Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!henry From: henry@utzoo.UUCP (Henry Spencer) Newsgroups: net.unix-wizards,net.rumor Subject: Re: VM/370 Security Message-ID: <4819@utzoo.UUCP> Date: Fri, 21-Dec-84 17:40:19 EST Article-I.D.: utzoo.4819 Posted: Fri Dec 21 17:40:19 1984 Date-Received: Fri, 21-Dec-84 17:40:19 EST References: <3558@ecsvax.UUCP> <1539@sdcrdcf.UUCP> <34@rti-sel.UUCP>, <759@amd.UUCP> Organization: U of Toronto Zoology Lines: 10 > ... I have the feeling that it should be quite easy to verify > that VM is secure, in the sense that one user cannot obtain or alter the data > of another user without permission. Sharing mini-disks requires that > permission. That's exactly where the problem lies: sharing. Isolation is easy (well, relatively easy) to verify. Controlled sharing is the hard part. -- Henry Spencer @ U of Toronto Zoology {allegra,ihnp4,linus,decvax}!utzoo!henry