Seeing that dump looks like you can profile it by ttl , id and packet content..
you can eventually ratelimit the A2S_PLAYER (https://developer.valvesoftware.com/wiki/Server_queries) packets to a very low number like they did here: http://forums.srcds.com/viewtopic/16140 Il 21/05/2012 22:44, Ivan Ivanov ha scritto: > Ok. Here you go: http://pastebin.com/TDTufV1s > > > > > > > > -------- Оригинално писмо -------- > > От: Mart-Jan Reeuwijk [email protected] > > Относно: Re: [hlds_linux] [hlds] HLDS ddos attacks [spoofed IPs] > > До: Half-Life dedicated Linux server mailing list > > > Изпратено на: Събота, 2012, Май 19 16:51:06 EEST > > > /facepalm > > > > please use things like pastebin sites to put such data on, and link people to > that.. > > > > > > > >> ________________________________ >> From: Ivan Ivanov [email protected] > >> To: Half-Life dedicated Linux server mailing list >> [email protected] > >> Sent: Saturday, 19 May 2012, 9:39 >> Subject: Re: [hlds_linux] [hlds] HLDS ddos attacks [spoofed IPs] >> Here's part of the tcpdump: >> 02:11:17.138473 IP (tos 0x0, ttl 27, id 19245, offset 0, flags [DF], proto >> UDP (17), length 37) 59.31.122.64.27005 > my.ip.27015: [no cksum] UDP, >> length 7 > _______________________________________________ > > 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 _______________________________________________ To unsubscribe, edit your list preferences, or view the list archives, please visit: https://list.valvesoftware.com/cgi-bin/mailman/listinfo/hlds_linux

