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From: vixie@decwrl.dec.com (Paul A Vixie)
Newsgroups: news.admin,news.sysadmin,comp.mail.uucp
Subject: Re: Dangerous hole in Usenet!
Message-ID: 
Date: 30 Nov 88 05:59:11 GMT
References: <1971@van-bc.UUCP> <572@comdesign.CDI.COM> <5517@medusa.cs.purdue.edu> <561@redsox.UUCP> <215@twwells.uucp> <155@ecicrl.UUCP> <2683@epimass.EPI.COM>
Sender: vixie@decwrl.dec.com
Organization: DEC Western Research Lab
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In-reply-to: jbuck@epimass.EPI.COM's message of 29 Nov 88 20:01:39 GMT

# You are now root, and you can do another chroot to gain access to the
# whole system.

Chroot is not reversable.  Once you're down, you can't see what was above
anymore and therefore there's no way to tell chroot where you'd like to go.
--
Paul Vixie
Work:    vixie@decwrl.dec.com    decwrl!vixie    +1 415 853 6600
Play:    paul@vixie.sf.ca.us     vixie!paul      +1 415 864 7013