[Gllug] IPCop and port forwarding

[Xander D Harkness]

I have set up IPCop 1.2 (and 1.3) with port forwarding port 25 on its 
red interface through to an internal IP address on a mail server.

I have enabled external access for that port.

When I try telnet IPaddress 25 from an external box I get a time out.

I can ping the IP address on the IP cop box.  I can also see the NAT 
session under connections; however I always get a time out.  I have 
tried port 50000 to port 25 and get the same.

If I put the mail server on the public IP I can talk to it.

I am going to wander off to prod the network with ethereal; however I 
was hoping that someone might have some bright ideas.  My ISP here is 
Claranet  and the IP address if you feel the desire to prod is 213.253.36.55

Kind regards
Xander



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