ftp proxying possible?

[A.Fadyushin at it-centre.ru]

You may use the 'DNAT' facility of iptables firewall package on your
gateway to forward FTP [control] port of your server to outside world.
You could also use, for FTP control connection, the port forwarding
option provided by xinetd. However, in that case only the one of FTP
modes (the active one) will work, so clients which themselves are behind
the NAT on their side of connection may have problems connecting to FTP
server. I am not sure about such problems when using DNAT - when you are
using SNAT for an FTP _client_ behind the firewall, the special iptables
helper module solves that problem, but I am not sure that this module
works for DNAT also.

Alexey Fadyushin
Brainbench MVP for Linux
http://www.brainbench.com


> -----Original Message-----
> From: redhat-list-bounces at redhat.com [mailto:redhat-list-
> bounces at redhat.com] On Behalf Of Marty Landman
> Sent: Thursday, January 26, 2006 4:59 PM
> To: redhat-list at redhat.com
> Subject: ftp proxying possible?
> 
> I'd like to enable some way for an outside client to access an SFTP
server
> on my LAN going through my RH9 gateway's IP. The target ftp server
happens
> to be on another rh9 box running the cli only, while my gateway has
the
> full install with desktop on it.
> 
> How could I start researching this? And is it best done from the
desktop,
> or command line?
> 
> Thanks in advance,
> 
> Marty
> 
> 
> Marty Landman, Face 2 Interface Inc. 845-679-9387
> Webmaster's Bulletin Board: http://bbs.face2interface.com/
> Web Installed Formmail: http://face2interface.com/formINSTal
> 
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