FTP, iptables, and connection tracking

To: Debian Firewall - LIST <debian-firewall@lists.debian.org>
Subject: FTP, iptables, and connection tracking
From: hubix <hubix@free.fr>
Date: Wed, 09 Jun 2004 09:58:13 +0200
Message-id: <[🔎] 40C6C315.9090901@free.fr>

Hello,
I use 3 computers :
1 debian woody firewall,
1 debian woody webserver,
1 windows XP / debian sarge for work.
When I want transer files by FTP,
- in my network,
- from my network to web,
- from web to my network.

The connection success, but for the LIST ftp command, my firewall blockpackets with source and destination ports above 1024...Does anyone know why ftp protocol don't use 20 an 21 ports for thiscommand, and how to configure my firewall to accept this packets withoutbreaking it ?

Thanks.

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