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 > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe security" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe security" in the body of the message
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