Date: Wed, 16 May 2001 15:16:09 -0700 From: Kris Kennaway <kris@obsecurity.org> To: dave <dleimbac@earthlink.net> Cc: questions@freebsd.org Subject: Re: python fork call raised my load over 400! Message-ID: <20010516151609.A35726@xor.obsecurity.org> In-Reply-To: <200105161254.FAA14005@scaup.mail.pas.earthlink.net>; from dleimbac@earthlink.net on Wed, May 16, 2001 at 07:57:19AM -0500 References: <200105161254.FAA14005@scaup.mail.pas.earthlink.net>
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[-- Attachment #1 --] On Wed, May 16, 2001 at 07:57:19AM -0500, dave wrote: > ----SNIP-------- > > import os > > while 1: > os.fork() > -----SNIP------- > > This user run program brought my system to a load of 419 with the system > using > 94% of the resources and 500 user processes on my AMD Duron 800 box with > 256MB RAM... Well, what did you expect? People point this out to us about every 2 weeks, and they all seem to think it's an idea no-one's even thought of before in the history of computing. It's trivial to prevent fork-based denial of services in FreeBSD. Kris P.S. This post was off-topic for -arch. [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.5 (FreeBSD) Comment: For info see http://www.gnupg.org iD8DBQE7AvwoWry0BWjoQKURAv06AJ9S71tTgpKNdXWyYznqh7OX+ys7RQCg100v DdLekdcszd26uahgiSDuzYQ= =48MF -----END PGP SIGNATURE-----
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