From mboxrd@z Thu Jan  1 00:00:00 1970
From: Martijn Lievaart <m@rtij.nl>
Subject: Re: RELATED connections and the feeling of security
Date: Fri, 13 Apr 2007 21:51:17 +0200
Message-ID: <461FDF35.7010901@rtij.nl>
References: <200704131202.27971.Hugo.Mildenberger@t-online.de>	<1176463828.9361.14.camel@anduril.intranet.cartel-securite.net>	<200704131457.59976.Hugo.Mildenberger@t-online.de>
	<461FC3C1.1090906@plouf.fr.eu.org>
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To: Pascal Hambourg <pascal.mail@plouf.fr.eu.org>
Cc: netfilter@lists.netfilter.org

Pascal Hambourg wrote:
> Hello,
>
> Hugo Mildenberger a =E9crit :
>> should the ftp-conntrack helper expose arbitrary ports on the 
>> originating host?
>
> Yes it should, for the following two reasons :
> 1) The host explicitly asked for it over the FTP control connection.
> 2) The firewall administrator allowed it by loading the FTP conntrack 
> module.
>

No, not arbitrary ports. The port asked for in the port command should 
be opened (and it is).

M4