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#9372 06/24/03 06:30 PM
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What is the pupose of a denial of service attack?

#9373 06/24/03 07:44 PM
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Exactly that. To deny service. It can take many forms, but the end result is people not being able to do what they wish.

#9374 06/24/03 08:26 PM
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Does this create vulnerabilities to use to access a system or is it just used to piss people off

#9375 06/24/03 09:24 PM
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Typically the later. You might find http://www.UnderGroundNews.com/cgi-bin/ubbcgi/ultimatebb.cgi?ubb=get_topic;f=2;t=000013 of interest.


I don't measure a man's success by how high he climbs but how high he bounces when he hits bottom.
--General George S. Patton
#9376 06/24/03 09:38 PM
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no offense obi wan but that has nothing to do with my question, nor does it say anwhere anything relating to denial of service

Think before you type

#9377 06/25/03 12:07 PM
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Denail of service attacks cuts off access to services and information. If it's done to an internet based company like amazon or ebay, they loose buisness and lots of money from wasted bandwidth that they are paying for. Distrubuted Denail of Service or DDoS attacks use many machines to attack one. Some like, SYN Connect attacks, abuse the way computers recieve tcp connections, the 3 way handshake. Smurf attacks use forged hosts in icmp packet headers. So they can be sent out to millions of machines and they all return to the victim computer flooding it with responses, when it never made the requests in the fist place. They abuse other faults in the way TCP/IP works. To understand them you first need to understand TCP/IP.
Others abuse the actualy defects in the hardware itself, like the ping of death. It sends the command to hanf up to your modem, +++ATH0. Some abuse faults in server programs with buffer overflows which can also be used to exploit systems. If you want to understand all the defects of a system you should understand how that system works first.

#9378 06/25/03 02:04 PM
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Ok that explains it thanks


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