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git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@4970 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
235 lines
8.4 KiB
XML
235 lines
8.4 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<refentry>
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<refmeta>
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<refentrytitle>shorewall-tunnels</refentrytitle>
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<manvolnum>5</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>tunnels</refname>
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<refpurpose>Shorewall VPN definition file</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<cmdsynopsis>
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<command>/etc/shorewall/tunnels</command>
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</cmdsynopsis>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para>The columns in the file are as follows.</para>
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<variablelist>
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<varlistentry>
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<term><emphasis role="bold">TYPE</emphasis></term>
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<listitem>
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<para>Must be <emphasis role="bold">ipsec</emphasis>, <emphasis
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role="bold">ipsecnat</emphasis>, <emphasis
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role="bold">ipip</emphasis>, <emphasis role="bold">gre</emphasis>,
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<emphasis role="bold">6to4</emphasis>, <emphasis
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role="bold">pptpclient</emphasis>, <emphasis
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role="bold">pptpserver</emphasis>, <emphasis
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role="bold">openvpn</emphasis>, <emphasis
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role="bold">openvpnclient</emphasis>, <emphasis
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role="bold">openvpnserver</emphasis> or <emphasis
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role="bold">generic</emphasis></para>
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<para>If the type is <emphasis role="bold">ipsec</emphasis> or
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<emphasis role="bold">ipsecnat</emphasis>, it may be followed by
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<emphasis role="bold">:noah</emphasis> to indicate that the
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Authentication Header protocol (51) is not used by the
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tunnel.</para>
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<para>If type is <emphasis role="bold">openvpn</emphasis>, <emphasis
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role="bold">openvpnclient</emphasis> or <emphasis
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role="bold">openvpnserver</emphasis> it may optionally be followed
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by ":" and <emphasis role="bold">tcp</emphasis> or <emphasis
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role="bold">udp</emphasis> to specify the protocol to be used. If
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not specified, <emphasis role="bold">udp</emphasis> is
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assumed.</para>
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<para>If type is <emphasis role="bold">openvpn</emphasis>, <emphasis
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role="bold">openvpnclient</emphasis> or <emphasis
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role="bold">openvpnserver</emphasis> it may optionally be followed
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by ":" and the port number used by the tunnel. if no ":" and port
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number are included, then the default port of 1194 will be used. .
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Where both the protocol and port are specified, the protocol must be
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given first (e.g., openvpn:tcp:4444).</para>
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<para>If type is <emphasis role="bold">generic</emphasis>, it must
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be followed by ":" and a protocol name (from /etc/protocols) or a
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protocol number. If the protocol is <emphasis
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role="bold">tcp</emphasis> or <emphasis role="bold">udp</emphasis>
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(6 or 17), then it may optionally be followed by ":" and a port
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number.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><emphasis role="bold">ZONE</emphasis></term>
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<listitem>
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<para>The zone of the physical interface through which tunnel
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traffic passes. This is normally your internet zone.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><emphasis role="bold">GATEWAY</emphasis></term>
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<listitem>
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<para>The IP address of the remote tunnel gateway. If the remote
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gateway has no fixed address (Road Warrior) then specify the gateway
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as <emphasis role="bold">0.0.0.0/0</emphasis>. May be specified as a
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network address and if your kernel and iptables include iprange
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match support then IP address ranges are also allowed.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><emphasis role="bold">GATEWAY ZONES</emphasis> (Optional)</term>
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<listitem>
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<para>If the gateway system specified in the third column is a
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standalone host then this column should contain a comma-separated
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list of the names of the zones that the host might be in. This
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column only applies to IPSEC tunnels where it enables ISAKMP traffic
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to flow through the tunnel to the remote gateway.</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1>
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<title>Example</title>
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<variablelist>
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<varlistentry>
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<term>Example 1:</term>
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<listitem>
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<para>IPSec tunnel.</para>
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<para>The remote gateway is 4.33.99.124 and the remote subnet is
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192.168.9.0/24. The tunnel does not use the AH protocol</para>
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<programlisting> #TYPE ZONE GATEWAY
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ipsec:noah net 4.33.99.124</programlisting>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>Example 2:</term>
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<listitem>
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<para>Road Warrior (LapTop that may connect from anywhere) where the
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"gw" zone is used to represent the remote LapTop</para>
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<programlisting> #TYPE ZONE GATEWAY GATEWAY ZONES
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ipsec net 0.0.0.0/0 gw</programlisting>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>Example 3:</term>
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<listitem>
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<para>Host 4.33.99.124 is a standalone system connected via an ipsec
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tunnel to the firewall system. The host is in zone gw.</para>
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<programlisting> #TYPE ZONE GATEWAY GATEWAY ZONES
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ipsec net 4.33.99.124 gw</programlisting>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>Example 4:</term>
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<listitem>
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<para>Road Warriors that may belong to zones vpn1, vpn2 or vpn3. The
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FreeS/Wan _updown script will add the host to the appropriate zone
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using the <command>shorewall add</command> command on connect and
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will remove the host from the zone at disconnect time.</para>
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<programlisting> #TYPE ZONE GATEWAY GATEWAY ZONES
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ipsec net 0.0.0.0/0 vpn1,vpn2,vpn3</programlisting>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>Example 5:</term>
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<listitem>
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<para>You run the Linux PPTP client on your firewall and connect to
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server 192.0.2.221.</para>
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<programlisting> #TYPE ZONE GATEWAY GATEWAY ZONES
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pptpclient net 192.0.2.221</programlisting>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>Example 6:</term>
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<listitem>
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<para>You run a PPTP server on your firewall.</para>
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<programlisting> #TYPE ZONE GATEWAY GATEWAY ZONES
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pptpserver net</programlisting>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>Example 7:</term>
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<listitem>
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<para>OPENVPN tunnel. The remote gateway is 4.33.99.124 and openvpn
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uses port 7777.</para>
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<programlisting> #TYPE ZONE GATEWAY GATEWAY ZONES
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openvpn:7777 net 4.33.99.124</programlisting>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>Example 8:</term>
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<listitem>
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<para>You have a tunnel that is not one of the supported types. Your
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tunnel uses UDP port 4444. The other end of the tunnel is
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4.3.99.124.</para>
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<programlisting> #TYPE ZONE GATEWAY GATEWAY ZONES
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generic:udp:4444 net 4.3.99.124</programlisting>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1>
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<title>FILES</title>
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<para>/etc/shorewall/tunnels</para>
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</refsect1>
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<refsect1>
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<title>See ALSO</title>
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<para><ulink
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url="http://shorewall.net/Documentation.htm#Tunnels">http://shorewall.net/Documentation.htm#Tunnels</ulink></para>
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<para>shorewall(8), shorewall-accounting(5), shorewall-actions(5),
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shorewall-blacklist(5), shorewall-hosts(5), shorewall-interfaces(5),
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shorewall-ipsec(5), shorewall-maclist(5), shorewall-masq(5),
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shorewall-nat(5), shorewall-netmap(5), shorewall-params(5),
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shorewall-policy(5), shorewall-providers(5), shorewall-proxyarp(5),
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shorewall-route_rules(5), shorewall-routestopped(5), shorewall-rules(5),
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shorewall.conf(5), shorewall-tcclasses(5), shorewall-tcdevices(5),
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shorewall-tcrules(5), shorewall-tos(5), shorewall-zones(5)</para>
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</refsect1>
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</refentry> |