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Re: FTP Server



Well correct it all boils down to who establishes what when ..
and which way.. 

> umm, I'm quite positive that an active mode FTP server operates on two
> ports.  21 for the command port, and 20 for the data port.  For active mode
> the data port is random on the client.
> ----- Original Message -----
> From: "Rémi Guyomarch" <rguyom_(_at_)_pobox_(_dot_)_com>
> To: <misc_(_at_)_openbsd_(_dot_)_org>
> Sent: Monday, December 10, 2001 10:41 PM
> Subject: Re: FTP Server
> 
> 
> > On Tue, Dec 11, 2001 at 06:41:04PM -0800, Lawrence Johnson wrote:
> > > Marco,
> > > Thanks, but I am running an active mode ftp server, the two ports on my
> > > server will be 20 and 21 (data and command respectively).
> >
> > No. Port 20 is *NEVER* used as the destination port in a FTP
> > connection, be it active or passive. It may be the *source* port but
> > don't count on this.
> >
> > --
> > Rémi