Hosting Multiplayer Games

Posted on 2004-09-10
Last Modified: 2010-04-11
i have a problem with hosting multiplayer games on the internet. i am trying with civilization 3. my computer set-up is a cable internet connection DIRECTLY into my computer, then there are two other computers on a lan that share the internet connection. so it goes INTERNET>MYCOMPUTER>ROUTER>OTHERCOMPUTERS. in my network connections folder I have two local area connection listed and i think 1 is my internet connection and 1 is my lan (when I disable 1 the lan doesn't work and when I disable the other the internet doesn't work). when i type ipconfig in msdos is get 2 ip addresses, 1 starts with 82 and the other starts with 192. plz help. PS. i hav Win XP
Question by:cheezy102
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Author Comment

ID: 12030431
i jus remembered to add: I have disabled the windows xp firewall and I use mcafee personal firewall. It makes no difference if I disable mcafee or not.
LVL 34

Expert Comment

ID: 12030635
Well, I wouldn't disable McAfee. The average lifespan of an unprotected Windoze box on the 'Net is about 20 minutes. After that, you can reasonably expect it to be h4x3d and 0wn3d by some script kiddie in Peoria, or maybe Prague. They'll have your 'botted machine participating in DDOS attacks or sending SPAM before you can say "Blue Screen of Death". Hopefully you didn't have it unprotected long enough to be zombied (and yes, with SP2, its still vulnerable).

The 192.168.x.y address is your "private", non-routable IP address, probably the one used by the other computers sharing your Internet connection. The other 82.z.z.z  address is your "public", routable IP address, probably provided via your ISP. Its how your primary computer talks on the Internet.

I'm not familiar with CivIII (I used to play the Civ board game) - are you sure its listening on the Internet address, and that its ports are open? I have no idea what ports it wants open - consult the documentation.

Author Comment

ID: 12031839
how would i know if the ports are open?

Author Comment

ID: 12031873
To Join a game: According to the Gamespy FAQ (and the PTW readme - thanks Shou), the following ports must be opened.
6667 (IRC)
3783 (Voice Chat Port)
27900 (Master Server UDP Heartbeat)
28900 (Master Server List Request)
29900 (GP Connection Manager)
29901 (GP Search Manager)
13139 (Custom UDP Pings)
6500 (Query Port)
2302 (DirectPlay - UDP)
To Host a game: Your ISP (and your firewall) must allow you to act as server on the following ports:
13139 (Custom UDP Pings)
6500 (Query Port)
2302 (DirectPlay - UDP)
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Author Comment

ID: 12031877
i forgot to add i can already join a game

Author Comment

ID: 12031955
ok, i found out how to open ports, but when i go to open 1, i get a big list of options:

Program Name
Program Category (greyed out)
Incoming TCP/IP Ports
Outgoing TCP/IP Ports
Incoming UPD Ports
Outgoing UPD Ports

how do i know which of the 4 port slots to put the port nuber in?

Author Comment

ID: 12033809
i hav just thought, how can it be the port settings if i disabled the firewall and it still didn't work?
LVL 34

Accepted Solution

PsiCop earned 500 total points
ID: 12034666
If you open the ports in your machine's firewall but people outside your network still cannot connect, your ISP may be blocking one of more of the ports. Ask them what restrictions are on your connection.

Author Comment

ID: 12135173
yes, it was my isp, they dont allow me to host games, thanks

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