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How To: Host Warcraft III Battlenet Games with Linksys Routers

post #1 of 11
Thread Starter 
This FAQ is written to allow users of Linksys routers, both Wireless and Wired, to host games on Battle.net. The simple way of explaining the problem is that the Linksys Routers, by default, need certain ports open to be able to host.

Time: <10 Minutes
OS: Windows XP
Difficulty: Easy
Needed: Warcraft III AND/OR Frozen Throne// Windows XP // Linksys Router

1.From your desktop click “Start>Run” and type: cmd


2.Then type: ipconfig


You will need to remember the “Default Gateway” and the “IP Address”, so type them into a word or notepad file as an easy reference.

3.Open your Internet Browser (ie: Mozilla Firefox, Internet Explorer, etc.) and click in the URL bar.

Replace the homepage with your “Default Gateway” as typed into the notepad earlier:


4.Once entered, a prompt box will come up asking for you username and password. By default, the username and password is “admin” and “admin”. These can be changed at any time, meaning you may have to consult whomever has changed these.


5.You will see a black menu bar with a link you need to click named either |“Applications & Gaming” which leads you to “Port Range Forward”| or |“Forwarding” which leads you to “Applications & Gaming”|
NOTE: This is where each version of Linksys Firmware may differentiate.


6.Fill in the information as seen in the picture above for YOUR correct “IP Address” as copied into the notepad earlier.

The information is as follows (if applies, make sure enabled box is checked):

Application:Warcraft3
Start Port: 6112
End Port: 6119
Protocol TCP/Protocol UDP: Both Checked/Enabled
IP: YOUR IP or last 3 Digits (Depending on Linksys Firmware)

NOTE: Your IP address may not be the same every time you use this computer; therefore, you may have to fill in multiple IP Addresses, as shown above. Also, if you have multiple ports enabled, it may not work, so please make sure only the one you are using to host the game is “Enabled”

7. “Save Settings” and Exit the Browser. You may now host games as long as you have no other firewall blocking the program, if so, make sure Warcraft3 is put on the exceptions list. Otherwise, IF and ONLY IF no other programs, etc, are running disable the firewall. No Viruses/Spyware may be transferred through Warcraft III: Battle.net.
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post #2 of 11
Thread Starter 
These Ports work for other routers as well, you just need to locate the correct area to enable them!
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post #3 of 11
I had already done this and still could not host.
I recently found out that it was because of my dynamic IP (Doh!) that meant I wasn`t opening the ports for myself but another computer on the network with that corresponding IP.
The solution was simple: Force Windows to take a certain IP such as .105 and opening the ports for .105
post #4 of 11
Thread Starter 
That's a possible solution as well, but it also results in system vulnerability to anti-secure information, etc.
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post #5 of 11
when I run cmd i get this error:

C:\\WINDOWS\\system32\\cmd.com
The NTVDM CPU has encountered an illegal instruction.
CS:0053 IP: 0102 OP:ff ff 8a c4 8b Choose 'Close' to terminate the application.

help is much appreciated
post #6 of 11
Thread Starter 
What happens when you go to Start>Run>ipconfig -showall

or

Start>Run>ipconfig

It sounds like your computer's missing the command prompt. Are you on windows xp?
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post #7 of 11
ok...when i start>run>ipconfig a black screen apears for about 1/2 of a second in the middle of my screen, then disapears. And yes im on windows xp
post #8 of 11
In start/run you must type cmd, not ipconfig.

After typing in cmd a black window will appear (and stay) and in that window you type in ipconfig.

Hope this helps
post #9 of 11
Thread Starter 
Start run CMD is in the original, but during one windows patch you had to use start run ipconfig
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post #10 of 11
Thank You For Posting This!!
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