Detecting and addressing network attacks

Details Detecting and addressing network attacks Detecting and addressing network attacks

2005-06-03

2010-02-16

Zand, Kambiz (Department: 2434)

Information security

Monitoring or scanning of software or data including attack...

C726S023000, C726S025000

Reexamination Certificate

active

07665135

ABSTRACT:
A method and system are provided for preventing network service shutdowns resulting from denial of service (DOS) attacks. First, parameters are monitored corresponding to network elements carrying communication signal traffic in a communications network, and, based on the parameters, if a DOS attack is indicated, performing the following for each instance of communication signal traffic: accessing data structures for data relating to protected communication signal traffic, and, based on the data, determining if the communication signal traffic is designated as protected. Finally; based on the determination, cleaning and forwarding each protected communication signal to its respective destination.

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Zang, Hui et al., “Optimal NetFlow and CMON Deployment in IP Networks”, Sprint Advanced Technology Laboratories.
Agarwal, Sharad et al., “DDOS Mitigation via Regional Cleaning Centers”, Sprint ATL Research Report, Jan. 2004.

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