From mboxrd@z Thu Jan  1 00:00:00 1970
From: varun_saa@vsnl.net
Subject: block traffic between two subnets
Date: Thu, 07 Jul 2005 17:04:29 +0500
Message-ID: <478753d47892be.47892be478753d@vsnl.net>
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To: netfilter@lists.netfilter.org

Hello,
      I have two subnets :

eth1 192.168.0.0/24
eth2 192.168.21.0/24

I would like block all traffic between eth1 and eth2.

How to write a rule ?

Thanks

Varun