On Mon, 24 Sep 2001, ihack wrote:

> I have a webserver that I would like to stress test before I take it to
> be co-located. I would like to know if some one could recommend a
> program that would simulate a DOS attack? Also, is there anything else I
> could do to make sure that the system is absolutely stable. 

You can stress test a webserver with ApacheBench (ab) which is included
with Apache, httperf, http_load, and crashme.

http://www.hpl.hp.com/personal/David_Mosberger/httperf.html
http://www.acme.com/software/http_load/

Also, have a look at
http://apachetoday.com/news_story.php3?ltsn=2000-12-16-001-06-NW-LF-PL

As for other DoS attacks, use nmap or other tools.

   Jeremy C. Reed
   http://www.reedmedia.net/