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Using 3-way handshake, it is possible to check for open ports.(a) True(b) FalseThis question was posed to me in final exam.The question is from Scanning Phase for Security in chapter Phases of Security of Cyber Security

Answer» CORRECT answer is (a) True

Explanation: OPEN ports can be CHECKED where a COMPUTER initiates a connection to the server with SYN flag set. The server replies with both SYN & ACK flag set. Finally, the client responds back to the server with the ACK packet.


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