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SYN cookies

SYN cookies je klíčový prvek obrany proti útoku záplavou paketů protokolu TCP s příznakem SYN, pro který se používá anglické označení SYN flood. Útok spočívá v zaslání velkého množství žádostí o navázání spojení, které je nutno jistou dobu uchovávat (ve frontě). Tyto žádosti však nebudou dovedeny do konce, čímž dojde k zaplnění oné fronty a odmítání…

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Historie

Eric SchenkJeff WeisbergSunOSJádro Linuxu
4 related topics

Implementace

TCP protokoluČítačIP adresuMod
4 related topics

Overview

TCPSYN floodDaniel J. Bernstein
3 related topics

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Implementace

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SYN cookies

Nodes15
Edges14
Triples0
Avg. degree1.87
Density0.133333
Components1

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Important terminology

syn tcp číslo server syn-cookies spojení sekvence příznakem protokolu pošle klientovi paket ack fronty čísla paketu tyto jako klienta příznaky

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SubjectPredicateObjectConfidenceSrc

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