Date: Sun, 26 Jul 1998 12:42:36 +0000 From: Niall Smart <rotel@indigo.ie> To: Nicholas Charles Brawn <ncb05@uow.edu.au>, freebsd-security@FreeBSD.ORG Subject: Re: preventing fork bombs Message-ID: <199807261142.MAA00491@indigo.ie> In-Reply-To: <Pine.SOL.3.96.980726201812.20876A-100000@banshee.cs.uow.edu.au>; Nicholas Charles Brawn <ncb05@uow.edu.au>
next in thread | previous in thread | raw e-mail | index | archive | help
On Jul 26, 8:25pm, Nicholas Charles Brawn wrote:
} Subject: preventing fork bombs
> The simple code used was:
>
> #include <unistd.h>
>
> main(void) {
> while(1) {
> fork();
> }
> }
>
> The above effectively freezing my system. :\
As has been previously observed the system call frequency is so
high that this is still an effective DOS. The solution is some
kind of system call rate limiting.
Niall
--
Niall Smart. PGP: finger njs3@motmot.doc.ic.ac.uk
FreeBSD: Turning PC's into Workstations: www.freebsd.org
To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe security" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199807261142.MAA00491>