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Date:      Fri, 30 Jan 2015 01:20:56 +1100 (EST)
From:      Ian Smith <smithi@nimnet.asn.au>
To:        jungle Boogie <jungleboogie0@gmail.com>
Cc:        freebsd-security@freebsd.org, Nick Frampton <nick.frampton@akips.com>
Subject:   Re: FreeBSD Security Advisory FreeBSD-SA-15:02.kmem
Message-ID:  <20150130011402.P36378@sola.nimnet.asn.au>
In-Reply-To: <CAKE2PDsC8dvx23H5DZ_b90F7PmPr3LB8kyw68SbuHgF4Hb%2BnkA@mail.gmail.com>
References:  <mailman.92.1422446402.71362.freebsd-security@freebsd.org> <20150128194011.2175B19F@hub.freebsd.org> <20150128211910.80082283DA18@rock.dv.isc.org> <54C966BF.9000803@rewt.org.uk> <54C9837C.8090704@akips.com> <CAKE2PDsC8dvx23H5DZ_b90F7PmPr3LB8kyw68SbuHgF4Hb%2BnkA@mail.gmail.com>

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On Wed, 28 Jan 2015 17:01:50 -0800, jungle Boogie wrote:
 > Hi Nick,
 > On Jan 28, 2015 4:56 PM, "Nick Frampton" <nick.frampton@akips.com> wrote:
 > >
 > > On 29/01/15 08:46, Joe Holden wrote:
 > >>
 > >> Really, how many SCTP users are there om the wild... maybe one?
 > >>
 > >> It shouldn't be in GENERIC at the very least!
 > >
 > >
 > > We use Netflow over SCTP in our network monitoring product, so it would
 > be a pain to have to build a custom kernel.
 > 
 > But also a pain to have an exploit when it could be prevented.

Are you vulnerable to an SCTP exploit if you're not using SCTP?

 > Its all about trade offs, right?

I seem to recall similar resistance to including IPv6 into GENERIC ..

It _would_ be good to know more about who's using SCTP, and for what 
usage cases it has tangible benefits over TCP, but I guess not here.

cheers, Ian



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