Hello! I'm trying to host a server in order to play with friends but when i verify if my port is open i get this message error:

"Connection Timed out"

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This only happens with GoldSource Games (I tried also with Cs 1.6 but i get the same message)

Nowadays i'm hosting a Gmod Server. Everyday I check if my port is open or closed when i start my gmod and it works fine:


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I don't know why my sven coop server isn't working. If u can help me i'll appreciate it.