From mboxrd@z Thu Jan  1 00:00:00 1970
From: Koyama Mituru <netfilter@gvelo.ddnn.jp>
Subject: Re: ssh
Date: Thu, 15 Jul 2004 00:57:59 +0900 (JST)
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From: "Piszcz, Justin Michael" <justin.piszcz@mitretek.org>
Subject: RE: ssh
Date: Wed, 14 Jul 2004 11:26:10 -0400

> Should all incoming ports that relate to a service such as SSH, FTP use
> -m state --state NEW? 
> 
> I have never used this with iptables; but I remember using it with
> ipfilter.
> 
> What are the security implications (if any) of not using -m state
> --state NEW?

iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
iptables -A INPUT -p tcp --dport 22 -m state --state NEW -j ACCEPT

I don't want other packets.

-- 
Koyama Mituru    netfilter@gvelo.ddnn.jp

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