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From: ron@brl-sem.ARPA (Ron Natalie <ron>)
Newsgroups: comp.bugs.4bsd
Subject: Re: 4.3 /etc/shells
Message-ID: <475@brl-sem.ARPA>
Date: Thu, 13-Nov-86 20:18:01 EST
Article-I.D.: brl-sem.475
Posted: Thu Nov 13 20:18:01 1986
Date-Received: Thu, 13-Nov-86 23:07:36 EST
References: <1884@emory.UUCP> <1883@emory.UUCP> <550@mcgill-vision.UUCP>
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Organization: Electronic Brain Research Lab
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One reason is that /etc/shells is used for other stuff as well.
For example FTP will not allow FTP logins for accounts with non-standard
shells.  Some sites have accounts like "finger" or "who" which run with
a shell, uucp logins almost always invoke "uucico", you don't want people
to come in by some other non-login means to these accounts and be able
to bust out of the rather limited shell that they were given.

-Ron