Date: Sat, 20 Apr 2013 07:48:35 -0700 From: Adrian Chadd <adrian@freebsd.org> To: Marcelo Gondim <gondim@bsdinfo.com.br> Cc: freebsd-stable@freebsd.org Subject: Re: Possible DoS in mpd 5.6 pppoe server Message-ID: <CAJ-Vmomvy77_zvbTDfdz=d1KZ8y_M=K8wXJtmf=2kYAX8MExKA@mail.gmail.com> In-Reply-To: <5172965A.9080600@bsdinfo.com.br> References: <5172965A.9080600@bsdinfo.com.br>
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Can you provide more information about the configuration of mpd and ppp? the panic is in the dummynet code; can you provide information about your ipfw/dummynet setup? Thanks, adrian On 20 April 2013 06:21, Marcelo Gondim <gondim@bsdinfo.com.br> wrote: > Hi all, > > I'm doing tests with mpdas pppoeserver. Tried to simulate an attack of 1000 > connections using an incorrect login and after a certain time can cause a > kernel panic in the system. Below the panicgenerated: > > http://pastebin.com/nUXGVR3y > > Other equipment I do: > > # for (( i=0; i < 1000; i++ )); do ppp -ddial intnet ; done > > My System: > > Intel Motherboard Server S5500BC with Dual Processor Xeon(R) CPU E5606 @ > 2.13GHz > 8Gb ram > > I do not understand programming in Cor Assembly. But could someone tell me > if what happened was a system problem or hardware? > > Best regards, > > Gondim > > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org"
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