incoming connections refused


The problem I'm having is that when I run a server on my Debian Linux machine, I can access the server from the local loopback interface, but the connection gets refused if I use the external IP address. For example, I have MySQL running and can connect to it with

telnet localhost 3306

but doing

telnet 192.168.0.110 3306

will result in the connection being refused. And yes, the IP address I'm using is correct.

I have a 2-machine network with the Linux box and a Windows box connected with a DLink router. I can connect to the Windows box just fine from the Linux box, but not the other way around. I can only connect to the Linux box from the loopback interface on the Linux box. Pings work just fine in both directions.

My iptables settings are set to allow anything. I'm not sure where to go with this to debug it. Something is causing the Linux box to refuse connections and I'm not sure what's doing it.

I can get to the outside world just fine, it's just connections coming in on the NIC that always get refused.

Thanks,
Rich

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