From mboxrd@z Thu Jan  1 00:00:00 1970
From: Pascal Hambourg <pascal.mail@plouf.fr.eu.org>
Subject: Re: no ssh on eth0
Date: Sun, 30 Jul 2006 14:37:22 +0200
Message-ID: <44CCA802.2090403@plouf.fr.eu.org>
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Hello,

Jan Engelhardt a =E9crit :
>>>
>>>I want to prevent ssh on eth0.
>>>
>>>Howto do it ?
>>
>>iptables -I INPUT -i eth0 -p tcp --dport 22 -j DROP

If the goal is to prevent *incoming* SSH connections on eth0.

> If
> 	eth0 10.0.0.1
> 	eth1 192.168.222.3
> then
> /etc/ssh/sshd_config:
>=20
> 	ListenAddress 192.168.222.3

This alone is not enough to prevent connections on eth0. You can connect=20
to any host address on any interface. E.g. connect to eth1 address on=20
eth0 interface and vice versa.