[c-nsp] Port Redirection

Stephen J. Wilcox steve at telecomplete.co.uk
Sat Jul 9 13:17:07 EDT 2005


you can use policy routing - match port 25 and set next hop to a local smtp 
server which does some ipchains/nat voodoo to accept the tcp connection. this 
will only work for a direct attached smpt server as the cisco is only pushing 
the packet to the server and not rewriting the ip destination

Steve

On Fri, 8 Jul 2005, Paul Stewart wrote:

> Hi there...
> 
> Is there a way or can someone point me to a document on forcing users to 
> use a specific smtp server on Cisco IOS?  In other words, no matter what 
> smtp server a remote site has setup, they will always transparently 
> connect to a specific smtp server?  These remote sites have Cisco 
> routers that we manage ...
> 
> Thanks,
> 
> Paul
> 
> 
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