Date: Thu, 30 Aug 2007 16:05:50 -0400 From: "Chris Buechler" <cbuechler@gmail.com> Cc: freebsd-pf@freebsd.org Subject: Re: ping of death Message-ID: <d64aa1760708301305u790a1bc6p8a742816d76789d2@mail.gmail.com> In-Reply-To: <107702.63851.qm@web53701.mail.re2.yahoo.com> References: <107702.63851.qm@web53701.mail.re2.yahoo.com>
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On 8/30/07, Lorenz Helleis <lorenzhelleis@yahoo.com.br> wrote: > Nessus give it to me: > > Mensagem: > The machine crashed when pinged with an incorrectly fragmented packet. > This is known as the 'jolt' or 'ping of death' denial of service attack. > > An attacker may use this flaw to shut down this server, > thus preventing you from working properly. > > Solution : contact your operating system vendor for a patch. > > How can i fix this using pf ?? > You'll have to be a whole lot more specific - did a machine actually crash? If not, that's a false positive from Nessus. If so, what machine crashed? One running FreeBSD with pf? One behind a firewall running FreeBSD with pf? -Chris
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