[4009] in RedHat Linux List
permissions of 'wall'
daemon@ATHENA.MIT.EDU (Robert Hart)
Tue Nov 12 04:54:11 1996
Date: Tue, 12 Nov 1996 20:51:18 +1100 (EST)
From: Robert Hart <hartr@interweft.com.au>
Reply-To: Robert Hart <iweft@ipax.com.au>
To: Red Hat Mailing List <redhat-list@redhat.com>
In-Reply-To: <32882C25.2914D0BA@iceonline.com>
Resent-From: redhat-list@redhat.com
On Mon, 11 Nov 1996, Borg wrote:
> Try this on your command line: it screwes up
> all tty's and pty's of all users:
>
> echo -e "\033c\033(0\033#8\033[1;3r\033[J\033[5m\033[?5h"|wall
>
> Very unpleasant because someone with user access can
> temporarily interrupt anything others (including root)
> are doing on their consoles/xterms.
Blech - that's terrible.
chmod 550 /usr/bin/wall
That gets rid of that one...now, is there a problem with this?
Robert Hart iweft@ipax.com.au
Voice: +61 (0)3 9735 3586 http://203.29.72.65/
InterWeft, 35 Summit Road, Lilydale, Victoria 3140, Australia
IT, data and voice networking
Strategic IT business planning
Internet planning, implementation, security and configuration
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