Defending Against Denial-of-Service Attacks: An Application of Synchronous Dynamic Encryption System

H.S. Soliman and M. Omari (USA)

Keywords

Denial of Service, SYNflooding, Dynamic Encryption, Stream Cipher, Key Management, Secure Authentication.

Abstract

A very dynamic and secure network protocol is presented in this paper in order to alleviate the widespread practice of SYN-flooding attacks. Our SDES system augments the three-way handshaking of the TCP protocol via a fast and simple client/server authentication mechanism. In order to achieve this performance, our SDES utilizes simple encryption/decryption and dynamic key management functions. A pre-registered client and its server are always synchronized via a stream of dynamic buffered keys. The new system is experimentally proven to be faster than the state-of-the-art peer techniques, with the same level of security (or higher).

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