From owner-freebsd-hackers Sun Jun 23 2: 7: 9 2002 Delivered-To: freebsd-hackers@freebsd.org Received: from scaup.mail.pas.earthlink.net (scaup.mail.pas.earthlink.net [207.217.120.49]) by hub.freebsd.org (Postfix) with ESMTP id 87A3F37B400 for ; Sun, 23 Jun 2002 02:07:04 -0700 (PDT) Received: from pool0056.cvx21-bradley.dialup.earthlink.net ([209.179.192.56] helo=mindspring.com) by scaup.mail.pas.earthlink.net with esmtp (Exim 3.33 #2) id 17M3Kk-0003Y0-00; Sun, 23 Jun 2002 02:06:58 -0700 Message-ID: <3D158F8C.8AA61132@mindspring.com> Date: Sun, 23 Jun 2002 02:06:20 -0700 From: Terry Lambert X-Mailer: Mozilla 4.7 [en]C-CCK-MCD {Sony} (Win98; U) X-Accept-Language: en MIME-Version: 1.0 To: Joshua Lee Cc: root@utility.clubscholarship.com, freebsd-hackers@freebsd.org Subject: Re: inuring FreeBSD to the apache bug without upgrading apache ? References: <20020620141424.U68572-100000@utility.clubscholarship.com> <3D129688.356A87D0@mindspring.com> <20020623003014.1575c491.yid@softhome.net> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit 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 Joshua Lee wrote: > Terry Lambert wrote: > > Patrick Thomas wrote: > > > Is it possible to patch/recompile FreeBSD 4.5 in such a way that your > > > system is no longer vulnerable to the "chunking" attack, even if you are > > > still running a vulnerable apache ? > > > > Not FreeBSD, but it's possible to reconfigure Apache. > > > > The way you would deal with this would be to tell Apache that it > > was an HTTP 1.0 server, since chunking is an HTTP 1.1 feature. > > I've found a better solution! On today's freshports there is something > called mod_blowchunks :-) If installed, it will reject chunking and log > it. This is an alternative to upgrading Apache. But if a client uses chunking legitimately, and does so becuase it believes it's talking to an HTTP server, you've just broken that client's ability to POST/PUT. -- Terry To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message