From owner-freebsd-hackers Wed Dec 19 8:24: 2 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from relay1.macomnet.ru (relay1.macomnet.ru [195.128.64.10]) by hub.freebsd.org (Postfix) with ESMTP id F404337B405; Wed, 19 Dec 2001 08:23:56 -0800 (PST) Received: from news1.macomnet.ru (maxim@news1.macomnet.ru [195.128.64.14]) by relay1.macomnet.ru (8.11.3/8.11.3) with ESMTP id fBJGNtY2684655; Wed, 19 Dec 2001 19:23:55 +0300 (MSK) Date: Wed, 19 Dec 2001 19:23:55 +0300 (MSK) From: Maxim Konovalov To: Yar Tikhiy Cc: net@FreeBSD.ORG, Subject: Re: Processing IP options reveals IPSTEALH router In-Reply-To: <20011219181929.A20425@comp.chem.msu.su> Message-ID: <20011219190533.W57795-100000@news1.macomnet.ru> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG 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? -- Maxim Konovalov, MAcomnet, Internet-Intranet Dept., system engineer phone: +7 (095) 796-9079, mailto: maxim@macomnet.ru To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message