iptables logging methods

From: Lance (lance_tt@bellsouth.net)
Date: 10/04/01 

Subject: iptables logging methods
From: Lance <lance_tt@bellsouth.net>
To: focus-linux@securityfocus.com
Date: 04 Oct 2001 05:12:50 -0500
Message-Id: <1002190371.7314.2.camel@localhost.localdomain>

What are some simple methods to log packets, both filtered and
unfiltered with iptables?

I've defined log chains at the end of my firewall script but nothing
comes up in the logs.

Any reference or information would be helpful.

Lance
RHCE student