How are you able to tell you're being attacked? I have a feeling my servers are being attacked as well, but I'm not sure how to be sure.
On Tue, Apr 3, 2012 at 2:34 PM, Mihály Rácz <racz...@gmail.com> wrote: > Hi. > > Its maybe helpfull. > > http://www.wolffiles.de/index.php?forum-showposts-44-p1#131 > > 2012. április 3. 19:26 Oskar Levin írta, <os...@dataviruset.com>: > > > I can confirm this as a big problem. I'm getting attacked by various Call > > of Duty 4 servers with big UDP packets. Someone spoofs my IP address and > > the reply of getstatus (or something similar) is sent to me. The packet > > which requests the info isn't big, but the reply is very large as this > > contains player information etc. > > > > Best regards > > Oskar Levin > > os...@dataviruset.com > > > > -----Ursprungligt meddelande----- > > Från: hlds_linux-boun...@list.valvesoftware.com [mailto: > > hlds_linux-boun...@list.valvesoftware.com] För Kyle Sanderson > > Skickat: den 3 april 2012 19:10 > > Till: Half-Life dedicated Linux server mailing list > > Ämne: Re: [hlds_linux] LOIC and UDP flood. How to protect? > > > > http://www.securityfocus.com/archive/1/522076 > > > > Isn't just LOIC... But yes, it's a bit ridiculous that you can take down > a > > server with just 1Mbit/s of traffic. Not much that can be done about it > > either. > > > > Hope for TCP, at least that way it's slightly more difficult to hide the > > spoofed sender from the destination. > > Kyle. > > > > 2012/4/3 Никита Булаев [Nikita Bulaev] <djfireb...@gmail.com> > > > > > The problem NOT in bandwidth. It's possible to kill server just in > 1Mbit. > > > > > > 3 апреля 2012 г. 20:05 пользователь > > > <hlds_linux-requ...@list.valvesoftware.com> написал: > > > > Message: 5 > > > > Date: Tue, 3 Apr 2012 10:07:09 +0200 > > > > From: lwf <l...@rocketblast.com> > > > > To: Half-Life dedicated Linux server mailing list > > > > <hlds_linux@list.valvesoftware.com> > > > > Subject: Re: [hlds_linux] LOIC and UDP flood. How to protect? > > > > Message-ID: > > > > < > > > ca++kgkr9cot1d7f+ddsfsrt9jwcs2gw+oitscblsikmzuqc...@mail.gmail.com> > > > > Content-Type: text/plain; charset=KOI8-R > > > > > > > > Without any help from your ISP there is nothing you can do about a > > > > bandwidth attack. > > > > > > > > 2012/4/3 [Nikita Bulaev] <djfireb...@gmail.com>: > > > >> In fact - no. Hoster, where we plase our root servers, wont filter > > > >> DoS and Flood, it just can do this for money. But this kind of > > > >> service is very expensive. > > > >> > > > >> <hlds_linux-requ...@list.valvesoftware.com> > > > >>> Message: 8 > > > >>> Date: Tue, 3 Apr 2012 13:22:49 +0800 > > > >>> From: "dmex" <dme...@gmail.com> > > > >>> To: "'Half-Life dedicated Linux server mailing list'" > > > >>> ? ? ? ?<hlds_linux@list.valvesoftware.com> > > > >>> Subject: Re: [hlds_linux] LOIC and UDP flood. How to protect? > > > >>> Message-ID: <000601cd1159$d2a73f30$77f5bd90$@gmail.com > > > > > > > > > > > >>> > > > >>>> > > > >>> Content-Type: text/plain; ? ? ? charset="us-ascii" > > > >>> > > > >>> DoS protection is the responsibility of your service provider, > > > >>> there's > > > not > > > >>> much Valve or even you can do to prevent attacks. > > > >>> > > > >>> -----Original Message----- > > > >>> From: hlds_linux-boun...@list.valvesoftware.com > > > >>> [mailto:hlds_linux-boun...@list.valvesoftware.com] On Behalf Of > > > >>> [Nikita Bulaev] > > > >>> Sent: Tuesday, April 03, 2012 12:32 PM > > > >>> To: hlds_linux@list.valvesoftware.com > > > >>> Subject: [hlds_linux] LOIC and UDP flood. How to protect? > > > >>> > > > >>> Well, for now DoSers are using LOIC in UDP-mode. There is no use > > > >>> to > > > silent > > > >>> this. > > > >>> > > > >>> The problem is that L4D1/2 servers are lagging while sending to > > > >>> them > > > UDP > > > >>> packets at 32-bit lengh by LOIC. > > > >>> This utility is using now almost by every DoSer and as for now > > > >>> there > > > is no > > > >>> defense from this, even by IPTABLES. The only way is using > > > >>> firewall > > > before > > > >>> root game servers. > > > >>> > > > >>> Friends! I'd like to be wrong! So is there a real working desigion > > > >>> to protect from LOIC UDP? > > > >>> > > > >>> Best regards, > > > >>> Nikita Bulaev > > > > > > _______________________________________________ > > > 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 > > > _______________________________________________ > 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