Actually, the first one is what I have been looking for.  I know IP Chains
really well, I have just never had to do anything like this with it.  I am
sure that I can figure it out now that I know IP Chains will do it for me.

-----Original Message-----
From: tclug-list-admin at mn-linux.org
[mailto:tclug-list-admin at mn-linux.org]On Behalf Of Eric Stanley
Sent: Monday, March 19, 2001 2:38 PM
To: tclug-list at mn-linux.org
Subject: Re: [TCLUG] Port switching


Is port forwarding what you want?  Port forwarding can take stuff
that's addressed to 111.111.111.111:80 and forward it to
222.222.222.222:5000.

Or do you want to have something that is addressed to
222.222.222.222:80 changed to 222.222.222.222;5000?  The latter I
don't know how to do, but I did run across the Advanced Routing HOWTO
the other day.  I didn't read it, but it looks very interesting and
might address this issue.

Eric

On Mon, Mar 19, 2001 at 01:50:30PM -0600, Jason Sowers wrote:
> Does anyone know if there is hardware/software out there that will allow
me
> to switch TCP/UDP ports of communication as it traverses a DMZ?  For
> example, if you have a web server that is outside of you network that is
> getting information from a DB server on the inside of your network, is
there
> anyway to switch the packet from port 80 to port 5000 as it crosses the
DMZ?
> Maybe Linux can do it or some package on Linux.  I can't find anything
that
> will do it.  Cisco can't so I don't know really where to go.  Any
> input/leads would be great.
>
> Thanks
>
> Jason Sowers
>
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> tclug-list mailing list
> tclug-list at mn-linux.org
> https://mailman.mn-linux.org/mailman/listinfo/tclug-list
>
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