From mboxrd@z Thu Jan  1 00:00:00 1970
From: Chris Brenton <cbrenton@chrisbrenton.org>
Subject: Re: Allow active and passive FTP connections
Date: Thu, 17 Jun 2004 08:07:52 -0400
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To: Sagara Wijetunga <sagaralists@yahoo.com>
Cc: netfilter <netfilter@lists.netfilter.org>

On Thu, 2004-06-17 at 07:03, Sagara Wijetunga wrote:
>
> I have following issues relating to above rules:
> 1. For active FTP requests by remote clients, it drops
> the data connection request to the remote client from
> the server on the OUTPUT chain. 
> 
> 2. For passive FTP requests by remote clients, it
> drops the data connection request to the server from
> remote clients on the INPUT chain.

Try:
insmod ip_conntrack_ftp

HTH,
C