Turn on the memory-limit option

On Wed, 17 Apr 2002, Dustin E. Childers wrote:

> Hello.
> I have found something interesting that can kill the server. I'm not sure if this is 
>because of Apache or PHP. If you use PHP to send a header() inside of a while loop, 
>the httpd process will begin to use massive CPU and Memory until it is killed, or the 
>server is killed. Here is what I used:
> <?
>   while(0<1) {
>     header("A");
>   }
> ?>
> We have tested this on apache 1.3.22, and apache 2.0.35, using php 4.1.2 and 
>4.2.0RC4. It was able to completly kill our servers (not apache, the entire server). 
>The loads of the server will reach 50+. I have contacted apache about this and they 
>said that it is PHP related.
> Dustin E. Childers
> Security Administrator. CEO, Digitux Security, Inc.
> http://www.digitux.net/

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