man: mention that FirewallMark= optionally takes firewall mask

Closes #17587.
This commit is contained in:
Yu Watanabe 2020-11-13 15:05:31 +09:00 committed by Zbigniew Jędrzejewski-Szmek
parent 40ebe49259
commit cbdc906288
1 changed files with 3 additions and 1 deletions

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@ -1170,7 +1170,9 @@ IPv6Token=prefixstable:2002:da8:1::</programlisting></para>
<varlistentry>
<term><varname>FirewallMark=</varname></term>
<listitem>
<para>Specifies the iptables firewall mark value to match (a number between 1 and 4294967295).</para>
<para>Specifies the iptables firewall mark value to match (a number between 1 and
4294967295). Optionally, the firewall mask (also a number between 1 and 4294967295) can be
suffixed with a slash (<literal>/</literal>), e.g., <literal>7/255</literal>.</para>
</listitem>
</varlistentry>
<varlistentry>