Great Circle Associates Firewalls
(November 1996)
 

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Subject: Re: Re[2]: Incoming TCP Packet with Port 80 - More info
From: "Stephen E. Shipman" <seshipma @ wixer . syrinx . org>
Date: Tue, 19 Nov 1996 20:47:44 -0500 (EST)
To: firewalls @ greatcircle . com
In-reply-to: <199611192239 . AA26421 @ interlock . mgh . com>

On Tue, 19 Nov 1996 arager @
 mcgraw-hill .
 com wrote:

>      Here's one way to test this [your mileage may vary, and your test 
>      candidate may suffer for a bit]:
>      
>      -With Netscape [others would prob. work well also] pick a site outside 
>      your proxy that already seems somewhat slow/busy [www.aol.com comes to 
>      mind].
>      -After loading the URL, hold down on <CTRL> <R> (reload) for about 30 
>      seconds.  This will make gobs of requests and should make the server 
>      really busy.
>      -Netscape should show the message "connect: server xx.xx.com 
>      contacted, waiting for reply" for at least 45secs.....wait a few 
>      minutes [depends on the server] and take a look at your logs.  If you 
>      didn't crash the server with this load, then you should see an entry 
>      in your logs for a failed connection from your test host.

  I appreciate that the intent of this procedure is honest, and meant for 
genuine expansion of knowledge.  But, I am getting a good chuckle over 
seeing a procedure on the /firewalls/ list that could be interpreted as a 
denial-of-service attack by the recipient web site...  ;-)


- Stephen Shipman
-------------------
seshipma @
 syrinx .
 org


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