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This problem examines security in TCP connections. TCP uses a 3-way handshake using segments with the following flags set SYN, SYN-ACK and ACK. [ a)What

This problem examines security in TCP connections. TCP uses a 3-way handshake using segments with the following flags set SYN, SYN-ACK and ACK. [

a)What feature of TCP handshake makes TCP vulnerable to DoS attack known as SYN flooding?

b)How is thespecial Server-Initial Sequence Number (Server-ISN) in the SYN segmentgenerated?Why is it required?

c)If the attacker cansteal a large number ofISNs sent by the server, can the attacker cause server to create many fully open connections by sending ACKs using those ISNs? What can server do to prevent such an attack?

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