Subject: Re: ipnat ftp proxy: any news?
To: Matthias Scheler <email@example.com>
From: Pelle Johansson <firstname.lastname@example.org>
Date: 09/05/2004 12:52:00
2004-09-04 kl. 21.49 skrev Matthias Scheler:
> On Sat, Sep 04, 2004 at 08:46:57PM +0200, Martin Husemann wrote:
>> On Sat, Sep 04, 2004 at 02:35:48PM -0400, Sean Davis wrote:
>>> I don't think the ipnat ftp proxy only affects active...
>> I don't think so either. Someone tried to say that you only *need* the
>> proxy for active ftp.
> No, I got that really wrong. Thinking about it again it is obvious that
> it will also affect passive FTP connections because the FTP proxy needs
> to monitor all control connections. It cannot know in advance if active
> or passive FTP transfer will be used.
Up until the point the client sends the EPSV ALL command. When that's
done it can let go of the connection, since it knows the client will
only use passive transfers.