[nsp] translating the port

[Hudson Delbert J Contr 61 CS/SCBN]

in firewall parlance, this is called port redirection and
usually is the province of proxies and firewalls.
really doesnt have anything to do with stateful behavior, just re-writing
IP packet headers and managing xlate tables.

~v/r
Del Hudson
61CS/SCBN - LAAFB NCC
Network Architecture & Engineering Group
delbert.hudson at losangeles.af.mil



-----Original Message-----
From: Rubens Kuhl Jr. [mailto:rubens at email.com]
Sent: Tuesday, January 13, 2004 12:10 PM
To: Rajeshbansal9 at aol.com; cisco-nsp at puck.nether.net
Subject: Re: [nsp] translating the port



This stateful behaviour is not something that a stateless machine can do...
but there is a SLB module available to 6500/7600, that possibly would do
what you want.


Rubens


----- Original Message ----- 
From: <Rajeshbansal9 at aol.com>
To: <cisco-nsp at puck.nether.net>
Sent: Tuesday, January 13, 2004 5:44 PM
Subject: [nsp] translating the port


> Hello,
>
> Is there any way in 7600 just to translate the destination port of a
packet.
> So if the 7600 receives a packet that is destined to port 25, have it
change
> it to something else and maintain the session entry. Sort of NAT but
maintaing
> the address but just changing the destination port.
>
> Thanks
>
> raj
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