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Six hours server downtime due to DOS attack (Denial of Service attack)


The server suffered a DOS attack since 21:00 and the site was down. What is a DOS attack?

A denial-of-service attack (also, DoS attack) is an attack on a computer system or network that causes a loss of service to users, typically the loss of network connectivity and services by consuming the bandwidth of the victim network or overloading the computational resources of the victim system.

A DoS attack can be perpetrated in a number of ways. There are three basic types of attack:

   1. consumption of computational resources, such as bandwidth, disk space,    or CPU time
   2. disruption of configuration information, such as routing information
   3. disruption of physical network components



What makes you think this is a denial of service?


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