X-Recipient: archive-cygwin AT delorie DOT com X-Spam-Check-By: sourceware.org Date: Fri, 5 Dec 2008 15:14:44 +0100 From: Corinna Vinschen To: cygwin AT cygwin DOT com Subject: Re: Finally managed to create a jailed SFTP server, but how secure? Message-ID: <20081205141443.GS12905@calimero.vinschen.de> Reply-To: cygwin AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com References: <493568B8 DOT 3010308 AT cygwin DOT com> <49376 DOT 99112 DOT qm AT web34702 DOT mail DOT mud DOT yahoo DOT com> <20081202231141 DOT GA5449 AT ednor DOT casa DOT cgf DOT cx> <451120 DOT 45664 DOT qm AT web34703 DOT mail DOT mud DOT yahoo DOT com> <4935DD4B DOT 7050907 AT cygwin DOT com> <690548 DOT 2534 DOT qm AT web34702 DOT mail DOT mud DOT yahoo DOT com> <4936FEA1 DOT 705 AT cygwin DOT com> <828494 DOT 98789 DOT qm AT web34707 DOT mail DOT mud DOT yahoo DOT com> <5E25AF06EFB9EA4A87C19BC98F5C87530208D531 AT core-email DOT int DOT ascribe DOT com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.16 (2007-06-09) Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com On Dec 5 10:43, Julio Emanuel wrote: > If it is so, Corinna, maybe the implementation is in a bit better > shape than you remember? Can you confirm that this is result from > chroot implementation in cygwin dll? (just morbid curiosity, at this > stage :) THis isn't a question of being good or badly implemented, it's the simple fact that it doesn't (and can't) provide what people think it does. Chroot is a bad fake on Cygwin. Even a super cool implementation doesn't change that. > But regarding this SFTP > implementation, what I (and TheO too, I suppose) want to know is not > the myriad of ways that security can go wrong; but only if the chroot > filtering (strictly inside of SFTP implementation) is honored. Given that chroot is implemented within Cygwin, SFTP has nothing to do with it. However, this is EOD for me. You have been warned. Feel free to use it, but I, for one, wouldn't. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Project Co-Leader cygwin AT cygwin DOT com Red Hat -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/