can only view my website using local ip, times out when I use wan ip [closed]

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http://serverfault.com – Possible Duplicate: Local server outside: How to access url internal over router? I have a sample site that I want to host on my machine and I want it accessible externally through the WAN IP. I configured the site on port 81 in IIS 7.5, forwarded port 81 in my netgear wgr614x10 router, yet the site keeps timing out when I try to pull it up. It runs fine when I use my local ip address, but the wan ip just times out. What am I doing wrong? I had no issues doing this on another network with a linksys router. (HowTos)