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Columbia - Verizon Research Security : VoIP Denial-of-Service

Columbia - Verizon Research Security : VoIP Denial-of-Service. Somdutt B. Patnaik Gaston Ormazabal Columbia University Verizon Labs CS Department. Agenda. Project Overview Previous Work Problem Areas Goals The SIP Threat Model DoS attack taxonomy

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628 views • 44 slides

CSCD433 Advanced Networks Fall 2011

Raw vs. Cooked Sockets. CSCD433 Advanced Networks Fall 2011. Introduction. Assigned task Write a sniffer or port scanner program in Java Use Raw Sockets Have not done this before So far, sockets in Java either TCP or UDP based

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546 views • 32 slides

Detecting SYN-Flooding Attacks

Detecting SYN-Flooding Attacks. Ａａｒｏｎ　ＢｅａｃｈＣＳ　３９５　Ｎｅｔｗｏｒｋ　ＳｅｃｕｒｉｔｙＳｐｒｉｎｇ　２００４. Overview. SYN attack/floods Correlation between ”SYN” “FIN” ratio and “RST” How to detect deviations from these trends Solutions to detect and stop SYN attacks. Goals of authors.

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733 views • 28 slides

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