitem><listitem><para><ulink
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url="traffic_shaping.htm#tcrules">tcrules</ulink></para></listitem><listitem><para><ulink
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url="Documentation.htm#Conf">shorewall.conf</ulink></para></listitem><listitem><para><ulink
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url="Documentation.htm#modules">modules</ulink></para></listitem><listitem><para><ulink
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url="Documentation.htm#TOS">tos</ulink></para></listitem><listitem><para><ulink
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url="Documentation.htm#Blacklist">blacklist</ulink></para></listitem><listitem><para><ulink
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url="Documentation.htm#rfc1918">rfc1918</ulink></para></listitem><listitem><para><ulink
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url="Documentation.htm#Routestopped">routestopped</ulink></para></listitem><listitem><para><ulink
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url="Accounting.html">accounting</ulink></para></listitem><listitem><para><ulink
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url="UserSets.html">usersets and users</ulink></para></listitem><listitem><para><ulink
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url="MAC_Validation.html">maclist</ulink></para></listitem><listitem><para><ulink
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url="User_defined_Actions.html">actions and action.template</ulink></para></listitem><listitem><para><ulink
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url="Documentation.htm#Bogons">bogons</ulink></para></listitem><listitem><para><ulink
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url="Documentation.htm#Netmap">netmap</ulink></para></listitem></itemizedlist></para>
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||||
</ulink><itemizedlist>
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<listitem>
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<para><ulink
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url="Documentation.htm#Variables">params</ulink></para>
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</listitem>
|
||||
|
||||
<listitem>
|
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<para><ulink url="Documentation.htm#Zones">zones</ulink></para>
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</listitem>
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<listitem>
|
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<para><ulink
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url="Documentation.htm#Interfaces">interfaces</ulink></para>
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</listitem>
|
||||
|
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<listitem>
|
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<para><ulink url="Documentation.htm#Hosts">hosts</ulink></para>
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</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink url="Documentation.htm#Policy">policy</ulink></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink url="Documentation.htm#Rules">rules</ulink></para>
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</listitem>
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||||
|
||||
<listitem>
|
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<para><ulink url="Documentation.htm#Masq">masq</ulink></para>
|
||||
</listitem>
|
||||
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<listitem>
|
||||
<para><ulink
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url="Documentation.htm#ProxyArp">proxyarp</ulink></para>
|
||||
</listitem>
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||||
|
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<listitem>
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<para><ulink url="Documentation.htm#NAT">nat</ulink></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
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<para><ulink
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url="Documentation.htm#Tunnels">tunnels</ulink></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink
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url="traffic_shaping.htm#tcrules">tcrules</ulink></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink
|
||||
url="Documentation.htm#Conf">shorewall.conf</ulink></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink
|
||||
url="Documentation.htm#modules">modules</ulink></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink url="Documentation.htm#TOS">tos</ulink></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink
|
||||
url="Documentation.htm#Blacklist">blacklist</ulink></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink
|
||||
url="Documentation.htm#rfc1918">rfc1918</ulink></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink
|
||||
url="Documentation.htm#Routestopped">routestopped</ulink></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink url="Accounting.html">accounting</ulink></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink url="UserSets.html">usersets and users</ulink></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink url="MAC_Validation.html">maclist</ulink></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink url="User_defined_Actions.html">actions and
|
||||
action.template</ulink></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink url="Documentation.htm#Bogons">bogons</ulink></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink url="Documentation.htm#Netmap">netmap</ulink></para>
|
||||
</listitem>
|
||||
</itemizedlist></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
@ -161,7 +288,8 @@
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink url="ECN.html">ECN Disabling by host or subnet</ulink></para>
|
||||
<para><ulink url="ECN.html">ECN Disabling by host or
|
||||
subnet</ulink></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
@ -169,9 +297,9 @@
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink url="shorewall_extension_scripts.htm">Extension Scripts</ulink>
|
||||
(How to extend Shorewall without modifying Shorewall code through the
|
||||
use of files in /etc/shorewall -- /etc/shorewall/start,
|
||||
<para><ulink url="shorewall_extension_scripts.htm">Extension
|
||||
Scripts</ulink> (How to extend Shorewall without modifying Shorewall
|
||||
code through the use of files in /etc/shorewall -- /etc/shorewall/start,
|
||||
/etc/shorewall/stopped, etc.)</para>
|
||||
</listitem>
|
||||
|
||||
@ -197,7 +325,8 @@
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink url="support.htm">Getting help or answers to questions</ulink></para>
|
||||
<para><ulink url="support.htm">Getting help or answers to
|
||||
questions</ulink></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
@ -209,7 +338,8 @@
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink url="Shorewall_and_Kazaa.html">Kazaa Filtering</ulink></para>
|
||||
<para><ulink url="Shorewall_and_Kazaa.html">Kazaa
|
||||
Filtering</ulink></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
@ -235,7 +365,8 @@
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink url="NetfilterOverview.html">Netfilter Overview</ulink></para>
|
||||
<para><ulink url="NetfilterOverview.html">Netfilter
|
||||
Overview</ulink></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
@ -261,7 +392,7 @@
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink url="ping.html">'Ping' Management</ulink></para>
|
||||
<para><ulink url="ping.html">'Ping' Management</ulink></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
@ -291,11 +422,13 @@
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink url="shorewall_prerequisites.htm">Requirements</ulink></para>
|
||||
<para><ulink
|
||||
url="shorewall_prerequisites.htm">Requirements</ulink></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink url="Multiple_Zones.html">Routing on One Interface</ulink></para>
|
||||
<para><ulink url="Multiple_Zones.html">Routing on One
|
||||
Interface</ulink></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
@ -303,29 +436,117 @@
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink url="shorewall_setup_guide.htm">Shorewall Setup Guide</ulink><itemizedlist><listitem><para><ulink
|
||||
url="shorewall_setup_guide.htm#Introduction">Introduction</ulink></para></listitem><listitem><para><ulink
|
||||
url="shorewall_setup_guide.htm#Concepts">Shorewall Concepts</ulink></para></listitem><listitem><para><ulink
|
||||
url="shorewall_setup_guide.htm#Interfaces">Network Interfaces</ulink></para></listitem><listitem><para><ulink
|
||||
url="shorewall_setup_guide.htm#Addressing">Addressing, Subnets and
|
||||
Routing</ulink></para><itemizedlist><listitem><para><ulink
|
||||
url="shorewall_setup_guide.htm#Addresses">IP Addresses</ulink></para></listitem><listitem><para><ulink
|
||||
url="shorewall_setup_guide.htm#Subnets">Subnets</ulink></para></listitem><listitem><para><ulink
|
||||
url="shorewall_setup_guide.htm#Routing">Routing</ulink></para></listitem><listitem><para><ulink
|
||||
url="shorewall_setup_guide.htm#ARP">Address Resolution Protocol (ARP)</ulink></para></listitem><listitem><para><ulink
|
||||
url="shorewall_setup_guide.htm#RFC1918">RFC 1918</ulink></para></listitem></itemizedlist></listitem><listitem><para><ulink
|
||||
url="shorewall_setup_guide.htm#Options">Setting up your Network</ulink></para><itemizedlist><listitem><para><ulink
|
||||
url="shorewall_setup_guide.htm#Routed">Routed</ulink></para></listitem><listitem><para><ulink
|
||||
url="shorewall_setup_guide.htm#NonRouted">Non-routed</ulink></para><itemizedlist><listitem><para><ulink
|
||||
url="shorewall_setup_guide.htm#SNAT">SNAT</ulink></para></listitem><listitem><para><ulink
|
||||
url="shorewall_setup_guide.htm#DNAT">DNAT</ulink></para></listitem><listitem><para><ulink
|
||||
url="shorewall_setup_guide.htm#ProxyARP">Proxy ARP</ulink></para></listitem><listitem><para><ulink
|
||||
url="shorewall_setup_guide.htm#NAT">One-to-one NAT</ulink></para></listitem></itemizedlist></listitem><listitem><para><ulink
|
||||
url="shorewall_setup_guide.htm#Rules">Rules</ulink></para></listitem><listitem><para><ulink
|
||||
url="shorewall_setup_guide.htm#OddsAndEnds">Odds and Ends</ulink></para></listitem></itemizedlist></listitem><listitem><para><ulink
|
||||
url="shorewall_setup_guide.htm#DNS">DNS</ulink></para></listitem><listitem><para><ulink
|
||||
url="starting_and_stopping_shorewall.htm">Starting and Stopping the
|
||||
Firewall</ulink></para></listitem></itemizedlist></para>
|
||||
<para><ulink url="shorewall_setup_guide.htm">Shorewall Setup
|
||||
Guide</ulink><itemizedlist>
|
||||
<listitem>
|
||||
<para><ulink
|
||||
url="shorewall_setup_guide.htm#Introduction">Introduction</ulink></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink url="shorewall_setup_guide.htm#Concepts">Shorewall
|
||||
Concepts</ulink></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink url="shorewall_setup_guide.htm#Interfaces">Network
|
||||
Interfaces</ulink></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink
|
||||
url="shorewall_setup_guide.htm#Addressing">Addressing, Subnets and
|
||||
Routing</ulink></para>
|
||||
|
||||
<itemizedlist>
|
||||
<listitem>
|
||||
<para><ulink url="shorewall_setup_guide.htm#Addresses">IP
|
||||
Addresses</ulink></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink
|
||||
url="shorewall_setup_guide.htm#Subnets">Subnets</ulink></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink
|
||||
url="shorewall_setup_guide.htm#Routing">Routing</ulink></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink url="shorewall_setup_guide.htm#ARP">Address
|
||||
Resolution Protocol (ARP)</ulink></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink url="shorewall_setup_guide.htm#RFC1918">RFC
|
||||
1918</ulink></para>
|
||||
</listitem>
|
||||
</itemizedlist>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink url="shorewall_setup_guide.htm#Options">Setting up
|
||||
your Network</ulink></para>
|
||||
|
||||
<itemizedlist>
|
||||
<listitem>
|
||||
<para><ulink
|
||||
url="shorewall_setup_guide.htm#Routed">Routed</ulink></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink
|
||||
url="shorewall_setup_guide.htm#NonRouted">Non-routed</ulink></para>
|
||||
|
||||
<itemizedlist>
|
||||
<listitem>
|
||||
<para><ulink
|
||||
url="shorewall_setup_guide.htm#SNAT">SNAT</ulink></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink
|
||||
url="shorewall_setup_guide.htm#DNAT">DNAT</ulink></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink
|
||||
url="shorewall_setup_guide.htm#ProxyARP">Proxy
|
||||
ARP</ulink></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink
|
||||
url="shorewall_setup_guide.htm#NAT">One-to-one
|
||||
NAT</ulink></para>
|
||||
</listitem>
|
||||
</itemizedlist>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink
|
||||
url="shorewall_setup_guide.htm#Rules">Rules</ulink></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink url="shorewall_setup_guide.htm#OddsAndEnds">Odds
|
||||
and Ends</ulink></para>
|
||||
</listitem>
|
||||
</itemizedlist>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink
|
||||
url="shorewall_setup_guide.htm#DNS">DNS</ulink></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink url="starting_and_stopping_shorewall.htm">Starting
|
||||
and Stopping the Firewall</ulink></para>
|
||||
</listitem>
|
||||
</itemizedlist></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
@ -334,13 +555,20 @@
|
||||
|
||||
<listitem>
|
||||
<para><ulink url="starting_and_stopping_shorewall.htm">Starting/stopping
|
||||
the Firewall</ulink><itemizedlist><listitem><para>Description of all
|
||||
/sbin/shorewall commands</para></listitem><listitem><para>How to safely
|
||||
test a Shorewall configuration change</para></listitem></itemizedlist></para>
|
||||
the Firewall</ulink><itemizedlist>
|
||||
<listitem>
|
||||
<para>Description of all /sbin/shorewall commands</para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para>How to safely test a Shorewall configuration change</para>
|
||||
</listitem>
|
||||
</itemizedlist></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink url="Shorewall_Squid_Usage.html">Squid with Shorewall</ulink></para>
|
||||
<para><ulink url="Shorewall_Squid_Usage.html">Squid with
|
||||
Shorewall</ulink></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
@ -352,16 +580,18 @@
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink url="traffic_shaping.htm">Traffic Shaping/QOS</ulink></para>
|
||||
<para><ulink url="traffic_shaping.htm">Traffic
|
||||
Shaping/QOS</ulink></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink url="troubleshoot.htm">Troubleshooting</ulink> (Things to
|
||||
try if it doesn't work)</para>
|
||||
try if it doesn't work)</para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink url="User_defined_Actions.html">User-defined Actions</ulink></para>
|
||||
<para><ulink url="User_defined_Actions.html">User-defined
|
||||
Actions</ulink></para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
@ -402,13 +632,15 @@
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink url="GenericTunnels.html">Other VPN types</ulink></para>
|
||||
<para><ulink url="GenericTunnels.html">Other VPN
|
||||
types</ulink></para>
|
||||
</listitem>
|
||||
</itemizedlist>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para><ulink url="whitelisting_under_shorewall.htm">White List Creation</ulink></para>
|
||||
<para><ulink url="whitelisting_under_shorewall.htm">White List
|
||||
Creation</ulink></para>
|
||||
</listitem>
|
||||
</orderedlist>
|
||||
</article>
|
@ -17,7 +17,7 @@
|
||||
</author>
|
||||
</authorgroup>
|
||||
|
||||
<pubdate>2004-08-31</pubdate>
|
||||
<pubdate>2004-09-23</pubdate>
|
||||
|
||||
<copyright>
|
||||
<year>2001-2004</year>
|
||||
@ -617,6 +617,10 @@ to debug/develop the newnat interface.</programlisting></para>
|
||||
<para>Answer: Add the <firstterm>routeback</firstterm> option to
|
||||
<filename class="devicefile">br0</filename> in <ulink
|
||||
url="Documentation.htm#Interfaces">/etc/shorewall/interfaces</ulink>.</para>
|
||||
|
||||
<para>For more information on this type of configuration, see the <ulink
|
||||
url="SimpleBridge.html">Shorewall Simple Bridge
|
||||
documentation</ulink>.</para>
|
||||
</section>
|
||||
</section>
|
||||
|
||||
@ -817,10 +821,11 @@ LOGBURST=""</programlisting>
|
||||
</section>
|
||||
|
||||
<section id="faq17">
|
||||
<title>(FAQ 17) What does this log message mean?</title>
|
||||
<title>(FAQ 17) Why are these packets being Dropped/Rejected?</title>
|
||||
|
||||
<para><emphasis role="bold">Answer:</emphasis> Logging occurs out of a
|
||||
number of chains (as indicated in the log message) in Shorewall:</para>
|
||||
<para><emphasis role="bold">Answer:</emphasis> Logging of
|
||||
dropped/rejected packets occurs out of a number of chains (as indicated
|
||||
in the log message) in Shorewall:</para>
|
||||
|
||||
<variablelist>
|
||||
<varlistentry>
|
||||
@ -937,9 +942,14 @@ LOGBURST=""</programlisting>
|
||||
<para>The packet has a source IP address that isn't in any of your
|
||||
defined zones (<quote>shorewall check</quote> and look at the
|
||||
printed zone definitions) or the chain is FORWARD and the
|
||||
destination IP isn't in any of your defined zones. Also see <xref
|
||||
linkend="faq2a" /> for another cause of packets being logged in
|
||||
the FORWARD chain.</para>
|
||||
destination IP isn't in any of your defined zones. If the chain is
|
||||
FORWARD and the IN and OUT interfaces are the same, then you
|
||||
probably need the <emphasis role="bold">routeback</emphasis>
|
||||
option on that interface in <filename><ulink
|
||||
url="Documentation.htm#Interfaces">/etc/shorewall/interfaces</ulink></filename>
|
||||
or you need the <emphasis role="bold">routeback</emphasis> option
|
||||
in the relevant entry in <filename><ulink
|
||||
url="Documentation.htm#Hosts">/etc/shorewall/hosts</ulink></filename>.</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
|
||||
@ -976,7 +986,7 @@ LOGBURST=""</programlisting>
|
||||
<para>This packet was REJECTed out of the <emphasis
|
||||
role="bold">all2all</emphasis> chain -- the packet was rejected
|
||||
under the <quote>all</quote>-><quote>all</quote> REJECT
|
||||
policy (<xref linkend="all2all" /> above).</para>
|
||||
policy (<link linkend="all2all">all2all</link> above).</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
|
||||
@ -1820,6 +1830,27 @@ iptables: Invalid argument
|
||||
<title>Revision History</title>
|
||||
|
||||
<para><revhistory>
|
||||
<revision>
|
||||
<revnumber>1.32</revnumber>
|
||||
|
||||
<date>2004-09-23</date>
|
||||
|
||||
<authorinitials>TE</authorinitials>
|
||||
|
||||
<revremark>Add link to simple bridge documentation from FAQ
|
||||
35.</revremark>
|
||||
</revision>
|
||||
|
||||
<revision>
|
||||
<revnumber>1.31</revnumber>
|
||||
|
||||
<date>2004-09-12</date>
|
||||
|
||||
<authorinitials>TE</authorinitials>
|
||||
|
||||
<revremark>Rename FAQ 17.</revremark>
|
||||
</revision>
|
||||
|
||||
<revision>
|
||||
<revnumber>1.30</revnumber>
|
||||
|
||||
|
@ -21,7 +21,7 @@
|
||||
</author>
|
||||
</authorgroup>
|
||||
|
||||
<pubdate>2003-02-04</pubdate>
|
||||
<pubdate>2004-09-14</pubdate>
|
||||
|
||||
<copyright>
|
||||
<year>2003</year>
|
||||
@ -37,7 +37,8 @@
|
||||
1.2 or any later version published by the Free Software Foundation; with
|
||||
no Invariant Sections, with no Front-Cover, and with no Back-Cover
|
||||
Texts. A copy of the license is included in the section entitled
|
||||
<quote><ulink url="GnuCopyright.htm">GNU Free Documentation License</ulink></quote>.</para>
|
||||
<quote><ulink url="GnuCopyright.htm">GNU Free Documentation
|
||||
License</ulink></quote>.</para>
|
||||
</legalnotice>
|
||||
</articleinfo>
|
||||
|
||||
@ -45,8 +46,9 @@
|
||||
Network) daemon which can be used to securely link two or more private
|
||||
networks using an encrypted tunnel over the internet. OpenVPN is an Open
|
||||
Source project and is <ulink
|
||||
url="http://openvpn.sourceforge.net/license.html">licensed under the GPL</ulink>.
|
||||
OpenVPN can be downloaded from <ulink url="http://openvpn.sourceforge.net/">http://openvpn.sourceforge.net/</ulink>.</para>
|
||||
url="http://openvpn.sourceforge.net/license.html">licensed under the
|
||||
GPL</ulink>. OpenVPN can be downloaded from <ulink
|
||||
url="http://openvpn.sourceforge.net/">http://openvpn.sourceforge.net/</ulink>.</para>
|
||||
|
||||
<para>OpenVPN support was added to Shorewall in version 1.3.14.</para>
|
||||
|
||||
@ -59,146 +61,73 @@
|
||||
|
||||
<para>We want systems in the 192.168.1.0/24 subnetwork to be able to
|
||||
communicate with the systems in the 10.0.0.0/8 network. This is
|
||||
accomplished through use of the /etc/shorewall/tunnels file and the
|
||||
/etc/shorewall/policy file and OpenVPN.</para>
|
||||
accomplished through use of the
|
||||
<filename>/etc/shorewall/tunnels</filename> file and the
|
||||
<filename>/etc/shorewall/policy file</filename> and OpenVPN.</para>
|
||||
|
||||
<para>While it was possible to use the Shorewall start and stop script to
|
||||
start and stop OpenVPN, I decided to use the init script of OpenVPN to
|
||||
start and stop it.</para>
|
||||
|
||||
<para>On each firewall, you will need to declare a zone to represent the
|
||||
remote subnet. We'll assume that this zone is called <quote>vpn</quote>
|
||||
and declare it in /etc/shorewall/zones on both systems as follows.</para>
|
||||
remote subnet. We'll assume that this zone is called <quote>vpn</quote>
|
||||
and declare it in <filename>/etc/shorewall/zones</filename> on both
|
||||
systems as follows.</para>
|
||||
|
||||
<table>
|
||||
<title>/etc/shorewall/zones system A & B</title>
|
||||
<blockquote>
|
||||
<para><filename>/etc/shorewall/zones</filename> — Systems A &
|
||||
B</para>
|
||||
|
||||
<tgroup cols="3">
|
||||
<thead>
|
||||
<row>
|
||||
<entry align="center">ZONE</entry>
|
||||
<programlisting>#ZONE DISPLAY COMMENTS
|
||||
vpn VPN Remote subnet</programlisting>
|
||||
</blockquote>
|
||||
|
||||
<entry align="center">DISPLAY</entry>
|
||||
<para>On system A, the 10.0.0.0/8 will comprise the <emphasis
|
||||
role="bold">vpn</emphasis> zone.</para>
|
||||
|
||||
<entry align="center">COMMENTS</entry>
|
||||
</row>
|
||||
</thead>
|
||||
<blockquote>
|
||||
<para>In <filename>/etc/shorewall/interfaces</filename> on system
|
||||
A:</para>
|
||||
|
||||
<tbody>
|
||||
<row>
|
||||
<entry>vpn</entry>
|
||||
<programlisting>#ZONE INTERFACE BROADCAST OPTIONS
|
||||
vpn tun0</programlisting>
|
||||
</blockquote>
|
||||
|
||||
<entry>VPN</entry>
|
||||
<para>In <filename>/etc/shorewall/tunnels</filename> on system A, we need
|
||||
the following:</para>
|
||||
|
||||
<entry>Remote Subnet</entry>
|
||||
</row>
|
||||
</tbody>
|
||||
</tgroup>
|
||||
</table>
|
||||
<blockquote>
|
||||
<programlisting>#TYPE ZONE GATEWAY GATEWAY ZONE
|
||||
openvpn net 134.28.54.2</programlisting>
|
||||
</blockquote>
|
||||
|
||||
<para>On system A, the 10.0.0.0/8 will comprise the <emphasis role="bold">vpn</emphasis>
|
||||
zone. In /etc/shorewall/interfaces:</para>
|
||||
<note>
|
||||
<para>Some OpenVPN clients (notabley on <trademark>Windows</trademark>)
|
||||
do not use the same source and destination ports which can cause
|
||||
problems. If system B is a Windows system, then you will want the
|
||||
following entry in /etc/shorewall/tunnels instead of the one
|
||||
above:</para>
|
||||
|
||||
<table>
|
||||
<title>etc/shorewall/interfaces system A</title>
|
||||
<programlisting>#TYPE ZONE GATEWAY GATEWAY ZONE
|
||||
generic:udp:5000 net 134.28.54.2</programlisting>
|
||||
</note>
|
||||
|
||||
<tgroup cols="4">
|
||||
<thead>
|
||||
<row>
|
||||
<entry align="center">ZONE</entry>
|
||||
<para>This entry in <filename>/etc/shorewall/tunnels</filename> opens the
|
||||
firewall so that OpenVPN traffic on the default port 5000/udp will be
|
||||
accepted to/from the remote gateway. If you change the port used by
|
||||
OpenVPN to 7777, you can define /etc/shorewall/tunnels like this:</para>
|
||||
|
||||
<entry align="center">INTERFACE</entry>
|
||||
<blockquote>
|
||||
<para> /etc/shorewall/tunnels with port 7777:</para>
|
||||
|
||||
<entry align="center">BROADCAST</entry>
|
||||
|
||||
<entry align="center">OPTIONS</entry>
|
||||
</row>
|
||||
</thead>
|
||||
|
||||
<tbody>
|
||||
<row>
|
||||
<entry>vpn</entry>
|
||||
|
||||
<entry>tun0</entry>
|
||||
|
||||
<entry></entry>
|
||||
|
||||
<entry></entry>
|
||||
</row>
|
||||
</tbody>
|
||||
</tgroup>
|
||||
</table>
|
||||
|
||||
<para>In /etc/shorewall/tunnels on system A, we need the following:</para>
|
||||
|
||||
<table>
|
||||
<title>/etc/shorewall/tunnels system A</title>
|
||||
|
||||
<tgroup cols="4">
|
||||
<thead>
|
||||
<row>
|
||||
<entry align="center">TYPE</entry>
|
||||
|
||||
<entry align="center">ZONE</entry>
|
||||
|
||||
<entry align="center">GATEWAY</entry>
|
||||
|
||||
<entry align="center">GATEWAY ZONE</entry>
|
||||
</row>
|
||||
</thead>
|
||||
|
||||
<tbody>
|
||||
<row>
|
||||
<entry>openvpn</entry>
|
||||
|
||||
<entry>net</entry>
|
||||
|
||||
<entry>134.28.54.2</entry>
|
||||
|
||||
<entry></entry>
|
||||
</row>
|
||||
</tbody>
|
||||
</tgroup>
|
||||
</table>
|
||||
|
||||
<para>This entry in /etc/shorewall/tunnels opens the firewall so that
|
||||
OpenVPN traffic on the default port 5000/udp will be accepted to/from the
|
||||
remote gateway. If you change the port used by OpenVPN to 7777, you can
|
||||
define /etc/shorewall/tunnels like this:</para>
|
||||
|
||||
<table>
|
||||
<title>/etc/shorewall/tunnels port 7777</title>
|
||||
|
||||
<tgroup cols="4">
|
||||
<thead>
|
||||
<row>
|
||||
<entry align="center">TYPE</entry>
|
||||
|
||||
<entry align="center">ZONE</entry>
|
||||
|
||||
<entry align="center">GATEWAY</entry>
|
||||
|
||||
<entry align="center">GATEWAY ZONE</entry>
|
||||
</row>
|
||||
</thead>
|
||||
|
||||
<tbody>
|
||||
<row>
|
||||
<entry>openvpn:7777</entry>
|
||||
|
||||
<entry>net</entry>
|
||||
|
||||
<entry>134.28.54.2</entry>
|
||||
|
||||
<entry></entry>
|
||||
</row>
|
||||
</tbody>
|
||||
</tgroup>
|
||||
</table>
|
||||
<programlisting>#TYPE ZONE GATEWAY GATEWAY ZONE
|
||||
openvpn:77777 net 134.28.54.2</programlisting>
|
||||
</blockquote>
|
||||
|
||||
<para>This is the OpenVPN config on system A:</para>
|
||||
|
||||
<programlisting>dev tun
|
||||
<blockquote>
|
||||
<programlisting>dev tun
|
||||
local 206.162.148.9
|
||||
remote 134.28.54.2
|
||||
ifconfig 192.168.99.1 192.168.99.2
|
||||
@ -210,75 +139,31 @@ cert my-a.crt
|
||||
key my-a.key
|
||||
comp-lzo
|
||||
verb 5</programlisting>
|
||||
</blockquote>
|
||||
|
||||
<para>Similarly, On system B the 192.168.1.0/24 subnet will comprise the
|
||||
<emphasis role="bold">vpn</emphasis> zone. In /etc/shorewall/interfaces:</para>
|
||||
<emphasis role="bold">vpn</emphasis> zone</para>
|
||||
|
||||
<table>
|
||||
<title>/etc/shorewall/interfaces system B</title>
|
||||
<blockquote>
|
||||
<para>In <filename>/etc/shorewall/interfaces</filename> on system
|
||||
B:</para>
|
||||
|
||||
<tgroup cols="4">
|
||||
<thead>
|
||||
<row>
|
||||
<entry align="center">ZONE</entry>
|
||||
<programlisting>#ZONE INTERFACE BROADCAST OPTIONS
|
||||
vpn tun0 192.168.1.255</programlisting>
|
||||
</blockquote>
|
||||
|
||||
<entry align="center">INTERFACE</entry>
|
||||
<para>In <filename>/etc/shorewall/tunnels</filename> on system B, we
|
||||
have:</para>
|
||||
|
||||
<entry align="center">BROADCAST</entry>
|
||||
|
||||
<entry align="center">OPTIONS</entry>
|
||||
</row>
|
||||
</thead>
|
||||
|
||||
<tbody>
|
||||
<row>
|
||||
<entry>vpn</entry>
|
||||
|
||||
<entry>tun0</entry>
|
||||
|
||||
<entry>192.168.1.255</entry>
|
||||
|
||||
<entry></entry>
|
||||
</row>
|
||||
</tbody>
|
||||
</tgroup>
|
||||
</table>
|
||||
|
||||
<para>In /etc/shorewall/tunnels on system B, we have:</para>
|
||||
|
||||
<table>
|
||||
<title>/etc/shorewall/tunnels system B</title>
|
||||
|
||||
<tgroup cols="4">
|
||||
<thead>
|
||||
<row>
|
||||
<entry align="center">TYPE</entry>
|
||||
|
||||
<entry align="center">ZONE</entry>
|
||||
|
||||
<entry align="center">GATEWAY</entry>
|
||||
|
||||
<entry align="center">GATEWAY ZONE</entry>
|
||||
</row>
|
||||
</thead>
|
||||
|
||||
<tbody>
|
||||
<row>
|
||||
<entry>openvpn</entry>
|
||||
|
||||
<entry>net</entry>
|
||||
|
||||
<entry>206.191.148.9</entry>
|
||||
|
||||
<entry></entry>
|
||||
</row>
|
||||
</tbody>
|
||||
</tgroup>
|
||||
</table>
|
||||
<blockquote>
|
||||
<programlisting>#TYPE ZONE GATEWAY GATEWAY ZONE
|
||||
openvpn net 206.191.148.9</programlisting>
|
||||
</blockquote>
|
||||
|
||||
<para>And in the OpenVPN config on system B:</para>
|
||||
|
||||
<programlisting>dev tun
|
||||
<blockquote>
|
||||
<programlisting>dev tun
|
||||
local 134.28.54.2
|
||||
remote 206.162.148.9
|
||||
ifconfig 192.168.99.2 192.168.99.1
|
||||
@ -289,50 +174,20 @@ cert my-b.crt
|
||||
key my-b.key
|
||||
comp-lzo
|
||||
verb 5</programlisting>
|
||||
</blockquote>
|
||||
|
||||
<para>You will need to allow traffic between the <quote>vpn</quote> zone
|
||||
and the <quote>loc</quote> zone on both systems -- if you simply want to
|
||||
admit all traffic in both directions, you can use the policy file:</para>
|
||||
|
||||
<table>
|
||||
<title>/etc/shorewall/policy system A & B</title>
|
||||
<blockquote>
|
||||
<para><filename>/etc/shorewall/policy </filename>on systems A &
|
||||
B</para>
|
||||
|
||||
<tgroup cols="4">
|
||||
<thead>
|
||||
<row>
|
||||
<entry align="center">SOURCE</entry>
|
||||
|
||||
<entry align="center">DEST</entry>
|
||||
|
||||
<entry align="center">POLICY</entry>
|
||||
|
||||
<entry align="center">LOG LEVEL</entry>
|
||||
</row>
|
||||
</thead>
|
||||
|
||||
<tbody>
|
||||
<row>
|
||||
<entry>loc</entry>
|
||||
|
||||
<entry>vpn</entry>
|
||||
|
||||
<entry>ACCEPT</entry>
|
||||
|
||||
<entry></entry>
|
||||
</row>
|
||||
|
||||
<row>
|
||||
<entry>vpn</entry>
|
||||
|
||||
<entry>loc</entry>
|
||||
|
||||
<entry>ACCEPT</entry>
|
||||
|
||||
<entry></entry>
|
||||
</row>
|
||||
</tbody>
|
||||
</tgroup>
|
||||
</table>
|
||||
<programlisting>#SOURCE DEST POLICY LOG LEVEL
|
||||
loc vpn ACCEPT
|
||||
vpn loc ACCEPT</programlisting>
|
||||
</blockquote>
|
||||
|
||||
<para>On both systems, restart Shorewall and start OpenVPN. The systems in
|
||||
the two masqueraded subnetworks can now talk to each other.</para>
|
||||
|
@ -15,7 +15,7 @@
|
||||
</author>
|
||||
</authorgroup>
|
||||
|
||||
<pubdate>2004-02-04</pubdate>
|
||||
<pubdate>2004-09-16</pubdate>
|
||||
|
||||
<copyright>
|
||||
<year>2003-2004</year>
|
||||
@ -29,7 +29,8 @@
|
||||
1.2 or any later version published by the Free Software Foundation; with
|
||||
no Invariant Sections, with no Front-Cover, and with no Back-Cover
|
||||
Texts. A copy of the license is included in the section entitled
|
||||
<quote><ulink url="GnuCopyright.htm">GNU Free Documentation License</ulink></quote>.</para>
|
||||
<quote><ulink url="GnuCopyright.htm">GNU Free Documentation
|
||||
License</ulink></quote>.</para>
|
||||
</legalnotice>
|
||||
</articleinfo>
|
||||
|
||||
@ -41,9 +42,8 @@
|
||||
KazaaLite, iMash and Grokster.</para>
|
||||
|
||||
<para>To filter traffic from your <quote>loc</quote> zone with ftwall, you
|
||||
insert the following rules <emphasis role="bold">near the top</emphasis> of
|
||||
your /etc/shorewall/rules file (before any ACCEPT rules whose source is the
|
||||
<quote>loc</quote> zone).</para>
|
||||
insert the following rules in /etc/shorewall/rules file after any DROP or
|
||||
REJECT rules whose source is the <quote>loc</quote> zone.</para>
|
||||
|
||||
<programlisting> #ACTION SOURCE DEST PROTO
|
||||
QUEUE loc net tcp
|
||||
@ -54,8 +54,9 @@
|
||||
and restart Shorewall.</para>
|
||||
|
||||
<tip>
|
||||
<para>There are ftwall init scripts for use with <trademark>SuSE</trademark>
|
||||
and <trademark>Debian</trademark> Linux at <ulink
|
||||
<para>There are ftwall init scripts for use with
|
||||
<trademark>SuSE</trademark> and <trademark>Debian</trademark> Linux at
|
||||
<ulink
|
||||
url="http://shorewall.net/pub/shorewall/contrib/ftwall">http://shorewall.net/pub/shorewall/contrib/ftwall</ulink>.</para>
|
||||
</tip>
|
||||
</article>
|
119
Shorewall-docs2/SimpleBridge.xml
Normal file
119
Shorewall-docs2/SimpleBridge.xml
Normal file
@ -0,0 +1,119 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
|
||||
"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
|
||||
<article>
|
||||
<!--$Id$-->
|
||||
|
||||
<articleinfo>
|
||||
<title>Shorewall and a Simple Bridge</title>
|
||||
|
||||
<authorgroup>
|
||||
<author>
|
||||
<firstname>Tom</firstname>
|
||||
|
||||
<surname>Eastep</surname>
|
||||
</author>
|
||||
</authorgroup>
|
||||
|
||||
<pubdate>2004-09-23</pubdate>
|
||||
|
||||
<copyright>
|
||||
<year>2004</year>
|
||||
|
||||
<holder>Thomas M. Eastep</holder>
|
||||
</copyright>
|
||||
|
||||
<legalnotice>
|
||||
<para>Permission is granted to copy, distribute and/or modify this
|
||||
document under the terms of the GNU Free Documentation License, Version
|
||||
1.2 or any later version published by the Free Software Foundation; with
|
||||
no Invariant Sections, with no Front-Cover, and with no Back-Cover
|
||||
Texts. A copy of the license is included in the section entitled
|
||||
<quote><ulink url="GnuCopyright.htm">GNU Free Documentation
|
||||
License</ulink></quote>.</para>
|
||||
</legalnotice>
|
||||
</articleinfo>
|
||||
|
||||
<section>
|
||||
<title>Background</title>
|
||||
|
||||
<para>Systems where Shorewall runs normally function as
|
||||
<firstterm>routers</firstterm>. In the context of the Open System
|
||||
Interconnect (OSI) reference model, a router operates at layer 3.
|
||||
Shorewall may also be deployed on a GNU Linux System that acts as a
|
||||
<firstterm>bridge</firstterm>. Bridges are layer-2 devices in the OSI
|
||||
model (think of a bridge as an ethernet switch).</para>
|
||||
|
||||
<para>Some differences between routers and bridges are:</para>
|
||||
|
||||
<orderedlist>
|
||||
<listitem>
|
||||
<para>Routers determine packet destination based on the destination IP
|
||||
address while bridges route traffic based on the destination MAC
|
||||
address in the ethernet frame.</para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para>As a consequence of the first difference, routers can be
|
||||
connected to more than one IP network while a bridge may be part of
|
||||
only a single network.</para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para>A router cannot forward broadcast packets while a bridge
|
||||
can.</para>
|
||||
</listitem>
|
||||
</orderedlist>
|
||||
</section>
|
||||
|
||||
<section>
|
||||
<title>Application</title>
|
||||
|
||||
<para>There are cases where you want to create a bridge to join two or
|
||||
more LAN segments and you don't need to restrict the traffic between those
|
||||
segments. This is the environment that is described in this article.
|
||||
</para>
|
||||
|
||||
<para>If you do need to restrict traffic through the bridge, please refer
|
||||
to the <ulink url="bridge.html">Shorewall Bridge/Firewall
|
||||
documentation</ulink>. Also please refer to that documentation for
|
||||
information about how to create a bridge.</para>
|
||||
|
||||
<para>The following diagram shows a firewall for two bridged LAN
|
||||
segments.</para>
|
||||
|
||||
<graphic align="center" fileref="images/SimpleBridge.png" valign="middle" />
|
||||
|
||||
<para>This is fundimentally the Two-interface Firewall described in the
|
||||
<ulink url="two-interface.htm">Two-interface Quickstart Guide</ulink>. The
|
||||
bridge-specific changes are restricted to the
|
||||
<filename>/etc/shorewall/interfaces</filename> file.</para>
|
||||
|
||||
<para><filename>/etc/shorewall/interfaces</filename>:</para>
|
||||
|
||||
<programlisting>#ZONE INTERFACE BROADCAST OPTIONS
|
||||
net eth0 detect ...
|
||||
loc <emphasis role="bold">br0</emphasis> 10.0.1.255 <emphasis
|
||||
role="bold">routeback</emphasis>,...</programlisting>
|
||||
|
||||
<para>So the key points here are:</para>
|
||||
|
||||
<itemizedlist>
|
||||
<listitem>
|
||||
<para>The <emphasis role="bold">loc</emphasis> interface is <filename
|
||||
class="devicefile">br0</filename>.</para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para>Neither <filename class="devicefile">eth1</filename> nor
|
||||
<filename class="devicefile">eth2</filename> have IP addresses and
|
||||
neither are mentioned in the Shorewall configuration.</para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para>The <emphasis role="bold">routeback</emphasis> option is
|
||||
specified for <filename class="devicefile">br0</filename>.</para>
|
||||
</listitem>
|
||||
</itemizedlist>
|
||||
</section>
|
||||
</article>
|
@ -15,7 +15,7 @@
|
||||
</author>
|
||||
</authorgroup>
|
||||
|
||||
<pubdate>2004-09-10</pubdate>
|
||||
<pubdate>2004-09-23</pubdate>
|
||||
|
||||
<copyright>
|
||||
<year>2004</year>
|
||||
@ -70,7 +70,7 @@
|
||||
<section>
|
||||
<title>Requirements</title>
|
||||
|
||||
<para>In order to use Shorewall with a bridging firewall:</para>
|
||||
<para>In order to use Shorewall as a bridging firewall:</para>
|
||||
|
||||
<itemizedlist>
|
||||
<listitem>
|
||||
@ -103,6 +103,11 @@
|
||||
<para>You must be running Shorewall 2.0.1 Beta 1 or later.</para>
|
||||
</listitem>
|
||||
</itemizedlist>
|
||||
|
||||
<para>Note that if you need a bridge but do not need to restrict the
|
||||
traffic through the bridge then any version of Shorewall will work. See
|
||||
the <ulink url="SimpleBridge.html">Simple Bridge documentation</ulink> for
|
||||
details.</para>
|
||||
</section>
|
||||
|
||||
<section>
|
||||
|
BIN
Shorewall-docs2/images/SimpleBridge.dia
Normal file
BIN
Shorewall-docs2/images/SimpleBridge.dia
Normal file
Binary file not shown.
BIN
Shorewall-docs2/images/SimpleBridge.png
Normal file
BIN
Shorewall-docs2/images/SimpleBridge.png
Normal file
Binary file not shown.
@ -15,7 +15,7 @@
|
||||
</author>
|
||||
</authorgroup>
|
||||
|
||||
<pubdate>2004-09-06</pubdate>
|
||||
<pubdate>2004-09-07</pubdate>
|
||||
|
||||
<copyright>
|
||||
<year>2001-2004</year>
|
||||
@ -78,11 +78,11 @@
|
||||
|
||||
<listitem>
|
||||
<para>I use SNAT through 206.124.146.179 for my Wife's Windows XP
|
||||
system <quote>Tarry</quote>, and our dual-booting (Windows
|
||||
XP/SuSE 9.1) laptop <quote>Tipper</quote> which connects through the
|
||||
Wireless Access Point (wap) via a Wireless Bridge (wet).<note>
|
||||
system <quote>Tarry</quote>, and our dual-booting (SuSE
|
||||
9.1/Windows XP) laptop <quote>Tipper</quote> which connects through
|
||||
the Wireless Access Point (wap) via a Wireless Bridge (wet).<note>
|
||||
<para>While the distance between the WAP and where I usually use
|
||||
the laptop isn't very far (25 feet or so), using a WAC11 (CardBus
|
||||
the laptop isn't very far (50 feet or so), using a WAC11 (CardBus
|
||||
wireless card) has proved very unsatisfactory (lots of lost
|
||||
connections). By replacing the WAC11 with the WET11 wireless
|
||||
bridge, I have virtually eliminated these problems (Being an old
|
||||
@ -148,7 +148,8 @@
|
||||
|
||||
<para>Tarry (192.168.1.4) runs a PPTP server for Road Warrior access from
|
||||
my work laptop and the Firewall is configured with IPSEC for tunnel mode
|
||||
road warrior access from Tipper.</para>
|
||||
access from our second home in <ulink
|
||||
url="http://www.omakchamber.com/">Omak, Washington</ulink>.</para>
|
||||
|
||||
<para><graphic align="center" fileref="images/network.png" /></para>
|
||||
</section>
|
||||
@ -397,7 +398,7 @@ $EXT_IF:2 eth2 206.124.146.179
|
||||
</section>
|
||||
|
||||
<section>
|
||||
<title>Tunnels File (Shell variable TEXAS set in
|
||||
<title>Tunnels File (Shell variables TEXAS and OMAK set in
|
||||
/etc/shorewall/params)</title>
|
||||
|
||||
<blockquote>
|
||||
@ -653,6 +654,10 @@ ACCEPT tx loc:192.168.1.5 all
|
||||
<title>zones</title>
|
||||
|
||||
<blockquote>
|
||||
<para>Because <emphasis role="bold">loc</emphasis> is a sub-zone of
|
||||
<emphasis role="bold">net</emphasis>, <emphasis
|
||||
role="bold">loc</emphasis> must be defined first.</para>
|
||||
|
||||
<programlisting>#ZONE DISPLAY COMMENTS
|
||||
loc Local Local networks
|
||||
net Internet The Big Bad Internet
|
||||
@ -688,7 +693,7 @@ all all REJECT info
|
||||
|
||||
<blockquote>
|
||||
<programlisting>#ZONE INTERFACE BROADCAST OPTIONS
|
||||
- br0 192.168.1.255 dhcp
|
||||
- br0 192.168.1.255 dhcp
|
||||
#LAST LINE -- ADD YOUR ENTRIES BEFORE THIS ONE -- DO NOT REMOVE</programlisting>
|
||||
</blockquote>
|
||||
</section>
|
||||
@ -754,11 +759,13 @@ br0:eth0 00:0b:c1:53:cc:97 192.168.1.8 #TIPPER
|
||||
<blockquote>
|
||||
<para>This file is SuSE-specific and creates the bridge device
|
||||
<filename class="devicefile">br0</filename>. A script for other
|
||||
disbributions would be similar.</para>
|
||||
distributions would be similar (see the <ulink
|
||||
url="bridge.html">Shorewall Bridge documentation</ulink> for
|
||||
examples).</para>
|
||||
|
||||
<programlisting>#!/bin/sh
|
||||
################################################################################
|
||||
# Script to create a bridge between eth0, eth1 and eth2
|
||||
# Script to create a bridge
|
||||
#
|
||||
# This program is under GPL [http://www.gnu.org/copyleft/gpl.htm]
|
||||
#
|
||||
@ -766,6 +773,15 @@ br0:eth0 00:0b:c1:53:cc:97 192.168.1.8 #TIPPER
|
||||
#
|
||||
# Modify the following variables to match your configuration
|
||||
#
|
||||
#### BEGIN INIT INFO
|
||||
# Provides: bridge
|
||||
# Required-Start: coldplug
|
||||
# Required-Stop:
|
||||
# Default-Start: 2 3 5
|
||||
# Default-Stop: 0 1 6
|
||||
# Description: starts and stops a bridge
|
||||
### END INIT INFO
|
||||
#
|
||||
# chkconfig: 2345 05 89
|
||||
# description: Layer 2 Bridge
|
||||
#
|
||||
@ -773,21 +789,29 @@ br0:eth0 00:0b:c1:53:cc:97 192.168.1.8 #TIPPER
|
||||
|
||||
PATH=$PATH:/sbin:/usr/sbin:/usr/local/sbin
|
||||
|
||||
INTERFACES="eth0 eth1"
|
||||
BRIDGE="br0"
|
||||
|
||||
do_stop() {
|
||||
echo "Stopping Bridge"
|
||||
brctl delbr br0
|
||||
ip link set eth0 down
|
||||
ip link set eth1 down
|
||||
echo "Stopping Bridge $BRIDGE"
|
||||
brctl delbr $BRIDGE
|
||||
for interface in $INTERFACES; do
|
||||
ip link set $interface down
|
||||
done
|
||||
}
|
||||
|
||||
do_start() {
|
||||
|
||||
echo "Starting Bridge"
|
||||
ip link set eth0 up
|
||||
ip link set eth1 up
|
||||
brctl addbr br0
|
||||
brctl addif br0 eth0
|
||||
brctl addif br0 eth1
|
||||
echo "Starting Bridge $BRIDGE"
|
||||
for interface in $INTERFACES; do
|
||||
ip link set $interface up
|
||||
done
|
||||
|
||||
brctl addbr $BRIDGE
|
||||
|
||||
for interface in $INTERFACES; do
|
||||
brctl addif $BRIDGE $interface
|
||||
done
|
||||
}
|
||||
|
||||
case "$1" in
|
||||
@ -816,11 +840,7 @@ exit 0</programlisting>
|
||||
<blockquote>
|
||||
<para>This file is SuSE-specific</para>
|
||||
|
||||
<programlisting>BOOTPROTO='static'
|
||||
BROADCAST='192.168.1.255'
|
||||
IPADDR='192.168.1.5'
|
||||
NETWORK='192.168.1.0'
|
||||
NETMASK='255.255.255.0'
|
||||
<programlisting>BOOTPROTO='dhcp'
|
||||
REMOTE_IPADDR=''
|
||||
STARTMODE='onboot'
|
||||
UNIQUE='3hqH.MjuOqWfSZ+C'
|
||||
@ -835,8 +855,9 @@ MTU=''</programlisting>
|
||||
<blockquote>
|
||||
<para>This file is SuSE-specific</para>
|
||||
|
||||
<programlisting>192.168.1.0 - 255.255.255.0 br0
|
||||
default 192.168.1.254 - -</programlisting>
|
||||
<programlisting>192.168.1.0/24 dev br0 proto kernel scope link src 192.168.1.5
|
||||
127.0.0.0/8 dev lo scope link
|
||||
default via 192.168.1.254 dev br0</programlisting>
|
||||
</blockquote>
|
||||
</section>
|
||||
</section>
|
||||
|
@ -13,7 +13,7 @@
|
||||
</author>
|
||||
</authorgroup>
|
||||
|
||||
<pubdate>2004-07-31</pubdate>
|
||||
<pubdate>2004-09-21</pubdate>
|
||||
|
||||
<copyright>
|
||||
<year>2001-2002</year>
|
||||
@ -29,7 +29,8 @@
|
||||
1.2 or any later version published by the Free Software Foundation; with
|
||||
no Invariant Sections, with no Front-Cover, and with no Back-Cover
|
||||
Texts. A copy of the license is included in the section entitled
|
||||
<quote><ulink url="GnuCopyright.htm">GNU Free Documentation License</ulink></quote>.</para>
|
||||
<quote><ulink url="GnuCopyright.htm">GNU Free Documentation
|
||||
License</ulink></quote>.</para>
|
||||
</legalnotice>
|
||||
|
||||
<abstract>
|
||||
@ -50,8 +51,8 @@
|
||||
<filename>/usr/share/shorewall/actions.std</filename> file for a list of
|
||||
the actions in your distribution. If you find what you need, you simply
|
||||
use the action in a rule. For example, to allow DNS queries from the
|
||||
<emphasis role="bold">dmz</emphasis> zone to the <emphasis role="bold">net</emphasis>
|
||||
zone:</para>
|
||||
<emphasis role="bold">dmz</emphasis> zone to the <emphasis
|
||||
role="bold">net</emphasis> zone:</para>
|
||||
|
||||
<programlisting>#ACTION SOURCE DESTINATION
|
||||
AllowDNS dmz net</programlisting>
|
||||
@ -67,7 +68,7 @@ AllowDNS dmz net</programlisting>
|
||||
at 192.168.1.4 in your DMZ. The FTP section below gives you:</para>
|
||||
|
||||
<programlisting>#ACTION SOURCE DESTINATION PROTO DEST PORT(S)
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 21</programlisting>
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 21</programlisting>
|
||||
|
||||
<para>You would code your rule as follows:</para>
|
||||
|
||||
@ -80,23 +81,23 @@ DNAT net dmz:192.168.1.4 tcp 21</programlisting>
|
||||
<title>Auth (identd)</title>
|
||||
|
||||
<programlisting>#ACTION SOURCE DESTINATION PROTO DEST PORT(S)
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 113</programlisting>
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 113</programlisting>
|
||||
</section>
|
||||
|
||||
<section>
|
||||
<title>DNS</title>
|
||||
|
||||
<programlisting>#ACTION SOURCE DESTINATION PROTO DEST PORT(S)
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> udp 53
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 53</programlisting>
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> udp 53
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 53</programlisting>
|
||||
|
||||
<para>Note that if you are setting up a DNS server that supports recursive
|
||||
resolution, the server is the <<emphasis>destination</emphasis>>
|
||||
for resolution requests (from clients) and is also the <<emphasis>source</emphasis>>
|
||||
of recursive resolution requests (usually to other servers in the
|
||||
'net' zone). So for example, if you have a public DNS server in
|
||||
your DMZ that supports recursive resolution for local clients then you
|
||||
would need:</para>
|
||||
resolution, the server is the <<emphasis>destination</emphasis>> for
|
||||
resolution requests (from clients) and is also the
|
||||
<<emphasis>source</emphasis>> of recursive resolution requests
|
||||
(usually to other servers in the 'net' zone). So for example, if you have
|
||||
a public DNS server in your DMZ that supports recursive resolution for
|
||||
local clients then you would need:</para>
|
||||
|
||||
<programlisting>#ACTION SOURCE DESTINATION PROTO DEST PORT(S)
|
||||
ACCEPT all dmz udp 53
|
||||
@ -105,9 +106,9 @@ ACCEPT dmz net udp 53
|
||||
ACCEPT dmz net tcp 53</programlisting>
|
||||
|
||||
<note>
|
||||
<para>Recursive Resolution means that if the server itself can't
|
||||
resolve the name presented to it, the server will attempt to resolve the
|
||||
name with the help of other servers.</para>
|
||||
<para>Recursive Resolution means that if the server itself can't resolve
|
||||
the name presented to it, the server will attempt to resolve the name
|
||||
with the help of other servers.</para>
|
||||
</note>
|
||||
</section>
|
||||
|
||||
@ -115,36 +116,37 @@ ACCEPT dmz net tcp 53</programlisting>
|
||||
<title>FTP</title>
|
||||
|
||||
<programlisting>#ACTION SOURCE DESTINATION PROTO DEST PORT(S)
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 21</programlisting>
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 21</programlisting>
|
||||
|
||||
<para>Look <ulink url="FTP.html">here</ulink> for much more information.</para>
|
||||
<para>Look <ulink url="FTP.html">here</ulink> for much more
|
||||
information.</para>
|
||||
</section>
|
||||
|
||||
<section>
|
||||
<title>ICQ/AIM</title>
|
||||
|
||||
<programlisting>#ACTION SOURCE DESTINATION PROTO DEST PORT(S)
|
||||
ACCEPT <emphasis><source></emphasis> net tcp 5190</programlisting>
|
||||
ACCEPT <emphasis><source></emphasis> net tcp 5190</programlisting>
|
||||
</section>
|
||||
|
||||
<section>
|
||||
<title>IMAP</title>
|
||||
|
||||
<programlisting>#ACTION SOURCE DESTINATION PROTO DEST PORT(S)
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 143 #Unsecure IMAP
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 993 #Secure IMAP</programlisting>
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 143 #Unsecure IMAP
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 993 #Secure IMAP</programlisting>
|
||||
</section>
|
||||
|
||||
<section>
|
||||
<title>IPSEC</title>
|
||||
|
||||
<programlisting>#ACTION SOURCE DESTINATION PROTO DEST PORT(S)
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis> <destination></emphasis> 50
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis> <destination></emphasis> 51
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis> <destination></emphasis> udp 500
|
||||
ACCEPT <emphasis><destination></emphasis> <emphasis><source></emphasis> 50
|
||||
ACCEPT <emphasis><destination></emphasis> <emphasis><source></emphasis> 51
|
||||
ACCEPT <emphasis><destination></emphasis> <emphasis><source></emphasis> udp 500</programlisting>
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis> <destination></emphasis> 50
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis> <destination></emphasis> 51
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis> <destination></emphasis> udp 500
|
||||
ACCEPT <emphasis><destination></emphasis> <emphasis><source></emphasis> 50
|
||||
ACCEPT <emphasis><destination></emphasis> <emphasis><source></emphasis> 51
|
||||
ACCEPT <emphasis><destination></emphasis> <emphasis><source></emphasis> udp 500</programlisting>
|
||||
|
||||
<para>Lots more information <ulink url="IPSEC.htm">here</ulink> and <ulink
|
||||
url="VPN.htm">here</ulink>.</para>
|
||||
@ -154,23 +156,23 @@ ACCEPT <emphasis><destination></emphasis> <emphasis><source>
|
||||
<title>NFS</title>
|
||||
|
||||
<programlisting>#ACTION SOURCE DESTINATION PROTO DEST PORT(S)
|
||||
ACCEPT <emphasis><z1></emphasis>:<list of client IPs> <emphasis> <z2></emphasis>:a.b.c.d tcp 111
|
||||
ACCEPT <emphasis><z1></emphasis>:<list of client IPs> <emphasis> <z2></emphasis>:a.b.c.d udp</programlisting>
|
||||
ACCEPT <emphasis><z1></emphasis>:<list of client IPs> <emphasis> <z2></emphasis>:a.b.c.d tcp 111
|
||||
ACCEPT <emphasis><z1></emphasis>:<list of client IPs> <emphasis> <z2></emphasis>:a.b.c.d udp</programlisting>
|
||||
</section>
|
||||
|
||||
<section>
|
||||
<title>NTP (Network Time Protocol)</title>
|
||||
|
||||
<programlisting>#ACTION SOURCE DESTINATION PROTO DEST PORT(S)
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> udp 123</programlisting>
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> udp 123</programlisting>
|
||||
</section>
|
||||
|
||||
<section>
|
||||
<title><trademark>PCAnywhere</trademark></title>
|
||||
|
||||
<programlisting>#ACTION SOURCE DESTINATION PROTO DEST PORT(S)
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> udp 5632
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 5631</programlisting>
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> udp 5632
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 5631</programlisting>
|
||||
</section>
|
||||
|
||||
<section>
|
||||
@ -179,16 +181,16 @@ ACCEPT <emphasis><source></emphasis> <emphasis><destination>
|
||||
<para>TCP Port 110 (Secure Pop3 is TCP Port 995)</para>
|
||||
|
||||
<programlisting>#ACTION SOURCE DESTINATION PROTO DEST PORT(S)
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 110 #Unsecure Pop3
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 995 #Secure Pop3</programlisting>
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 110 #Unsecure Pop3
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 995 #Secure Pop3</programlisting>
|
||||
</section>
|
||||
|
||||
<section>
|
||||
<title>PPTP</title>
|
||||
|
||||
<programlisting>#ACTION SOURCE DESTINATION PROTO DEST PORT(S)
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> 47
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 1723</programlisting>
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> 47
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 1723</programlisting>
|
||||
|
||||
<para>Lots more information <ulink url="PPTP.htm">here</ulink> and <ulink
|
||||
url="VPN.htm">here</ulink>.</para>
|
||||
@ -198,24 +200,24 @@ ACCEPT <emphasis><source></emphasis> <emphasis><destination>
|
||||
<title>rdate</title>
|
||||
|
||||
<programlisting>#ACTION SOURCE DESTINATION PROTO DEST PORT(S)
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 37</programlisting>
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 37</programlisting>
|
||||
</section>
|
||||
|
||||
<section>
|
||||
<title>SSH</title>
|
||||
|
||||
<programlisting>#ACTION SOURCE DESTINATION PROTO DEST PORT(S)
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 22</programlisting>
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 22</programlisting>
|
||||
</section>
|
||||
|
||||
<section>
|
||||
<title>SMB/NMB (Samba/Windows Browsing/File Sharing)</title>
|
||||
|
||||
<programlisting>#ACTION SOURCE DESTINATION PROTO DEST PORT(S)
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis> <destination></emphasis> tcp 137,139,445
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis> <destination></emphasis> udp 137:139
|
||||
ACCEPT <emphasis><destination></emphasis> <emphasis><source></emphasis> tcp 137,139,445
|
||||
ACCEPT <emphasis><destination></emphasis> <emphasis><source></emphasis> udp 137:139</programlisting>
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis> <destination></emphasis> tcp 137,139,445
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis> <destination></emphasis> udp 137:139
|
||||
ACCEPT <emphasis><destination></emphasis> <emphasis><source></emphasis> tcp 137,139,445
|
||||
ACCEPT <emphasis><destination></emphasis> <emphasis><source></emphasis> udp 137:139</programlisting>
|
||||
|
||||
<para>Also, see <ulink url="samba.htm">this page</ulink>.</para>
|
||||
</section>
|
||||
@ -224,57 +226,67 @@ ACCEPT <emphasis><destination></emphasis> <emphasis><source>
|
||||
<title>SMTP</title>
|
||||
|
||||
<programlisting>#ACTION SOURCE DESTINATION PROTO DEST PORT(S)
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 25 #Insecure SMTP
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 465 #SMTP over SSL (TLS)</programlisting>
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 25 #Insecure SMTP
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 465 #SMTP over SSL (TLS)</programlisting>
|
||||
</section>
|
||||
|
||||
<section>
|
||||
<title>SNMP</title>
|
||||
|
||||
<programlisting>#ACTION SOURCE DESTINATION PROTO DEST PORT(S)
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> udp 161:162
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 161</programlisting>
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> udp 161:162
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 161</programlisting>
|
||||
</section>
|
||||
|
||||
<section>
|
||||
<title>Telnet</title>
|
||||
|
||||
<programlisting>#ACTION SOURCE DESTINATION PROTO DEST PORT(S)
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 23</programlisting>
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 23</programlisting>
|
||||
</section>
|
||||
|
||||
<section>
|
||||
<title>TFTP</title>
|
||||
|
||||
<para>You must have TFTP connection tracking support in your kernel. If
|
||||
modularized, the modules are <emphasis role="bold">ip_conntrack_tftp</emphasis>
|
||||
(and <emphasis role="bold">ip_nat_tftp</emphasis> if any form of NAT is
|
||||
involved) These modules may be loaded using entries in
|
||||
<filename>/etc/shorewall/modules</filename>. The <emphasis role="bold">ip_conntrack_tftp</emphasis>
|
||||
module must be loaded first. Note that the <filename>/etc/shorewall/modules</filename>
|
||||
file released with recent Shorewall versions contains entries for these
|
||||
modules.</para>
|
||||
modularized, the modules are <emphasis
|
||||
role="bold">ip_conntrack_tftp</emphasis> (and <emphasis
|
||||
role="bold">ip_nat_tftp</emphasis> if any form of NAT is involved) These
|
||||
modules may be loaded using entries in
|
||||
<filename>/etc/shorewall/modules</filename>. The <emphasis
|
||||
role="bold">ip_conntrack_tftp</emphasis> module must be loaded first. Note
|
||||
that the <filename>/etc/shorewall/modules</filename> file released with
|
||||
recent Shorewall versions contains entries for these modules.</para>
|
||||
|
||||
<programlisting>#ACTION SOURCE DESTINATION PROTO DEST PORT(S)
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> udp 69</programlisting>
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> udp 69</programlisting>
|
||||
</section>
|
||||
|
||||
<section>
|
||||
<title>Traceroute</title>
|
||||
|
||||
<programlisting>#ACTION SOURCE DESTINATION PROTO DEST PORT(S)
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> udp 33434:33443 #Good for 10 hops
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> icmp 8</programlisting>
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> udp 33434:33443 #Good for 10 hops
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> icmp 8</programlisting>
|
||||
|
||||
<para>UDP traceroute uses ports 33434 through 33434+<max number of
|
||||
hops>-1</para>
|
||||
<para>UDP traceroute uses ports 33434 through 33434+<max number of
|
||||
hops>-1. Note that for the firewall to respond with a TTL expired ICMP
|
||||
reply, you will need to allow ICMP 11 outbound from the firewall. The
|
||||
standard Shorewall sample configurations all set this up for you
|
||||
automatically since those sample configurations enable all ICMP packet
|
||||
types originating on the firewall itself.</para>
|
||||
|
||||
<programlisting>#ACTION SOURCE DESTINATION PROTO DEST PORT(S)
|
||||
ACCEPT fw net icmp
|
||||
ACCEPT fw loc icmp
|
||||
ACCEPT fw ...</programlisting>
|
||||
</section>
|
||||
|
||||
<section>
|
||||
<title>Usenet (NNTP)</title>
|
||||
|
||||
<programlisting>#ACTION SOURCE DESTINATION PROTO DEST PORT(S)
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 119</programlisting>
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 119</programlisting>
|
||||
|
||||
<para>TCP Port 119</para>
|
||||
</section>
|
||||
@ -282,43 +294,60 @@ ACCEPT <emphasis><source></emphasis> <emphasis><destination>
|
||||
<section>
|
||||
<title>VNC</title>
|
||||
|
||||
<para>Vncviewer to Vncserver -- TCP port 5900 + <display number>.</para>
|
||||
<para>Vncviewer to Vncserver -- TCP port 5900 + <display
|
||||
number>.</para>
|
||||
|
||||
<para>Vncviewer to Vncserver -- TCP port 5900 + <display
|
||||
number>.</para>
|
||||
|
||||
<programlisting>#ACTION SOURCE DESTINATION PROTO DEST PORT(S)
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 5901 #Display Number 1
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 5902 #Display Number 2
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 5901 #Display Number 1
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 5902 #Display Number 2
|
||||
...</programlisting>
|
||||
|
||||
<para>Vncserver to Vncviewer in listen mode -- TCP port 5500.</para>
|
||||
|
||||
<programlisting>#ACTION SOURCE DESTINATION PROTO DEST PORT(S)
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 5500</programlisting>
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 5500</programlisting>
|
||||
</section>
|
||||
|
||||
<section>
|
||||
<title><trademark>Vonage</trademark></title>
|
||||
|
||||
<para>The standard Shorewall loc->net ACCEPT policy is all that is
|
||||
required for <trademark>Vonage</trademark> IP phone service to work,
|
||||
provided that you have loaded the tftp helper modules (add the following
|
||||
entries to /etc/shorewall/modules if they are not there already):</para>
|
||||
|
||||
<programlisting> loadmodule ip_conntrack_tftp
|
||||
loadmodule ip_nat_tftp</programlisting>
|
||||
</section>
|
||||
|
||||
<section>
|
||||
<title>Web Access</title>
|
||||
|
||||
<programlisting>#ACTION SOURCE DESTINATION PROTO DEST PORT(S)
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 80 #Insecure HTTP
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 443 #Secure HTTP</programlisting>
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 80 #Insecure HTTP
|
||||
ACCEPT <emphasis><source></emphasis> <emphasis><destination></emphasis> tcp 443 #Secure HTTP</programlisting>
|
||||
</section>
|
||||
|
||||
<section>
|
||||
<title>X/XDMCP</title>
|
||||
|
||||
<para>Assume that the Choser and/or X Server are running at <<emphasis>chooser</emphasis>>
|
||||
and the Display Manager/X applications are running at <<emphasis>apps</emphasis>>.</para>
|
||||
<para>Assume that the Choser and/or X Server are running at
|
||||
<<emphasis>chooser</emphasis>> and the Display Manager/X
|
||||
applications are running at <<emphasis>apps</emphasis>>.</para>
|
||||
|
||||
<programlisting>#ACTION SOURCE DESTINATION PROTO DEST PORT(S)
|
||||
ACCEPT <<emphasis>chooser</emphasis>> <<emphasis>apps</emphasis>> udp 177 #XDMCP
|
||||
ACCEPT <<emphasis>apps</emphasis>> <<emphasis>chooser</emphasis>> tcp 6000:6009 #X Displays 0-9</programlisting>
|
||||
ACCEPT <<emphasis>chooser</emphasis>> <<emphasis>apps</emphasis>> udp 177 #XDMCP
|
||||
ACCEPT <<emphasis>apps</emphasis>> <<emphasis>chooser</emphasis>> tcp 6000:6009 #X Displays 0-9</programlisting>
|
||||
</section>
|
||||
|
||||
<section>
|
||||
<title>Other Source of Port Information</title>
|
||||
|
||||
<para>Didn't find what you are looking for -- have you looked in your
|
||||
own /etc/services file?</para>
|
||||
<para>Didn't find what you are looking for -- have you looked in your own
|
||||
/etc/services file?</para>
|
||||
|
||||
<para>Still looking? Try <ulink
|
||||
url="http://www.networkice.com/advice/Exploits/Ports">http://www.networkice.com/advice/Exploits/Ports</ulink></para>
|
||||
@ -327,16 +356,138 @@ ACCEPT <<emphasis>apps</emphasis>> <<emphasis>chooser</emphas
|
||||
<appendix>
|
||||
<title>Revision History</title>
|
||||
|
||||
<para><revhistory><revision><revnumber>1.11</revnumber><date>2004-05-28</date><authorinitials>TE</authorinitials><revremark>Corrected
|
||||
directory for actions.std and enhanced the DNS section.</revremark></revision><revision><revnumber>1.10</revnumber><date>2004-05-09</date><authorinitials>TE</authorinitials><revremark>Added
|
||||
TFTP.</revremark></revision><revision><revnumber>1.9</revnumber><date>2004-04-24</date><authorinitials>TE</authorinitials><revremark>Revised
|
||||
ICQ/AIM.</revremark></revision><revision><revnumber>1.8</revnumber><date>2004-04-23</date><authorinitials>TE</authorinitials><revremark>Added
|
||||
SNMP.</revremark></revision><revision><revnumber>1.7</revnumber><date>2004-02-18</date><authorinitials>TE</authorinitials><revremark>Make
|
||||
NFS work for everyone.</revremark></revision><revision><revnumber>1.6</revnumber><date>2004-02-14</date><authorinitials>TE</authorinitials><revremark>Add
|
||||
PCAnywhere.</revremark></revision><revision><revnumber>1.5</revnumber><date>2004-02-05</date><authorinitials>TE</authorinitials><revremark>Added
|
||||
information about VNC viewers in listen mode.</revremark></revision><revision><revnumber>1.4</revnumber><date>2004-01-26</date><authorinitials>TE</authorinitials><revremark>Correct
|
||||
ICQ.</revremark></revision><revision><revnumber>1.3</revnumber><date>2004-01-04</date><authorinitials>TE</authorinitials><revremark>Alphabetize</revremark></revision><revision><revnumber>1.2</revnumber><date>2004-01-03</date><authorinitials>TE</authorinitials><revremark>Add
|
||||
rules file entries.</revremark></revision><revision><revnumber>1.1</revnumber><date>2002-07-30</date><authorinitials>TE</authorinitials><revremark>Initial
|
||||
version converted to Docbook XML</revremark></revision></revhistory></para>
|
||||
<para><revhistory>
|
||||
<revision>
|
||||
<revnumber>1.13</revnumber>
|
||||
|
||||
<date>2004-09-21</date>
|
||||
|
||||
<authorinitials>TE</authorinitials>
|
||||
|
||||
<revremark>Add note about ICMP type 11 to Traceroute.</revremark>
|
||||
</revision>
|
||||
|
||||
<revision>
|
||||
<revnumber>1.12</revnumber>
|
||||
|
||||
<date>2004-09-09</date>
|
||||
|
||||
<authorinitials>TE</authorinitials>
|
||||
|
||||
<revremark>Add note about <trademark>Vonage</trademark>.</revremark>
|
||||
</revision>
|
||||
|
||||
<revision>
|
||||
<revnumber>1.11</revnumber>
|
||||
|
||||
<date>2004-05-28</date>
|
||||
|
||||
<authorinitials>TE</authorinitials>
|
||||
|
||||
<revremark>Corrected directory for actions.std and enhanced the DNS
|
||||
section.</revremark>
|
||||
</revision>
|
||||
|
||||
<revision>
|
||||
<revnumber>1.10</revnumber>
|
||||
|
||||
<date>2004-05-09</date>
|
||||
|
||||
<authorinitials>TE</authorinitials>
|
||||
|
||||
<revremark>Added TFTP.</revremark>
|
||||
</revision>
|
||||
|
||||
<revision>
|
||||
<revnumber>1.9</revnumber>
|
||||
|
||||
<date>2004-04-24</date>
|
||||
|
||||
<authorinitials>TE</authorinitials>
|
||||
|
||||
<revremark>Revised ICQ/AIM.</revremark>
|
||||
</revision>
|
||||
|
||||
<revision>
|
||||
<revnumber>1.8</revnumber>
|
||||
|
||||
<date>2004-04-23</date>
|
||||
|
||||
<authorinitials>TE</authorinitials>
|
||||
|
||||
<revremark>Added SNMP.</revremark>
|
||||
</revision>
|
||||
|
||||
<revision>
|
||||
<revnumber>1.7</revnumber>
|
||||
|
||||
<date>2004-02-18</date>
|
||||
|
||||
<authorinitials>TE</authorinitials>
|
||||
|
||||
<revremark>Make NFS work for everyone.</revremark>
|
||||
</revision>
|
||||
|
||||
<revision>
|
||||
<revnumber>1.6</revnumber>
|
||||
|
||||
<date>2004-02-14</date>
|
||||
|
||||
<authorinitials>TE</authorinitials>
|
||||
|
||||
<revremark>Add PCAnywhere.</revremark>
|
||||
</revision>
|
||||
|
||||
<revision>
|
||||
<revnumber>1.5</revnumber>
|
||||
|
||||
<date>2004-02-05</date>
|
||||
|
||||
<authorinitials>TE</authorinitials>
|
||||
|
||||
<revremark>Added information about VNC viewers in listen
|
||||
mode.</revremark>
|
||||
</revision>
|
||||
|
||||
<revision>
|
||||
<revnumber>1.4</revnumber>
|
||||
|
||||
<date>2004-01-26</date>
|
||||
|
||||
<authorinitials>TE</authorinitials>
|
||||
|
||||
<revremark>Correct ICQ.</revremark>
|
||||
</revision>
|
||||
|
||||
<revision>
|
||||
<revnumber>1.3</revnumber>
|
||||
|
||||
<date>2004-01-04</date>
|
||||
|
||||
<authorinitials>TE</authorinitials>
|
||||
|
||||
<revremark>Alphabetize</revremark>
|
||||
</revision>
|
||||
|
||||
<revision>
|
||||
<revnumber>1.2</revnumber>
|
||||
|
||||
<date>2004-01-03</date>
|
||||
|
||||
<authorinitials>TE</authorinitials>
|
||||
|
||||
<revremark>Add rules file entries.</revremark>
|
||||
</revision>
|
||||
|
||||
<revision>
|
||||
<revnumber>1.1</revnumber>
|
||||
|
||||
<date>2002-07-30</date>
|
||||
|
||||
<authorinitials>TE</authorinitials>
|
||||
|
||||
<revremark>Initial version converted to Docbook XML</revremark>
|
||||
</revision>
|
||||
</revhistory></para>
|
||||
</appendix>
|
||||
</article>
|
@ -15,7 +15,7 @@
|
||||
</author>
|
||||
</authorgroup>
|
||||
|
||||
<pubdate>2004-09-04</pubdate>
|
||||
<pubdate>2004-09-07</pubdate>
|
||||
|
||||
<copyright>
|
||||
<year>2001-2004</year>
|
||||
@ -175,14 +175,6 @@
|
||||
other output is better than a paraphrase or summary.</para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para>Please don't describe your problem as <quote>Computer A can't
|
||||
see Computer B</quote>. Of course it can't -- it hasn't any eyes! If
|
||||
ping from A to B fails, say so (and see below for information about
|
||||
reporting <quote>ping</quote> problems). If Computer B doesn't show up
|
||||
in <quote>Network Neighborhood</quote> then say so.</para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
<para>Please give details about what doesn't work. Reports that say
|
||||
<quote>I followed the directions and it didn't work</quote> will
|
||||
@ -220,7 +212,8 @@
|
||||
(<quote><command>/sbin/shorewall show log</command></quote>) when you
|
||||
exercise the function that is giving you problems? If so, include the
|
||||
message(s) in your post along with a copy of your
|
||||
/etc/shorewall/interfaces file.</para>
|
||||
/etc/shorewall/interfaces file (and /etc/shorewall/hosts file if you
|
||||
have entries in that file).</para>
|
||||
</listitem>
|
||||
|
||||
<listitem>
|
||||
|
Loading…
Reference in New Issue
Block a user