extensions/libxt_comment.man - maze/iptables - Git at Google

 Allows you to add comments (up to 256 characters) to any rule.
 .TP
 \fB\-\-comment\fP \fIcomment\fP
 .TP
 Example:
 iptables \-A INPUT \-i eth1 \-m comment \-\-comment "my local LAN"
	Allows you to add comments (up to 256 characters) to any rule.
	.TP
	\fB\-\-comment\fP \fIcomment\fP
	.TP
	Example:
	iptables \-A INPUT \-i eth1 \-m comment \-\-comment "my local LAN"