Date: Fri, 3 Jul 1998 17:53:48 +0200 (MET DST) From: Willem Jan Withagen <wjw@surf.IAE.nl> To: easmith@beatrice.rutgers.edu Cc: hackers@FreeBSD.ORG Subject: Waht are CDF's (Was: Variant Link .....) Message-ID: <199807031553.RAA10108@surf.IAE.nl> In-Reply-To: <9807030628.ZM9030@beatrice.rutgers.edu> References: easmith@beatrice.rutgers.edu (Allen Smith)
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In article <9807030628.ZM9030@beatrice.rutgers.edu> you write: >On Jul 3, 12:11pm, sthaug@nethelp.no (possibly) wrote: > >> If anybody should ever consider something similar to HP-UX CDFs, I'd >> strongly suggest that this should only be available to root by default. >> (on the assumption that root users know what they're doing). >> >> At one of my former employers we had a large number of HP-UX diskless >> hosts, using CDFs. We saw far too many cases of users inadvertently >> having their directories "disappear" (and similar problems) because >> they had turned the CDF bit on. It was a real support hassle. > >Another reason to have this limit is to prevent people from hiding >files using it from various security checking tools; see Garfinkel & >Spafford's _Practical Unix & Internet Security_, pages 136-137. (To >give you some idea, it's under "Oddities and Dubious Ideas" for a >reason.) You'll have to educate me: I was one of the initiators of the agry letters towards HP when they took over Apollo and decided to kill DomainOS. So I've refused to work with hockey-puck at that time, and CDF's tell me nothing. But from what I read above the files actually disapeared from the filesystem not to be found elsewhere? How does that relate to links point either left or right. --WjW -- Internet Access Eindhoven BV., voice: +31-40-2 393 393, data: +31-40-2 606 606 P.O. 928, 5600 AX Eindhoven, The Netherlands Full Internet connectivity for only fl 12.95 a month. Call now, and login as 'new'. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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