HL2 Co-op...where is the thread?

[infin|ty]

There was a thread right after HL2 came out where you could play HL2 with other people cooperatively by connecting to their server or something. Can anyone help me out?

 

[fabianoag]

the thread was deleted because the program the thread author posted was a trojan

 

[Jesus Lincoln]

It sucks. Balls. Wait for sven