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专利名称：USING TCP TO AUTHENTICATE IP SOURCE
ADDRESSES
发明人：TOUITOU, DAN,PAZI, GUY,SHTEIN,
YEHIEL,TZADIKARIO, REPHAEL
申请号：EP04716687申请日：20040303公开号：EP1625466A4公开日：20110330
摘要：A method for authenticating communication traffic includes intercepting arequest directed over a network (26) from a source address to open a connection to atarget computer (22) in accordance with a handshake procedure specified by a
predetermined communication protocol. A reply to the request that deviates from thespecified handshake procedure is sent to the source address. A response from thesource address to the reply is analyzed in order to make an assessment of legitimacy ofthe source address. Upon determining, based on the assessment, that the source addressis legitimate, the target computer is permitted to complete the handshake procedure soas to open the connection with the source address.
申请人：CISCO TECHNOLOGY, INC.
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