Date: Sat, 4 May 2002 00:07:26 -0400 From: "Joe & Fhe Barbish" <barbish@a1poweruser.com> To: "FBSDQ" <questions@FreeBSD.ORG> Subject: RE: Ping of death? Message-ID: <LPBBIGIAAKKEOEJOLEGOAEJCCPAA.barbish@a1poweruser.com> In-Reply-To: <20020504025925.GB5805@icarus.slightlystrange.org>
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I believe this is a bug in 4.4 that gets fixed in 4.5. In the last 2-3 weeks this was discussed on the questions list. Check the archives for details. -----Original Message----- From: owner-freebsd-questions@FreeBSD.ORG [mailto:owner-freebsd-questions@FreeBSD.ORG]On Behalf Of Daniel Bye Sent: Friday, May 03, 2002 10:59 PM To: freebsd-questions@FreeBSD.ORG Subject: Re: Ping of death? On Fri, May 03, 2002 at 05:58:20PM -0500, Steven Lake wrote: > I've got one box that's got absolutely horrible access speed to > the net but it's on a T1 line and no other machine is sharing the line. > Telco has tested the line and sees nothing wrong but were unable to do a > bandwidth or data test to see if it's just traffic or not. > > The line should be pushing the full 1.544mbps, but I'm barely able > to scrape 30k out of it. Any machine that connects to it goes through the > roof on the processor useage and dogs out. So I'm suspect of a possible > ping of death, but I wanted to rule out the local equipment first. But > since anything connecting to it to test this is gagged it's impossible to > do any tests. > > Does anyone have a way to monitor incoming traffic to find out if > you're being hit with a dos attack or should I ring telco again and have > them do a test on the T1 line to find the source? Check out iplog in /usr/ports/net. tcpdump *may* be useful too. Dan To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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