Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!ncar!tank!mimsy!chris From: chris@mimsy.UUCP (Chris Torek) Newsgroups: comp.unix.wizards Subject: Re: Shutting off accounts Keywords: accounts, /dev/null, shutoff, `Woof!' Message-ID: <19778@mimsy.UUCP> Date: 24 Sep 89 15:40:29 GMT References: <435@lxn.eds.com> <347@galadriel.bt.co.uk> <4183@buengc.BU.EDU> <19747@mimsy.UUCP> Organization: U of Maryland, Dept. of Computer Science, Coll. Pk., MD 20742 Lines: 16 In article <19747@mimsy.UUCP> kilroy@mimsy.UUCP (She Blinded Me With Science) writes: >On mimsy there is a directory called /etc/restrict/login, in which you >can create a file for a user whose account has been restricted and it >will let them know what & why. I do not know if this is a BSD standard >or a local UMD hack (Mr. Torek produces those rather frequently 8^). It is a local hack, but actually was Fred Blonder's idea. Since /bin/login applies the restriction, there is no way for anyone to circumvent it except via `su' (or other setuid programs, possibly setuid to that person). The latter is not worth protecting against (too difficult, for too little gain). -- In-Real-Life: Chris Torek, Univ of MD Comp Sci Dept (+1 301 454 7163) Domain: chris@mimsy.umd.edu Path: uunet!mimsy!chris