System and method for an adaptive TCP SYN cookie with time validation
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United States of America
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Apr 26, 2022
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app pub date -
Dec 28, 2018
filing date -
Dec 28, 2018
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Abstract
Provided is a method and system for TCP SYN cookie validation. The method includes receiving a session SYN packet by a TCP session setup module of a host server, generating a transition cookie including a time value representing the actual time, sending a session SYN/ACK packet, including the transition cookie, in response to the received session SYN packet, receiving a session ACK packet, and determining whether a candidate transition cookie in the received session ACK packet comprises a time value representing a time within a predetermined time interval from the time the session ACK packet is received.
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