"comment" match support

modulename: xt_comment.ko

configname: CONFIG_NETFILTER_XT_MATCH_COMMENT

Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>Network packet filtering framework (Netfilter)
└─>Core Netfilter Configuration
└─>"comment" match support
In linux kernel since version 2.6.16.30-pre1 (release Date: 2006-09-22)  
This option adds a `comment' dummy-match, which allows you to put
comments in your iptables ruleset.

If you want to compile it as a module, say M here and read
<file:Documentation/kbuild/modules.rst>. If unsure, say `N'.

source code: