Avoid “Denial Of Service” Attacks
In several top matches (especially ones being video casted) we have seen servers being attacked, making the servers lag so much (or go down) so it’s impossible for the players to play. Well, now we can avoid this!
A new plug-in has been made by a guy called Drunken F00l. It’s simple to install (FTP access to the server is required), and it will block any user trying to DoS attack your server.
Put the files into your “addons” directory. Then restart your server.
PS : There is a mistake in the dosattackfix.vdf file for linux server.
You have to edit it, and remove the .dll at the end.The file should looks like this :
“Plugin”
{
“file” “..\cstrike\addons\daf\bin\dosattackfix”
}
Installing the plug-in will automatically enable it. However, you can disable it by using rcon daf_enable 0
Click to Download the plug-in.
Source: cadred.org
11 Comments
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Seeing that it is a really important issue, I guess VALVe will fix it with today/tommorow TF2 update.
lol AnAkIn you have a lot of trust in Valve making their update deadline 😀
Well they announced on last Friday that they would release an update on early this week, so I think they’ll do.
They usually don’t respect their deadline when they announce things a long time before…
This weeks supposed update is the delay from last weeks update!
I used iptables to block zero-length UDP packets. There was an example on the hlds_linux mailing list. No need for a plugin that way. You would need root access to your server though 😉
Can we get the source code to this? I don’t want to install anything on my server until a coder has checked it tbh, not sure whats in it.
No info about what the plug-in exactly does, no source code either. Just a “hey guyz install my plugin to protect yourself from some DoS attack”. I’d rather add a iptables rule than some shoddy black box software if it’s that easy to prevent the attack.
And Valve is quick to fix crashing bugs once they start getting spread anyway
The crashing bug has been there for months (probably since the release of TF2). Funny how some of you have faith in Valve still.
The DoS exploit has only been released in the last week/last 2 weeks.
I remember the SWE vs FIN game where they managed to crash the server several times. A month before that this was posted on HLDS mail list: http://www.mail-archive.com/hlds@list.valvesoftware.com/msg28299.html (and from the SWE-FIN game: http://tf2.reve.fi/fi_swe.txt )
I reckon it might not be the same bug as the one mentioned in this post, but it shows that Valve usually don’t fix these kinda things quickly.
That has nothing to do with the DoS exploit, and if you look at the link you just posted, a VALVe developer posted twice to help fixing the bug (Eric Smith), and it was caused by a plugin. 🙂