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Diff: DenialOfService
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Newer page: version 5 Last edited on Wednesday, July 21, 2004 12:02:16 am by AristotlePagaltzis
Older page: version 4 Last edited on Tuesday, July 20, 2004 10:01:44 pm by StuartYeates Revert
@@ -1,3 +1,3 @@
-A denial of service ([DOS]/ [DoS]) attack prevents a machine from carrying out its main duties - for example, preventing a WebServer from serving up pages. 
+A denial of service ([DoS]) attack prevents a machine from carrying out its main duties - - for example, preventing a WebServer from serving up pages. 
  
-A distributed denial of service ([DDoS]) attack normally means many clients are sending repeated requests to a machine to saturate its bandwidth, preventing legitimate requests to get through. These clients have typically been infected with a [Virus] or [Worm] and are sent instructions regarding when and where to attack. They are then known as "zombies ". 
+A distributed denial of service ([DDoS]) attack normally means many clients are sending repeated requests to a machine to saturate its bandwidth and/or processing capacity , preventing legitimate requests from getting through. Nowdays, the clients participating in such an attack are typically so-called "__zombies__", machines infected with a [Virus] or [Worm] containing remote control facilities, typically by joining a secret, password protected channel on some [IRC] server. They can then be instructed to when and where to attack from there . Such a group of zombies is known as a "__bot net__ ".