[Gllug] IPCop and port forwarding

[will]

> 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! :-)

Sorry, would have responded to the original post, except I can't find it.

I used to have IPCop and had the same problem.  When you set up IPCop to
port forward, you need to make another change on another page of the
interface before it will work.  Unfortunatly I am at work and my IPCop
machine is sitting on a shelf powered down at home, so I can't look up
which page it was that I used.  I would persevere with the IPCop interface
though.

Will.



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