forked from extern/shorewall_code
100 lines
3.2 KiB
XML
100 lines
3.2 KiB
XML
|
<?xml version="1.0" encoding="UTF-8"?>
|
||
|
|
<refentry>
|
||
|
|
<refmeta>
|
||
|
|
<refentrytitle>shorewall-rfc1918</refentrytitle>
|
||
|
|
|
||
|
|
<manvolnum>5</manvolnum>
|
||
|
|
</refmeta>
|
||
|
|
|
||
|
|
<refnamediv>
|
||
|
|
<refname>rfc1918</refname>
|
||
|
|
|
||
|
|
<refpurpose>Shorewall file</refpurpose>
|
||
|
|
</refnamediv>
|
||
|
|
|
||
|
|
<refsynopsisdiv>
|
||
|
|
<cmdsynopsis>
|
||
|
|
<command>/usr/share/shorewall/rfc1918</command>
|
||
|
|
</cmdsynopsis>
|
||
|
|
</refsynopsisdiv>
|
||
|
|
|
||
|
|
<refsect1>
|
||
|
|
<title>Description</title>
|
||
|
|
|
||
|
|
<para>The rfc1918 file determines the handling of connections under the
|
||
|
|
norfc1918 option in <ulink
|
||
|
|
url="shorewall-interfaces.html">shorewall-interfaces</ulink>(5). Do not
|
||
|
|
modify <filename>/usr/share/shorewall/rfc1918</filename>; if you need to
|
||
|
|
change norfc1918 handling, then copy
|
||
|
|
<filename>/usr/share/shorewall/rfc1918</filename> to
|
||
|
|
<filename>/etc/shorewall/rfc1918</filename> and modify the copy.</para>
|
||
|
|
|
||
|
|
<para>The released version of this file logs and drops packets from the
|
||
|
|
three address ranges reserved by RFC 1918:</para>
|
||
|
|
|
||
|
|
<blockquote>
|
||
|
|
<programlisting>10.0.0.0/8
|
||
|
|
172.16.0.0/12
|
||
|
|
192.168.0.0/16</programlisting>
|
||
|
|
</blockquote>
|
||
|
|
|
||
|
|
<para>The columns in the file are as follows.</para>
|
||
|
|
|
||
|
|
<variablelist>
|
||
|
|
<varlistentry>
|
||
|
|
<term><emphasis role="bold">SUBNET -
|
||
|
|
<replaceable>address</replaceable></emphasis></term>
|
||
|
|
|
||
|
|
<listitem>
|
||
|
|
<para>Subnet address in CIDR format.</para>
|
||
|
|
</listitem>
|
||
|
|
</varlistentry>
|
||
|
|
|
||
|
|
<varlistentry>
|
||
|
|
<term><emphasis role="bold">TARGET</emphasis> - {<emphasis
|
||
|
|
role="bold">RETURN</emphasis>|<emphasis
|
||
|
|
role="bold">DROP</emphasis>|<emphasis
|
||
|
|
role="bold">logdrop</emphasis>}</term>
|
||
|
|
|
||
|
|
<listitem>
|
||
|
|
<para><emphasis role="bold">RETURN</emphasis> causes packets to/from
|
||
|
|
the specified subnet to be processed normally by the applicable
|
||
|
|
rules and policies.</para>
|
||
|
|
|
||
|
|
<para><emphasis role="bold">DROP</emphasis> causes packets from the
|
||
|
|
specified subnet to be silently dropped.</para>
|
||
|
|
|
||
|
|
<para><emphasis role="bold">logdrop</emphasis> causes packets from
|
||
|
|
the specified subnet to be logged at the level specified by the
|
||
|
|
RFC1918_LOG_LEVEL option in <ulink
|
||
|
|
url="shorewall.conf.html">shorewall.conf</ulink>(5).</para>
|
||
|
|
</listitem>
|
||
|
|
</varlistentry>
|
||
|
|
</variablelist>
|
||
|
|
|
||
|
|
<para>Also, please see the RFC1918_STRICT option in <ulink
|
||
|
|
url="shorewall.conf.html">shorewall.conf</ulink>(5).</para>
|
||
|
|
</refsect1>
|
||
|
|
|
||
|
|
<refsect1>
|
||
|
|
<title>FILES</title>
|
||
|
|
|
||
|
|
<para>/usr/share/shorewall/rfc1918</para>
|
||
|
|
|
||
|
|
<para>/etc/shorewall/rfc1918</para>
|
||
|
|
</refsect1>
|
||
|
|
|
||
|
|
<refsect1>
|
||
|
|
<title>See ALSO</title>
|
||
|
|
|
||
|
|
<para>shorewall(8), shorewall-accounting(5), shorewall-actions(5),
|
||
|
|
shorewall-blacklist(5), shorewall-hosts(5), shorewall-interfaces(5),
|
||
|
|
shorewall-ipsec(5), shorewall-maclist(5), shorewall-masq(5),
|
||
|
|
shorewall-nat(5), shorewall-netmap(5), shorewall-params(5),
|
||
|
|
shorewall-policy(5), shorewall-providers(5), shorewall-proxyarp(5),
|
||
|
|
shorewall-route_rules(5), shorewall-routestopped(5), shorewall-rules(5),
|
||
|
|
shorewall.conf(5), shorewall-tcclasses(5), shorewall-tcdevices(5),
|
||
|
|
shorewall-tcrules(5), shorewall-tos(5), shorewall-tunnels(5),
|
||
|
|
shorewall-zones(5)</para>
|
||
|
|
</refsect1>
|
||
|
|
</refentry>
|