Date: Thu, 19 Mar 1998 23:37:09 -0800 From: David Greenman <dg@root.com> To: Bill Fenner <fenner@parc.xerox.com> Cc: freebsd-bugs@hub.freebsd.org Subject: Re: kern/6059: Packets from 1.1.1.1 can crash 2.2 server Message-ID: <199803200737.XAA16035@implode.root.com> In-Reply-To: Your message of "Thu, 19 Mar 1998 23:20:03 PST." <199803200720.XAA11679@hub.freebsd.org>
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>The following reply was made to PR kern/6059; it has been noted by GNATS. > >From: Bill Fenner <fenner@parc.xerox.com> >To: FreeBSD-gnats-submit@freebsd.org >Cc: toasty@dragondata.com >Subject: Re: kern/6059: Packets from 1.1.1.1 can crash 2.2 server >Date: Thu, 19 Mar 1998 23:17:13 PST > > Ok, I let the SYN attack run for 6 hours; at 30 packets per second, > that was somewhere in the neighborhood of 648,000 SYN packets. No > messages, no crash. The only indication that anything was going on was > that my firewall administrator yelled at me =) > > Maybe if we can figure out how you produced the arpresolve error there'll > be some way to replicate this. It looks to me like the machine in question ran out of mbuf clusters and paniced due to one of the bugs related to that. I think all will be well if NMBCLUSTERS is increased. -DG David Greenman Core-team/Principal Architect, The FreeBSD Project To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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