Thanks a lot. I'm going to try it! :)
> Date: Tue, 31 Jan 2012 16:46:43 +0100 > From: [email protected] > To: [email protected] > Subject: Re: [hlds_linux] No Steam Logon - massive lag > > On 2012-01-31 16:31, Michael Johansen wrote: > > The rcon exploit is not being used here, and since I don't know so much > > about iptables I just left it open. > > iptables -A INPUT -i eth0 -p tcp -d SERVERIP --dport 27015 -j DROP > > > Well, I've been reading a lot about this issue since no-body wants to help, > > and out of the threads i've read 28 and 46 are the most used sizes for > > these attacks. > > iptables -A INPUT ! --fragment -p udp -d SERVERIP --dport 27015 -m u32 > --u32 "0 >> 22 & 0x3C @ 8 = 0x33424521 && 0 >> 22 & 0x3C @ 12 = > 0x6f647936" -j DROP > iptables -A INPUT -p udp -d SERVERIP --dport 27015 -m length --length 28 > -j DROP > > this blocks one very specific program used to attack the servers - may > not be necesary now but iptables should be able to drop them in less cpu > cycles than srcds > > _______________________________________________ > To unsubscribe, edit your list preferences, or view the list archives, please > visit: > https://list.valvesoftware.com/cgi-bin/mailman/listinfo/hlds_linux _______________________________________________ To unsubscribe, edit your list preferences, or view the list archives, please visit: https://list.valvesoftware.com/cgi-bin/mailman/listinfo/hlds_linux
