[Gllug] IPCop and port forwarding

[Xander D Harkness]

Murray wrote:

>ipcop$ tail -f /var/log/messages
>external$ telnet 213.253.36.55 25
>
>if it's not showing up in there, it probably isn't the ipcop box that's
>blocking it. do you have an adsl modem or anything doing nat inbetween?
>
>if it is, it'll show you the source/dest ip & ports, as well as whether it's
>blocking on INPUT or OUTPUT.
>
>ipcop 1.2 is ipchains
>ipcop 1.3 is iptables
>
>  
>

I have martians :-)

It looks like the packets are being dumped somewhere as SuSE is 
complaining about illegal packets.

It works fine going to another box's ssh port and I can access port 25 
of the mail server from elsewhere on the network.

I am sure it is a switch router trying to be clever! :-)

Thanks
Xander


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