shorewall_code/Shorewall/manpages/shorewall-ecn.xml

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<refentry>
  <refmeta>
    <refentrytitle>shorewall-ecn</refentrytitle>

    <manvolnum>5</manvolnum>

    <refmiscinfo>Configuration Files</refmiscinfo>
  </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>IPv4 only.</para>

    <para>Use this file to list the destinations for which you want to disable
    ECN (Explicit Congestion Notification). Use of this file is deprecated in
    favor of ECN rules in <ulink
    url="shorewall-mangle.html">shorewall-mangle</ulink>(8).</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)</para>
  </refsect1>
</refentry>