Magnetar Posted April 21, 2009 Share Posted April 21, 2009 You guys know of any solution to the dos type attacks on hl2 based servers? My servers are getting hammered from these stupid hackers. Some of you guys might be being attacked and not know what it is. I keep banning their IPs but they get new ones, turned in 2 of them and they got their Comcast Service taken away. I can show you how thay are doing it. In PM staff only.... Link to comment Share on other sites More sharing options...
Defcon|Rich Posted April 22, 2009 Share Posted April 22, 2009 Firewall the subnet. Link to comment Share on other sites More sharing options...
Dan M Posted April 22, 2009 Share Posted April 22, 2009 Do you own your own firewall hardware or rely on the datacenters? if it's not frequent yourself / the datacenter can null route the attacks. Link to comment Share on other sites More sharing options...
Magnetar Posted April 23, 2009 Author Share Posted April 23, 2009 These attacks are on the game server port, the server thinks it is a client logging in to the game but the hack script they use floods the port with \a repeatedly. They go right through the firewall, it can't stop it with out closing the port. If they null route it takes your server offline which it what the hacker was trying to do so he succeeds in taking down your whole server box. Link to comment Share on other sites More sharing options...
Admin-Nation-Servers Posted April 23, 2009 Share Posted April 23, 2009 Those people must be very bored.... Link to comment Share on other sites More sharing options...
Todd Holley Posted April 24, 2009 Share Posted April 24, 2009 Those people must be very bored.... And there are plenty of them. Link to comment Share on other sites More sharing options...
Magnetar Posted April 28, 2009 Author Share Posted April 28, 2009 Figured it out and I fixed it, the DOS exploit does not work on my servers now. Anyone want me to test it on their HL2 based servers to see if they can be attacked? And I will tell you how to fix it too. Let me know. Link to comment Share on other sites More sharing options...
choppergirl Posted July 14, 2009 Share Posted July 14, 2009 I had something similiar happen on the Battlefield Demo servers. Whatever attack they were using would make the server respond with "server full" when you tried to connect to it, even though it wasn't, essentially keeping people from connecting to the server. Someone else had already figured out who it was, and I sent them a message saying they were 'busted', and knowing they had been discovered was enough to make them go away. Firewalling thier whole subnet seems like a good temp fix, until the code can be fixed. Link to comment Share on other sites More sharing options...
GodFather Posted July 21, 2009 Share Posted July 21, 2009 Don't forget the mods either. You can use Metamod/sourcemod plugins to stop that as well. At least, that's how I fixed my issues anyways. Link to comment Share on other sites More sharing options...
HIS-MOTHER Posted July 21, 2009 Share Posted July 21, 2009 You guys know of any solution to the dos type attacks on hl2 based servers? http://sourceop.com/modules.php?name=Downloads&d_op=viewdownload&cid=9 http://forums.alliedmods.net/showthread.php?t=95312 Link to comment Share on other sites More sharing options...
GodFather Posted July 21, 2009 Share Posted July 21, 2009 Yes, that's one Good work Link to comment Share on other sites More sharing options...
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