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- Newsgroups: comp.sys.novell
- Path: sparky!uunet!psgrain!hippo!ee.und.ac.za!ucthpx!casper.cs.uct.ac.za!smarquar
- From: smarquar@casper.cs.uct.ac.za (S C Marquard)
- Subject: Re: Opening files in read-only, deny read&write mode
- Message-ID: <By0DFK.2J5@casper.cs.uct.ac.za>
- Keywords: file-sharing
- Organization: Computer Science Department, University of Cape Town
- References: <Bxyo8x.E4G@casper.cs.uct.ac.za>
- Date: Fri, 20 Nov 1992 09:38:08 GMT
- Lines: 23
-
- In <Bxyo8x.E4G@casper.cs.uct.ac.za> smarquar@casper.cs.uct.ac.za (S C Marquard) writes:
-
- >I tried the following on a NW2.2 network:
- >
- >A user with only [RF] rights in SYS:LOGIN and SYS:PUBLIC runs a program
- >which opens a file in read-only, deny read&write mode. As one might
- >expect, any other user is then prevented from reading that file, no matter
- >what their rights are.
- >
-
- >GRAB F:LOGIN.EXE rb 16
- >is enough to cripple things, and can be done by any user.
-
- I forget to mention that flagging files Ro Shareable doesn't make any
- difference.
-
- Stephen Marquard
- University of Cape Town
- -------------------------------------------------------------
- Internet: smarquar@casper.cs.uct.ac.za
- Fidonet: Stephen.Marquard@p3.f120.n7102.z5.fidonet.org
- -------------------------------------------------------------
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-