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11/12/13

Packet Flooding & DoS attacks.

A broad class of security threats can be classified as denial-of-service (DoS) attacks. As the name suggests, a DoS attack renders a network, host, or other piece of infrastructure unusable by legitimate users.

There are many forms of DoS attacks, including 'Packet Flooding':

* Bandwidth Flooding.

The attacker sends a deluge of packets to the targeted host - so many packets that the target's access link (router) becomes clogged, preventing legitimate packets from reaching the server.

* Connection Flooding.

The attacker establishes a large number of half-open or fully open TCP connections at the target host. The host can become so bogged down with these half-bogus connections that it stops accepting legitimate connections.

See also: Everyday tea for information problems, or DDOS attack (for everyone), TCP Connections & UDP Connectionless Transport.

3 comments:

  1. 'half-bogus connections' are there for a reason as well, perhaps these words were 'ordered' by someone i know, by Joanna Bogusz ... workmate at XPro, for a while, at least ...

    perhaps they were 'ordered' in my mind, perhaps not only ...

    perhaps she deserves that 'a treat' still, in this way or another, anyway ...

    ReplyDelete
  2. 'Bóg' is polish word for 'God'.
    'Karczować lasy' is 'Cutting forests' in polish language.

    more about 'tree', 'forest', etc ... can be found there:
    http://itsecinreal.blogspot.com/2014/10/hayashis-journey.html .

    ReplyDelete
  3. got insight ...

    ... that perhaps 'Dragonfly Algorithm' is 'important' part of XPro company's politics ...

    'dragonfly' is 'ważka' in polish language ...
    'important' is 'ważna' or 'ważny' in polish language, depending on gender, etc ...

    ReplyDelete