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Pubblicita
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Secret hashing for TCP SYN/FIN correspondence
No:
7373663
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Numero di domanda:
10316883
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Data di registrazione:
2002-12-12
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Data di emissione:
2008-05-13
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Tipo:
B2
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Richiesti:
11
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Fogli di disegni:
3
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Riassunti:
A mechanism for detecting denial of service attacks in a digital communications system is described. A probabilistically determined portion of input packets of a connection are processed using a hash function to determine whether the packets belong to the flow initiated by a TCP SYN packet. The hash function includes a secret key for additional security. The result of the hash function is added to a value which is dependent on the sequence number of a packet being processed.
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Inventori:
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Esaminatore principale:
Smithers Matthew
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Assistente esaminatore:
Khoshnoodi Nadia
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Cessionari:
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Documenti stranieri:
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1 154 610 / 2001-10-31
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Altri riferimenti:
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Snoeren et al., “Hash-Based IP Traceback,” ACM SIGCOMM 2001, pp. 7-11.
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Duffield et al., “Properties and Prediction of Flow Statistics from Sampled Packet Streams,” AT&T Labs-Research, (c)2002 ACM, pp. 159-170.
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“Detecting SYN flooding attacks”, Haining Wang et al., 2002 IEEE.
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“Analysis of a denial of service attack on TCP”, Christoph L. Schuba et al., 1997 IEEE.
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Riferimenti:
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5542089
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5958053
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6321338
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Pubblicita
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