Date: Tue, 5 Apr 2005 03:32:01 +0200 (CEST) From: "Jesper Wallin" <jesper@hackunite.net> To: "Mike Silbersack" <silby@silby.com> Cc: freebsd-security@freebsd.org Subject: Re: Strange messages in dmesg after DDoS-attack. Message-ID: <1656.213.112.198.172.1112664721.squirrel@mail.hackunite.net> In-Reply-To: <20050404201428.C4511@odysseus.silby.com> References: <1614.213.112.198.172.1112663454.squirrel@mail.hackunite.net> <20050404201428.C4511@odysseus.silby.com>
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> > On Tue, 5 Apr 2005, Jesper Wallin wrote: > >> Dear list, >> >> A few days ago one of my machines were attacked by a DDoS-attack using >> UDP >> on random ports.. When I later on analyzed the logs, I found this in my >> dmesg: >> >> xl0: initialization of the rx ring failed (55) >> xl0: initialization of the rx ring failed (55) >> xl0: initialization of the rx ring failed (55) >> >> I tried to find out on google what it ment, but without any luck. What >> does that mean and how can I correct it (if it's a problem of course). >> >> >> Best regards, >> Jesper Wallin > > It means that we have a bug in the xl driver, probably nothing too > serious. Were there any other xl0 related messages, like "watchdog > timeout"? > > My guess is that we have a problem under high traffic conditions, and the > DDoS would qualify as that. > > Mike "Silby" Silbersack > Hi Mike, First of all, thanks for your reply.. Nope, as far as I can see, I only got 6 of those lines and nothing more. I have a fxp0 in my other server, would you recommend me to switch the NICs since the server using the xl0 got higher priority than the fxp0 one? Regards, Jesper Wallinhome | help
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