An attacker is attempting to determine the status of the target's port. The attacker sent a SYN packet and was responded to with a SYN/ACK. Later in the session, the attacker sent a RST to terminate...

Extracted text: An attacker is attempting to determine the status of the target's port. The attacker sent a SYN packet and was responded to with a SYN/ACK. Later in the session, the attacker sent a RST to terminate it. a. Determine the type of scans carried out by the attacker. b. What is the current state of the port he scanned? c. Describe two techniques for defending against such scanning attempts.