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Date: Thu, 17 Apr 2003 10:05:16 +0100 (BST)
From: Jan Grant <Jan.Grant@bristol.ac.uk>
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To: S?r?ciya Kurdistan? <sereciya@kurdistan.ath.cx>
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Subject: Re: FreeBSD Memory Pages Not Locked?
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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.