From owner-freebsd-security Thu Feb 14 5:34:57 2002 Delivered-To: freebsd-security@freebsd.org Received: from whale.sunbay.crimea.ua (whale.sunbay.crimea.ua [212.110.138.65]) by hub.freebsd.org (Postfix) with ESMTP id D750937B416; Thu, 14 Feb 2002 05:34:45 -0800 (PST) Received: (from ru@localhost) by whale.sunbay.crimea.ua (8.11.6/8.11.2) id g1EDYGp72071; Thu, 14 Feb 2002 15:34:16 +0200 (EET) (envelope-from ru) Date: Thu, 14 Feb 2002 15:34:16 +0200 From: Ruslan Ermilov To: kurnik@kurnik.pl Cc: Jonathan Lemon , freebsd-security@FreeBSD.org Subject: Re: FreeBSD 4.5 syncache problem Message-ID: <20020214153416.C62857@sunbay.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.3.23i Sender: owner-freebsd-security@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org On Thu, Feb 14, 2002 at 02:12:47PM +0100, kurnik@kurnik.pl wrote: > Hi! > > I'd like to migrate my Linux powered server to FreeBSD 4.5 but there's > a critical syncache related bug that makes it easy to remotely cause > kernel panic on any server running FreeBSD 4.5. > (more on this bug at www.freebsd.org/cgi/query-pr.cgi?pr=kern/34658) > > My questions: > > 1. Is there a simple way to fix this problem? (e.g. disabling syncache, > whatever) > > 2. Is it a good idea to run FreeBSD 4.5 on a server or should I consider > some older releases like 4.4 or 4.0? > See if revision 1.11 of sys/netinet/tcp_syncache.c fixes the problem. Cheers, -- Ruslan Ermilov Sysadmin and 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-security" in the body of the message