<?xml version="1.0" encoding="UTF-8"?> <refentry> <refmeta> <refentrytitle>shorewall-ecn</refentrytitle> <manvolnum>5</manvolnum> </refmeta> <refnamediv> <refname>ecn</refname> <refpurpose>Shorewall ECN file</refpurpose> </refnamediv> <refsynopsisdiv> <cmdsynopsis> <command>/etc/shorewall/ecn</command> </cmdsynopsis> </refsynopsisdiv> <refsect1> <title>Description</title> <para>Use this file to list the destinations for which you want to disable ECN (Explicit Congestion Notification).</para> <para>The columns in the file are as follows.</para> <variablelist> <varlistentry> <term><emphasis role="bold">INTERFACE</emphasis> - <emphasis>interface</emphasis></term> <listitem> <para>Interface through which host(s) communicate with the firewall</para> </listitem> </varlistentry> <varlistentry> <term><emphasis role="bold">HOST(S)</emphasis> (Optional) - [<emphasis role="bold">-</emphasis>|<emphasis>address-or-address-range</emphasis>[<emphasis role="bold">,</emphasis><emphasis>address-or-address-range</emphasis>]...]</term> <listitem> <para>Comma-separated list of host and/or network addresses. If left empty or supplied as "-", 0.0.0.0/0 is assumed. If your kernel and iptables include iprange match support then IP address ranges are also permitted.</para> </listitem> </varlistentry> </variablelist> </refsect1> <refsect1> <title>FILES</title> <para>/etc/shorewall/ecn</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>