Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!linus!philabs!seismo!hao!hplabs!sri-unix!SJOBRG.ANDY%MIT-OZ@mit-mc From: SJOBRG.ANDY%MIT-OZ%mit-mc@sri-unix.UUCP Newsgroups: net.unix-wizards Subject: Security - suggested hack using chroot Message-ID: <2827@sri-arpa.UUCP> Date: Wed, 6-Jul-83 20:00:00 EDT Article-I.D.: sri-arpa.2827 Posted: Wed Jul 6 20:00:00 1983 Date-Received: Mon, 11-Jul-83 00:11:40 EDT Lines: 10 Under v7 (chroot is documented), chroot will NOT allow you to create secure systems....even if you change the root directory for a shell to /usr/guest, /usr/guest/.. will still be linked to /usr, and /usr/.. will still be linked to /!!!! Your suggestion is DANGEROUS! (under v7 - i haven't been able to test it under 4.1(due to lack of access...sigh)) Sorry to burst your bubble! -andy