Are you able to play World of Warcraft 3 online with no problems, until you try and host your own LAN game and find you are unable to? You are not alone. It would appear that this is quite a common issue with WOW 3. Fortunately there is a quick fix that can help!
How to Solve the Problem
Try to unblock the game in your Firewall settings:
Note: You must have the file "War3" and the file "Warcraft III" listed as exceptions.
- Click "Start" then "Connections" then "show all connections"
- Double-click your Internet connection, and then click "Properties", then "Advanced", then "Settings ..." (Windows firewall), then click "Exceptions"
Photo: World Of Warcraft
- To do so, via the "exceptions" menu, click on "Add a Program", double-click on Warcraft III if it is not already in the list of exceptions.
- Next click on "browse", then look after the directory where you installed open the folder and double-click the file "War3" then "OK".