Date: Sat, 10 Apr 1999 15:10:52 -0400 (EDT) From: Mikhail Teterin <mi@kot.ne.mediaone.net> To: current@freebsd.org Subject: Re: DoS from local users (fwd) Message-ID: <199904101910.PAA26955@kot.ne.mediaone.net> In-Reply-To: <Pine.BSF.4.05.9904101406400.1031-100000@janus.syracuse.net> from Brian Feldman at "Apr 10, 1999 02:07:27 pm"
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Brian Feldman once stated: => Once again - HOW I can limit CPU usage by *kernel* ? Also, I've just => tried set maxprocesses 5. And it helpless. With 5 processes limit => user was able to slow down P2-450 computer. Switching between windows => in X was VERY slow. Mouse movements was slow down too. => CPU states: 32.3% user, 0.0% nice, 67.2% system, 0.0% interrupt, 0.5% idle =If you want to preempt other tasks, make that user's tasks niced!! Which user? You don't know until it happens... And the mentioned already baseball bat is more effective _after_ the fact. The question is, is it possible to prevent this from happening in the first place, without quering the Human Resources department for each user's mental profile?.. -mi To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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