Date: Wed, 31 May 2000 13:05:46 -0500 From: "Jeremy L. Ramirez" <jramirez@xlinet.net> To: Visigoth <visigoth@telemere.net>, Mitch Collinsworth <mkc@Graphics.Cornell.EDU> Cc: freebsd-security@FreeBSD.ORG Subject: Re: icmp-response bandwidth limit Message-ID: <3.0.6.32.20000531130546.0094c160@200.8.8.2> In-Reply-To: <Pine.BSF.4.21.0005311240420.27679-100000@shell.telemere.ne t> References: <200005311729.NAA17118@larryboy.graphics.cornell.edu>
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Can also come from well known bandwidth measurement tools (bing, et al). I have seen this happen a few times. If not you then someone is probably snooping around looking for information, as Damieon said, not very nice. Good luck, Jeremy Ramirez jramirez@xlinet.net At 12:44 PM 5/31/2000 -0500, Visigoth wrote: >-----BEGIN PGP SIGNED MESSAGE----- >Hash: SHA1 > > > > This type of kernel message generally denotes one of two things, >neither of which are usually nice. icmp-response bandwidth limiting is >built into the kernel to lessen the effects of a ping flood, and are often >the result of being flooded, but I have also noticed that message due to >scans such as nmap. Either way, something happened that you will probably >want to know about... I might recomend installing ipfilter and logging >all traffic except your known/public services (and maybe even some of >those ;). > >Visigoth > > > >Damieon Stark >Sr. Unix Systems Administrator >visigoth@telemere.net > >PGP Public Key: www.telemere.net/~visigoth/visigoth.asc > >____________________________________________________________________________ > | >M$ -Where do you want to go today? | >Linux -Where do you want to go tomorrow?| FreeBSD - The POWER to serve >Freebsd -Are you guys comming or what? | http://www.freebsd.org > | > | >- ---------------------------------------------------------------------------- > >-----BEGIN PGP SIGNATURE----- >Version: PGPfreeware 5.0i for non-commercial use >Charset: noconv > >iQA/AwUBOTVBjznmC/+RTnGeEQK/ZgCaA49njCV3Mn0QmzzjViG7s9PUygUAoM6Y >jXN3p6dfTQJ4ieOpCN2YwB1i >=xWXK >-----END PGP SIGNATURE----- > > > >To Unsubscribe: send mail to majordomo@FreeBSD.org >with "unsubscribe freebsd-security" in the body of the message > > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message
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