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Transport Layer - Freie Universität Berlin

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TCP and Security: SYN-Flood<br />

● During connection establishment<br />

the client does not finish the<br />

Three Way Handshake procedure<br />

● A half open connection<br />

● Operating system reserves<br />

resources<br />

Client<br />

Univ.-Prof. Dr.-Ing. Jochen H. Schiller ▪ cst.mi.fu-berlin.de ▪ Telematics ▪ Chapter 8: <strong>Transport</strong> <strong>Layer</strong><br />

Server<br />

Normal<br />

scenario<br />

Syn-<br />

Flood<br />

attack<br />

8.119

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