PC Lan server problem

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kidown
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Joined: 08/05/2009
Posts: 8

I recently have been having problems with setting up lan server on the pc. Whenever i create a lan server on the pc only i can enter the server but the other computers in the network cannot(even tried hamachi). But when i tried doing a server with the laptop, everyone could enter the server. im guessing that something is wrong with my pc. if you could help me with this problem ill be very glad.

thanks in advance :)

hnkftalnot
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Joined: 10/14/2010
Posts: 262

I don't know much about networking, but I do know that you should provide more information in order for someone to help you. Like what kind of network you are running, which OSses are installed and what kind, type and purpose of server you are trying to set up.

kidown
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Joined: 08/05/2009
Posts: 8

oh ok.

the computer is running widows 7 ultimate 64-bit while the laptop is running windows 7 home premium 64-bit.
im running a Lan network within a router, 3 computers connected to it. the type of server dunno what that actually mean but its a lan server for a game(enemy territory quake wars) so that me and my buddies can join in the server and play together.

both systems use the onboard network card (gigabit ethernet). The PC worked in the past when i created a lan server but now it seems it doesnt (as i already posted, the other systems cant see the server in the list).

I hope this information is enough.

Flaviz
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Joined: 07/08/2010
Posts: 24

My first thought is port forwarding issues. Make sure that you have the port on your computer open in any installed firewalls on.

hnkftalnot
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Joined: 10/14/2010
Posts: 262

Ok so they only have to join through the router, and then find your gameserver?

Port forwarding only works for outside connections as far as I know, for the router to send traffic from outside (on a specific port) to some local address like 192.168.1.x .

I read that different speeds can be a problem, like when one pc is on 100Mb/s and another is on 1Gb/s, sometimes they can't see each other.

Firewalls can be an issue as well.

Can you ping to the other 2 computers?

kidown
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Joined: 08/05/2009
Posts: 8

well the router is built into the modem of my ISP. i did go to the ip of the modem but there was nothing for port forwarding. if port forwarding was a problem then joining a game from pc to laptop would be a problem since i can see the lan servers i make from laptop. right?

about pinging:

i tried pinging from pc to laptop and vice versa successfully so no problem there :/

they both have same speed since connected through internet with same modem and same network card.

kidown
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Joined: 08/05/2009
Posts: 8

so? :S

nilzxx
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Joined: 02/12/2007
Posts: 160

Sounds like a firewall problem to me. Try disabling any software firmwares or "internet-security" programs. Also, if your router has a DHCP function, make sure that's on.

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hnkftalnot
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Joined: 10/14/2010
Posts: 262

I was thinking about the type of network Win7 uses to apply firewall settings, like "home (trusted) network" and "public (untrusted) network". You get to choose from them when connect for the first time, maybe the problem lies there.

kidown
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Joined: 08/05/2009
Posts: 8

ill try playing with firewall stuff. i remember playing with them a few months ago coz i was trying to solve the homegroup problem(which i failed). so il let u know. :)

EDIT: OMG, turning off the firewall worked :s now i have to see where it blocks coz i cant have it off.. thx guys :)