Date: Mon, 26 Jan 1998 20:53:31 +0200 From: Ruslan Shevchenko <Ruslan@Shevchenko.kiev.ua> To: Keith Jones <keith@blueberry.co.uk> Cc: Paul Dekkers <paul@cgu.ml.org>, questions@FreeBSD.ORG Subject: Re: Prevent user from skinnpping commands Message-ID: <34CCDBAA.B20D6B50@Shevchenko.kiev.ua> References: <199801271416.PAA06212@chippie.cgu.edusurf.nl> <19980127150809.12042@blueberry.co.uk>
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Keith Jones wrote:
> On Tue, Jan 27, 1998 at 03:16:41PM +0100, Paul Dekkers wrote:
>
> ? How can I prevent a user from skipping commands by using Ctrl-C or Ctrl-Z
> ? or can I better (and how) disable the whole commands?
> ? My goal is to let a user log in, start something in .profile and
> ? immediately log out without being able to use Ctrl-C to get shell
> ? access... :-)
>
man trap
> Simply change their login shell in /etc/master.passwd to the program
> you want to start. If you use 'adduser' it might complain a bit, but
> you can safely ignore the warning messages.
>
> Additionally if their login shell doesn't appear in /etc/shells they
> won't be able to login via FTP, but that's probably a bonus anyway.
>
> Oh, and bear in mind that most mailreaders etc. have 'shell' and 'pipe'
> options which will allow people to gain shell access and/or execute commands
> on your machine.
>
> Keith
> --
> ?insert corporate .sig here?
--
@=
//RSSH mailto://Ruslan@Shevchenko.Kiev.UA
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