DoS Attacks Hitting TF2 Servers

Well guys by now most of us have been hampered by timeouts while playing and as initially thought that it was a problem after update we can say that DDoS attacks are on TF2 SA servers.  Just get you an explanation of whats going on let me get you guys a reference from the vanillatf2.org site:

“For the past couple of months, the European TF2 scene has been under attack of a rather old DoS exploit that exists in all servers running the Orange Box engine. The script kiddie floods the server with bogus requests for the server and player info. Responding to these requests takes about 4 times as much bandwidth and much more CPU power than asking for it. This makes it possible for a single attacker to take down a gameserver.”

Please guys increase your timeout value in console and you will still remain on the server type in console “cl_timeout 180” you can even make 500 if you want but really 180 seconds it’s good enough as the default value its 30. It sure seems these attacks are automated and only last 30/35 seconds, the default timeout period for players IIRC.

We will follow some of the guidelines to fix the problems but so far on the Euro scene has worked only temporaly and as soon as servers get players on the attacks occur but there are still some work arounds ok.

We will keep you informed.

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Cr4cKenS
Cr4cKenS
9 years ago

O_o that sucks

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Admin
9 years ago

The initial Fix worked, but we cant use it is not a solution so i had to remove.

It was “hide_server 1”, this allowed the servers to not get DDOS’d but at the same time hid the servers from the Steam Master, meaning it wouldnt show up on steam browser at all and at the same time it would not connect to the Sourcemod Controller leaving the servers without admin. So it works but it not ideal.

It seems that this problem is mainly happening on Servers with passwords on them, so I have temporarily removed all passwords from our Match/Pickup Servers. Can players please use them and monitor the situation until Valve release some sort of fix for this.

'kl
'kl
9 years ago

Don’t know who’s doing it?

seamonkey
seamonkey
9 years ago

A 14 year old can do this and no one can fix it? That’s crazy. 😛

'kl
'kl
9 years ago

Improved engine handling of server queries

Think it’s been fixed

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