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- Xref: sparky comp.os.vms:17851 vmsnet.sysmgt:337
- Newsgroups: comp.os.vms,vmsnet.sysmgt
- Path: sparky!uunet!mcsun!Germany.EU.net!rzultr.uni-trier.de!TI.Uni-Trier.DE!bern
- From: bern@Uni-Trier.DE (Jochen Bern)
- Subject: Re: HELP: how to stop and prevent break in?
- Message-ID: <bern.721580808@kleopatra>
- Originator: bern@kleopatra
- Sender: news@rzultr.uni-trier.de (USENET News System)
- Organization: Theor. CS, FB IV / CS, Univ. of Trier, Germany (Internet TI.Uni-Trier.DE)
- References: <1ds5eqINN185@merak.usc.edu>
- Date: Thu, 12 Nov 1992 15:06:48 GMT
- Lines: 36
-
- In <1ds5eqINN185@merak.usc.edu> ttytst@merak.usc.edu (Guess what) writes:
- >We got very strange things happened on one account where we found the
- >owner of files are not only the owner of the account but also another one.
- > OWNER=[my,WHO]
- >All the files and directories under that account have two owners and we are
- >sure that the other one is illegal. What we need to know right now is how
- >to prevent this kind of things happened again and how to remove the illegal
- >one from the ownership without SYSTEM ADMINSTATROR's Privilage. Thanks in
- >advance.
-
- There is no such Thing as two-Owner-Files in VMS. I suppose you did a
- DIR /OWNER to obtain the cited Output, right? Then what you observe is
- DCL reporting that the File belongs to a named User (WHO) which is a
- Member of a named Group (my). Example given, I have an Account BERN
- on a Machine where I'm "just another User", short "CIP". They've put
- me in a Group CIP, and everytime I do a DIR /OWNER, I see:
-
- PRIVATE.DIR;1 [CIP,BERN]
-
- etc.. If you want a Proof, do a HELP SET FILE /OWNER. It says "...sets
- *THE* Owner UIC of the File...". If you want harder Proofs, look into
- the DCL Concepts Manual; BookReader doesn't work in this Moment, so I
- couldn't look it up myself.
-
- Talking about File Protection, the one and only Command to read the
- File's security-related Settings is DIR /SECURITY. Currently, it's
- equal to DIR /ACL /OWNER /PROTECTION, but I assume that DEC will upgrade
- /SECURITY whenever new Items arise. If you're REALLY concerned about
- File Protection, I've got a "check all them Files"-Procedure ready;
- EMail me if you want to try it out. Greetings,
- J. Bern
- --
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-