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Discussion Starter · #1 ·
I just bought Half-Life 2 with counterstrike source and half life 2 deathmatch and after updating everything I started up the game. When I go to find servers it says nothing is showing up. Anyways my problem is that I have a router. I'm trying to port foward but I don't know how. The steam (people who made Half-Life 2) support offered this as a solution.

Which ports must be open in order to use Steam?

Question
Which ports must be open in order to use Steam?

Answer

The following ports must be open in your firewall and router for Steam and Steam Games to work:
UDP 1200 (used for friends service)
UDP 27000 to 27015 inclusive
TCP 27020 to 27050 inclusive
Computers running Dedicated Servers need these ports open:
UDP: 27015 and 27020 (default HLDS, SRCDS and HLTV port)
TCP: 27015 (SRCDS Rcon port)
If your server uses a different hostport then you will need to adjust the above accordingly.
For help on port forwarding for your Router, please consult this excellent website: http://www.portforward.com.
For assistance with your Firewall you will need to go to the support site for your particular Firewall.
NOTE: Windows XP SP1 firewall does not require any specific configuration changes for Steam Clients to work, but for Source Dedicated Servers you must open TCP Port 27015 (or whichever port your server is using) for RCON to work!

I'm at www.portfowarding.com and I'm using the steps for my router (DI-524). The link to that router's instructions are here.

http://www.portforward.com/dlink/di...tforwarding.htm

I'm on step 6 and I have no idea what I'm supposed to do. Any help would be GREATLY appreciated.

NOTE: THIS WAS ORIGINALLY IN THE GAME SECTION BUT SINCE IT INVOLVED PORT FOWARDING I FIGURED YOU GUYS WOULD KNOW WHAT TO DO.
 

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You need to connect to the router, typically through your web browser.

Then you need to forward all the required ports to the local IP address of whichever computer you need.

Some routers call it Port Forwarding. Some routers call it Virtual Server. Check with the documentation or from the manufacturer's web site.
 

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According to Step 6 on the site you listed,

You would need to enter:

A description for the port being forwarded
For the Private IP, you enter in the IP address which is the computer's LAN IP
For the Private and Public Port enter the ones you have in the first post

Keep doing this for all the ports for all the computers.
 

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Discussion Starter · #5 ·
Thankyou! The problem I was having was, since I don't know a lot about networking, that I didn't know what Private and Public ports and all that meant. Thankyou very much sir.
 

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Please note that when doing port forwarding you probably will want to hardcode the IP of the PC your using (unless its the only PC on the network or your router (dhcp server) is set to give a specific IP to only that specific machine).

What you don't want is to have IP X.X.X.X and set that up as port forwarded turn off your PC have someone else log on get X.X.X.X and turn on your gaming PC and get X.X.X.Y. You won't be able to get to your gaming servers that way.

Just a thought to consider.
 

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Discussion Starter · #9 ·
Also, in this situation, what is the private ip? what is the public port? What is the private port. For instance is the private ip the ip's that were given to me by steam to open or are the private ip's my ip? If you could do something like this it would help:
Private IP: blah.blah.blah
Public port: blah.blah.blah
Private port: blah.blah.blah
 

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Discussion Starter · #10 ·
UDP 27000 to 27015 inclusive
TCP 27020 to 27050 inclusive

What does that mean? Do I have to enter in every one of those ports. 27000, 27001, 27002, etc... What does UDP mean and do I have to type it in? What does inclusive mean and does it effect me? Sorry, I'm good with computers but I know NOTHING when it comes to networking.
 

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Private IP would be your internal lan.

Public port is the port its coming in on private port is the port of your LAN.

If you want to find out your current ip. and your running windows Xp you need to go to start/run/ type in cmd and hit enter in the black box type in ipconfig and it will give you your PC's current IP address.

UDP and TCP are the 2 types of packets usually I set mine to forward both.

Also in the item you showed you can do a blanket 27000 to 27050 and this way your not wasting 1 line in your config. It leaves 27015-20 open but thats not many ports.
 

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What do you mean "But I don't know the IP I want to forward"?

If you mean the external IPs coming in then just follow the example on the link provided to you earlier in the thread (http://support.dlink.com/faq/view.asp?prod_id=1200); see the screen dump for step 7. Basically as '*' appears to mean all external IPs that's your answer.

If you mean you don't know what IP you want to forward TO, well only you can know that! :) It'll be the LAN IP address of the PC running whatever service/game it is you are trying to use with port-fowarding.
 
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