IIS not listening over external network, all other traffic working

Posted by Beuy on Server Fault See other posts from Server Fault or by Beuy
Published on 2010-03-23T04:08:34Z Indexed on 2010/03/23 4:11 UTC
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iis7

Hello there,

I have a very odd situation, I have a server (let's call it X) running 2008 R2 with two NIC's in it, one is connected to the work domain and has a subnet of 192.168.10.0/24 the other is connected to a ADSL connection and has a subnet of 192.168.1.0/24. The server has IIS installed.

On the ADSL connection I have setup a dynamic dns and port forwarding to allow external HTTP, HTTPS, FTP and RDP connections. FTP and RDP are working fine however neither HTTP or HTTPS are working at all.

I can browse the websites by going to localhost on the machine, the HTTP and HTTPS ports appear as "Filtered" when I try to scan them using PortQueryUI and browsers respond with a "Server took too long to load or was not responding" error.

This was working fine just a few days ago, Windows firewall is disabled I don't have any software firewall on it. And I'm really lost.

Any help would be great.

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