Date: Fri, 11 Apr 1997 18:50:27 -0500 From: "Jeffrey J. Mountin" <sysop@mixcom.com> To: tony@warp.co.uk Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Death Ping & 2.1.7.1R Message-ID: <3.0.32.19970411185027.00b70ac0@mixcom.com>
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At 05:58 PM 4/11/97 +0000, Anthony Barlow wrote: >I'm a little concerned with the problems people have been experiancing with >SCSI on FBSD 2.2.1R. Is 2.1.7.1R suceptable to the 'death ping' I recall in >an early message that 2.2.1 wasn't. Any system will be effected, especially if it is a flood. There is no real way to protect from a denial of service, but a system is considered vulernable if a large packet ping causes abnormal behaviour. Check out: http://www.sophist.demon.co.uk/ping/ and CERT advisory CA-96.26 for info. Interestingly the CERT says that 2.1.6 and -current were not vulnerable, but the Ping o' Death page states 2.1.0 and up. ------------------------------------------- Jeff Mountin - System/Network Administrator jeff@mixcom.net MIX Communications Serving the Internet since 1990
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