A syn-flood is a TCP attack, SRCDS queries and game data goes via UDP. In theory it could be a syn-flood attack on the RCON port but that would cause the machine to slow down (as the OS handles the syn's), not the game process only. It sounds like someone was sending you lots of query packets, when you see it next time try out those cvars that Andreas posted.
- Alfred > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:hlds- > [EMAIL PROTECTED] On Behalf Of Tony Paloma > Sent: Monday, April 21, 2008 9:54 AM > To: 'Half-Life dedicated Win32 server mailing list' > Subject: Re: [hlds] New server attack/exploit? > > Would a synflood affect the performance of srcds? Whatever it was was > causing srcds to spend tons of time between/during ticks and thus > severely > reducing the FPS. Nobody was on the server which is why I thought it > might > be queries but it could be something else like spamming connection > attempts > or something -- I have no idea. > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Gary Stanley > Sent: Sunday, April 20, 2008 11:20 PM > To: [email protected] > Subject: Re: [hlds] New server attack/exploit? > > At 01:12 AM 4/21/2008, Tony Paloma wrote: > >My TF2 server is currently under attack and is being brought to its > knees. > >The network graph shows lots of incoming data and the server is empty > >running at 10.0fps. I think somebody is spamming queries or something, > but > >I'm not sure. Anybody know anything about this? > > probably synflood. Put up a sniffer and see. > > > Gary Stanley - [EMAIL PROTECTED] - [EMAIL PROTECTED] > > http://leaf.dragonflybsd.org/~gary > > "Put your hand on a hot stove for a minute, and it seems like an hour. > Sit with a pretty girl for an hour, and it seems like a minute. > THAT'S relativity." - Albert Einstein > > > > _______________________________________________ > To unsubscribe, edit your list preferences, or view the list archives, > please visit: > http://list.valvesoftware.com/mailman/listinfo/hlds > > > _______________________________________________ > To unsubscribe, edit your list preferences, or view the list archives, > please visit: > http://list.valvesoftware.com/mailman/listinfo/hlds _______________________________________________ To unsubscribe, edit your list preferences, or view the list archives, please visit: http://list.valvesoftware.com/mailman/listinfo/hlds
