Date: Sun, 26 Jul 1998 20:29:02 -0500 (EST) From: Alfred Perlstein <bright@hotjobs.com> To: Nicholas Charles Brawn <ncb05@uow.edu.au> Cc: freebsd-security@FreeBSD.ORG Subject: Re: preventing fork bombs Message-ID: <Pine.BSF.3.96.980726202844.13348A-100000@bright.ny.otec.com> In-Reply-To: <Pine.SOL.3.96.980726201812.20876A-100000@banshee.cs.uow.edu.au>
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man login.conf
set limits there for login classes.
-Alfred
On Sun, 26 Jul 1998, Nicholas Charles Brawn wrote:
> How can someone limit/prevent fork bomb attacks on your system. I
> recently tried one on myself after modifying kern.maxprocperuid (thinking
> that should prevent it), and got my machine up to a load of over 150
> before I killed it.
>
> The simple code used was:
>
> #include <unistd.h>
>
> main(void) {
> while(1) {
> fork();
> }
> }
>
> The above effectively freezing my system. :\
>
> Anyone got any ideas?
>
> Nick
>
> --
> Email: ncb05@uow.edu.au - http://rabble.uow.edu.au/~nick
> Key fingerprint = DE 30 33 D3 16 91 C8 8D A7 F8 70 03 B7 77 1A 2A
> "When in doubt, ask someone wiser than yourself..." -unknown
>
>
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