Date: Sun, 21 Apr 2013 00:33:01 +0700 From: Eugene Grosbein <egrosbein@rdtc.ru> To: Marcelo Gondim <gondim@bsdinfo.com.br> Cc: freebsd-stable@freebsd.org Subject: Re: Possible DoS in mpd 5.6 pppoe server Message-ID: <5172D14D.8040009@rdtc.ru> In-Reply-To: <5172CFB2.3010708@bsdinfo.com.br> References: <5172965A.9080600@bsdinfo.com.br> <5172BDDD.4010509@rdtc.ru> <5172CFB2.3010708@bsdinfo.com.br>
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On 21.04.2013 00:26, Marcelo Gondim wrote: >> You seem to use dummynet and the problem is not in mpd/pppoe code, >> it's it the dummynet code. Look at http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/162558 >> for workarounds. > Ok :) I will try this: > > - net.isr.bindthreads=1 in /boot/loader.conf; > - net.isr.direct=1 and net.isr.direct_force=1 in /etc/sysctl.conf For 9.x and newer, net.isr.XXX knobs names have changed but defaults are fine - if you have not messed them, you should be OK.
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