Update Multi-ISP doc for 5.0

Signed-off-by: Tom Eastep <teastep@shorewall.net>
This commit is contained in:
Tom Eastep 2016-02-18 10:01:33 -08:00
parent 4640e4c51e
commit 477a5eb36a

View File

@ -913,15 +913,13 @@ eth1 0.0.0.0/0 130.252.99.27</programlisting>
later, you would make this entry in <ulink later, you would make this entry in <ulink
url="manpages/shorewall-mangle.html">/etc/shorewall/mangle</ulink>.</para> url="manpages/shorewall-mangle.html">/etc/shorewall/mangle</ulink>.</para>
<programlisting>#ACTION SOURCE DEST PROTO PORT(S) CLIENT USER TEST <programlisting>#ACTION SOURCE DEST PROTO DPORT SPORT USER TEST
# PORT(S)
MARK(2):P &lt;local network&gt; 0.0.0.0/0 tcp 25</programlisting> MARK(2):P &lt;local network&gt; 0.0.0.0/0 tcp 25</programlisting>
<para>Note that traffic from the firewall itself must be handled in a <para>Note that traffic from the firewall itself must be handled in a
different rule:</para> different rule:</para>
<programlisting>#MARK SOURCE DEST PROTO PORT(S) CLIENT USER TEST <programlisting>#ACTION SOURCE DEST PROTO DPORT SPORT USER TEST
# PORT(S)
MARK(2) $FW 0.0.0.0/0 tcp 25</programlisting> MARK(2) $FW 0.0.0.0/0 tcp 25</programlisting>
<para>If you are running a Shorewall version earlier than 4.6.0, the <para>If you are running a Shorewall version earlier than 4.6.0, the
@ -929,14 +927,12 @@ MARK(2) $FW 0.0.0.0/0 tcp 25</programlisting>
url="manpages4/manpages/shorewall-tcrules.html">/etc/shorewall/tcrules</ulink> url="manpages4/manpages/shorewall-tcrules.html">/etc/shorewall/tcrules</ulink>
would be:</para> would be:</para>
<programlisting>#ACTION SOURCE DEST PROTO PORT(S) CLIENT USER TEST <programlisting>#ACTION SOURCE DEST PROTO DPORT SPORT USER TEST
# PORT(S)
2:P &lt;local network&gt; 0.0.0.0/0 tcp 25</programlisting> 2:P &lt;local network&gt; 0.0.0.0/0 tcp 25</programlisting>
<para>And for traffic from the firewall:</para> <para>And for traffic from the firewall:</para>
<programlisting>#MARK SOURCE DEST PROTO PORT(S) CLIENT USER TEST <programlisting>#ACTION SOURCE DEST PROTO DPORT SPORT USER TEST
# PORT(S)
2 $FW 0.0.0.0/0 tcp 25</programlisting> 2 $FW 0.0.0.0/0 tcp 25</programlisting>
</section> </section>
@ -951,8 +947,7 @@ MARK(2) $FW 0.0.0.0/0 tcp 25</programlisting>
<para><filename>/etc/shorewall/rules</filename>:</para> <para><filename>/etc/shorewall/rules</filename>:</para>
<programlisting>#ACTION SOURCE DEST PROTO DEST PORT(S) SOURCE ORIGINAL <programlisting>#ACTION SOURCE DEST PROTO DPORT SPORT ORIGDEST
# PORTS(S) DEST
DNAT net loc:192.168.1.3 tcp 25</programlisting> DNAT net loc:192.168.1.3 tcp 25</programlisting>
<para>Continuing the above example, to forward only connection requests <para>Continuing the above example, to forward only connection requests
@ -962,19 +957,16 @@ DNAT net loc:192.168.1.3 tcp 25</programlisting
<listitem> <listitem>
<para>Qualify the SOURCE by ISP 1's interface:</para> <para>Qualify the SOURCE by ISP 1's interface:</para>
<programlisting>#ACTION SOURCE DEST PROTO DEST PORT(S) SOURCE ORIGINAL <programlisting>#ACTION SOURCE DEST PROTO DPORT SPORT ORIGDEST
# PORTS(S) DEST
DNAT net<emphasis role="bold">:eth0</emphasis> loc:192.168.1.3 tcp 25</programlisting> DNAT net<emphasis role="bold">:eth0</emphasis> loc:192.168.1.3 tcp 25</programlisting>
<para>or</para> <para>or</para>
</listitem> </listitem>
<listitem> <listitem>
<para>Specify the IP address of ISP 1 in the ORIGINAL DEST <para>Specify the IP address of ISP 1 in the ORIGDEST column:</para>
column:</para>
<programlisting>#ACTION SOURCE DEST PROTO DEST PORT(S) SOURCE ORIGINAL <programlisting>#ACTION SOURCE DEST PROTO DPORT SPORT ORIGDEST
# PORTS(S) DEST
DNAT net loc:192.168.1.3 tcp 25 <emphasis DNAT net loc:192.168.1.3 tcp 25 <emphasis
role="bold">- 206.124.146.176</emphasis></programlisting> role="bold">- 206.124.146.176</emphasis></programlisting>
</listitem> </listitem>
@ -2573,8 +2565,7 @@ wireless 3 3 - wlan0 172.20.1.1 track,o
role="bold">avvanta</emphasis> provider.</para> role="bold">avvanta</emphasis> provider.</para>
<para>Here is the mangle file (MARK_IN_FORWARD_CHAIN=No in <para>Here is the mangle file (MARK_IN_FORWARD_CHAIN=No in
<filename>shorewall.conf</filename>):<programlisting>#ACTION SOURCE DEST PROTO DEST SOURCE USER TEST LENGTH TOS CONNBYTES HELPER <filename>shorewall.conf</filename>):<programlisting>#ACTION SOURCE DEST PROTO DPORT SPORT USER TEST LENGTH TOS CONNBYTES HELPER
# PORT(S) PORT(S)
MARK(2) $FW 0.0.0.0/0 tcp 21 MARK(2) $FW 0.0.0.0/0 tcp 21
MARK(2) $FW 0.0.0.0/0 tcp - - - - - - - ftp MARK(2) $FW 0.0.0.0/0 tcp - - - - - - - ftp
MARK(2) $FW 0.0.0.0/0 tcp 119</programlisting></para> MARK(2) $FW 0.0.0.0/0 tcp 119</programlisting></para>
@ -2583,8 +2574,7 @@ MARK(2) $FW 0.0.0.0/0 tcp 119</programlistin
switching to using a mangle file (<command>shorewall update -t</command> switching to using a mangle file (<command>shorewall update -t</command>
will do that for you). Here are the equivalent tcrules entries:</para> will do that for you). Here are the equivalent tcrules entries:</para>
<programlisting>#MARK SOURCE DEST PROTO PORT(S) CLIENT USER TEST LENGTH TOS CONNBYTES HELPER <programlisting>#MARK SOURCE DEST PROTO DPORT SPORT USER TEST LENGTH TOS CONNBYTES HELPER
# PORT(S)
2 $FW 0.0.0.0/0 tcp 21 2 $FW 0.0.0.0/0 tcp 21
2 $FW 0.0.0.0/0 tcp - - - - - - - ftp 2 $FW 0.0.0.0/0 tcp - - - - - - - ftp
2 $FW 0.0.0.0/0 tcp 119</programlisting> 2 $FW 0.0.0.0/0 tcp 119</programlisting>
@ -2603,8 +2593,7 @@ MARK(2) $FW 0.0.0.0/0 tcp 119</programlistin
<para>The same rules converted to use the mangle file are:</para> <para>The same rules converted to use the mangle file are:</para>
<programlisting>#ACTION SOURCE DEST PROTO PORT(S) CLIENT USER TEST LENGTH TOS CONNBYTES HELPER <programlisting>#MARK SOURCE DEST PROTO DPORT SPORT USER TEST LENGTH TOS CONNBYTES HELPER
# PORT(S)
MARK(2) $FW 0.0.0.0/0 tcp 21 MARK(2) $FW 0.0.0.0/0 tcp 21
MARK(2) $FW 0.0.0.0/0 tcp - - - - - - - ftp MARK(2) $FW 0.0.0.0/0 tcp - - - - - - - ftp
MARK(2) $FW 0.0.0.0/0 tcp 119</programlisting> MARK(2) $FW 0.0.0.0/0 tcp 119</programlisting>
@ -2612,8 +2601,7 @@ MARK(2) $FW 0.0.0.0/0 tcp 119</programlisting>
<para>The remaining files are for a rather standard two-interface config <para>The remaining files are for a rather standard two-interface config
with a bridge as the local interface.</para> with a bridge as the local interface.</para>
<para><filename>zones</filename>:<programlisting>#ZONE IPSEC OPTIONS IN OUT <para><filename>zones</filename>:<programlisting>#ZONE IPSEC OPTIONS IN_OPTIONS OUT_OPTIONS
# ONLY OPTIONS OPTIONS
fw firewall fw firewall
net ipv4 net ipv4
kvm ipv4</programlisting><filename>policy</filename>:<programlisting>net net NONE kvm ipv4</programlisting><filename>policy</filename>:<programlisting>net net NONE
@ -2623,17 +2611,17 @@ kvm all ACCEPT
net all DROP info net all DROP info
all all REJECT info</programlisting></para> all all REJECT info</programlisting></para>
<para>interfaces:<programlisting>#ZONE INTERFACE BROADCAST OPTIONS GATEWAY <para>interfaces:<programlisting>#ZONE INTERFACE OPTIONS
# #
net eth0 detect dhcp,tcpflags,routefilter,blacklist,logmartians,optional,arp_ignore net eth0 dhcp,tcpflags,routefilter,blacklist,logmartians,optional,arp_ignore
net wlan0 detect dhcp,tcpflags,routefilter,blacklist,logmartians,optional net wlan0 dhcp,tcpflags,routefilter,blacklist,logmartians,optional
kvm br0 detect routeback #Virtual Machines</programlisting><note> kvm br0 routeback #Virtual Machines</programlisting><note>
<para><filename class="devicefile">wlan0</filename> is the wireless <para><filename class="devicefile">wlan0</filename> is the wireless
adapter in the notebook. Used when the laptop is in our home but not adapter in the notebook. Used when the laptop is in our home but not
connected to the wired network.</para> connected to the wired network.</para>
</note></para> </note></para>
<para>masq:<programlisting>#INTERFACE SUBNET ADDRESS PROTO PORT(S) IPSEC <para>masq:<programlisting>#INTERFACE SUBNET ADDRESS PROTO DPORT IPSEC
eth0 192.168.0.0/24 eth0 192.168.0.0/24
wlan0 192.168.0.0/24</programlisting><note> wlan0 192.168.0.0/24</programlisting><note>
<para>Because the firewall has only a single external IP address, I <para>Because the firewall has only a single external IP address, I
@ -2881,9 +2869,7 @@ root@gateway:~# </programlisting>
<para><filename>/etc/shorewall/mangle</filename> is not used to support <para><filename>/etc/shorewall/mangle</filename> is not used to support
Multi-ISP:</para> Multi-ISP:</para>
<programlisting>#MARK SOURCE DEST PROTO DEST SOURCE <programlisting>#MARK SOURCE DEST PROTO DPORT SPORT
# PORT(S) PORT(S)
FORMAT 2
TTL(+1):P INT_IF - TTL(+1):P INT_IF -
SAME:P INT_IF - tcp 80,443 SAME:P INT_IF - tcp 80,443
?if $PROXY &amp;&amp; ! $SQUID2 ?if $PROXY &amp;&amp; ! $SQUID2