From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Francois Dessart" <fdessart2@ibelgique.com>
Date: Fri, 18 Oct 2002 06:21:45 +0000
Subject: Re: [LARTC] why dont packets go where i want?
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To: lartc@vger.kernel.org

Thanks for this explanation.

> Passive FTP does not use tcp/20 at all.  Instead of the server
connecting
> to the client, the client connects to the server for data transfers.
The
> server chooses an arbitrary port for the client to connect to.  The
intent
> of passive FTP was to work around firewalls that don't permit inbound
> connections.

So with passive FTP, both ports (source and dest) are dynamic. Correct?

How to match this data tranfer with iptables?

Thanks.

Francois.

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