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US 2016/0080402 A1Published application
Dynamic configuration of settings in response to ddos attack
AssigneeLevel 3 Communications, LLC
InventorsRobert Smith, Shawn Marck
Life of this patent
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Abstract
A system can monitor the server for indications of an attack and adjusts server settings accordingly. In response, the system can increase server tolerance in a systematic way to deal with DDoS by adjusting server settings appropriately. Conversely, when the server is not under attack, the settings can be adjusted to those for standard operations (e.g., adjusted downward), as they are more optimal for normal, non-attack operations.
Claims23
A method of modifying settings of a server in response to an attack, the method comprising:
- monitoring client requests made to the server, the server having a first set of resources that are used to respond to client requests, each resource of the first set being capable of being increased and decreased, wherein an amount of a resource available for responding to the client requests is specified by a resource setting;
- determining a first amount of a first resource of the first set that is currently being used to respond to the client requests;
- comparing the first amount to a first threshold, the first threshold being less than a current value of a first resource setting corresponding to the first resource;
- and
- in response to the first amount being larger than the first threshold, increasing a value of the first resource setting, thereby increasing the amount of the first resource available to respond to client requests.
2 more elements
Dependencies are inferred from the claim text.