Date: Wed, 19 Dec 2001 18:44:05 +0200 From: Ruslan Ermilov <ru@FreeBSD.ORG> To: Maxim Konovalov <maxim@macomnet.ru> Cc: Yar Tikhiy <yar@FreeBSD.ORG>, net@FreeBSD.ORG, hackers@FreeBSD.ORG Subject: Re: Processing IP options reveals IPSTEALH router Message-ID: <20011219184405.A69668@sunbay.com> In-Reply-To: <20011219190533.W57795-100000@news1.macomnet.ru> References: <20011219181929.A20425@comp.chem.msu.su> <20011219190533.W57795-100000@news1.macomnet.ru>
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On Wed, Dec 19, 2001 at 07:23:55PM +0300, Maxim Konovalov wrote: > > Hello Yar, > > On 18:19+0300, Dec 19, 2001, Yar Tikhiy wrote: > > > Hi there, > > > > I ran into an absolutely clear, but year-old PR pointing out that > > a router in the IPSTEALTH mode will reveal itself when processing > > IP options: kern/23123. > > > > The fix proposed seems clean and right to me: don't do IP options > > at all when in the IPSTEALTH mode. Does anyone have objections? > > If no, I'll commit the fix. > > > > First of all we should decide what IPSTEALTH is for. Is it just a > Ruslan's net.inet.ip.decttl or it should really stealth the fact of > the routing? If the latter how do we behave in source routing case? > Do you have net.inet.ip.accept_sourceroute=1 on one of your publicly accessible routers? If so, could you please tell me its IP address? :-) Cheers, -- Ruslan Ermilov Oracle Developer/DBA, ru@sunbay.com Sunbay Software AG, ru@FreeBSD.org FreeBSD committer, +380.652.512.251 Simferopol, Ukraine http://www.FreeBSD.org The Power To Serve http://www.oracle.com Enabling The Information Age To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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