Opening ports to play counter strike: source

[parttimer88]

Bought a new wireless router and now I cant play counter strike: source. I am kicked from any server after only 30 seconds. Other games run off of steam such as team fortress 2 work fine online. I called router support and they said I need to find out which ports to open for counter strike from Steam. I have a ticket that is going unanswered for several days now asking that question. Can anyone on here direct me to this info so I can stop going through CS withdrawals? and if anyone from STEAM reads this... GET SOME PHONE SUPPORT!!! I DON'T WANT TO HEAR YOUR EXCUSES!!! This lack of response is very unprofessional!! The ticket system would be great if you guys ANSWERED them!! (NERD RAGING)

[Snoopy]

Have you searched the internet for info? Here's one link that may help...
http://findports.com/document.php?tag=counter-strike-source

[Legendary old man]

You should not normally need to forward ports to play CSS. The only reason you would normaly need to forward ports is if you plan on running a server. Have you tried messing with UPnP settings?

[parttimer88]

Problem solved. Steam was in offline mode. Turned it to online and I no longer get kicked from CS:S. It threw me off that all the other games worked ok online even with steam being in offline mode. Whatever. Thanks for the help fellas!!:)