Re: fork() DoS?

[Philip R. Auld]

"Little, John" wrote:
> 
> I'm really not a programmer, just learning, but was able to bring the system
> to it's knees.  This is a redhat 7.2 kernel.  Is there anyway of preventing
> this?

Use resource limits on users and don't run fork bombs as root :)

> 
> #include <unistd.h>
> 
> void do_fork()
> {
>    pid_t p;
> 
>    p = fork();
>    do_fork();
> }
> 
> void main()
> {
>    for(;;)
>       do_fork();
> }
> 
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-- 
Philip R. Auld, Ph.D.                  Technical Staff 
Egenera Corp.                        [e-mail]
165 Forest St., Marlboro, MA 01752       [phone]