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Date: Fri, 13 Jul 2007 22:04:20 +0200 From: Paul Sebastian Ziegler <psz@...erved.de> To: full-disclosure@...ts.grok.org.uk Subject: White Paper - Chrooting sshd Sometimes it may become profitable or necessary to jail the ssh daemon within a chroot. Unluckily there aren't many papers out there that explain the process of creating an appropriate jail and resolving all the necessary dependencies and errors. This paper will show you how to successfully jail sshd itself. Opposed to many other papers out there it does not try to jail the users after logging in but rather put the entire daemon into the jail. This approach is interesting for anybody paranoid enough to want to protect against remotely exploitable flaws in the used sshd. Blog-Entry: https://observed.de/?entnum=55 Download-Area: https://observed.de/index.html?download Paper: https://observed.de/upfiles/chroot_sshd_linux.pdf Feedback, corrections and constructive criticism are always welcome. Many Greetings Paul Sebastian Ziegler _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/
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