Date: Thu, 17 Apr 2003 10:05:16 +0100 (BST) From: Jan Grant <Jan.Grant@bristol.ac.uk> To: S?r?ciya Kurdistan? <sereciya@kurdistan.ath.cx> Cc: freebsd-questions@freebsd.org Subject: Re: FreeBSD Memory Pages Not Locked? Message-ID: <Pine.GSO.4.44.0304171000450.1793-100000@mail.ilrt.bris.ac.uk> In-Reply-To: <20030416235458.GI58471@kurdistan.ath.cx>
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On Wed, 16 Apr 2003, S?r?ciya Kurdistan? wrote: > Hello, > > > > So my question is: does FreeBSD really not have support for > > > locking memory pages? > > > > Not by non root users. > > > > > if this is true, then what is the reason > > > that this has not yet been implemented, > > > is this not an important security feature? > > > > (I assume) because if any user could lock pages in memory, so that it > > could not be swapped, they could cause the system to run low on physical > > memory, resulting in a DoS (Denial of service) attack. > > I see. Would having an encrypted swap like in OpenBSD help? ;) Yes. -- jan grant, ILRT, University of Bristol. http://www.ilrt.bris.ac.uk/ Tel +44(0)117 9287088 Fax +44 (0)117 9287112 http://ioctl.org/jan/ Q: What's yellow and equivalent to the axiom of choice? A: Zorn's lemon.
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