Source Network address translation (SNAT) software or libraries

  • From: <Nick.Adamson@xxxxxxxxxxxxxxxxxxxxxx>
  • To: <programmingblind@xxxxxxxxxxxxx>, <program-l@xxxxxxxxxxxxx>
  • Date: Mon, 10 Dec 2007 08:44:29 -0000

Hi All.

I'm writing some software which is to work on a network which requires
Source Network Address Translation or SNAT or even Source NAT.
(They all mean the same thing)

Source NAT is the technique of replacing the source address field of the
IP header with a different address. In this scenario the rooters are
configured that the sender terminal has to put the broad cast address
for that terminal as the source address field. This is so that any
replies to the message can get through the router.

Does any one know of software witch intercepts the IP packet and does
this soft of ththing or a library which can do it. I really really
really want to avoid writing the IP header by hand.

Cheers.
Nick.



Nick Adamson
Software Engineer
General Dynamics UK LTD

Email: nick.adamson@xxxxxxxxxxxxxxxxxxxxxx
Tel: 01495 236467
http://www.generaldynamics.uk.com



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