How Does Port Scanning Work

The video tutorial covers the basics of port scanning, focusing on TCP and UDP methods. It explains the Connect and SYN scan techniques for TCP, highlighting the three-way handshake and stealth aspects. UDP scanning is discussed, noting its stateless nature and potential unreliability due to ICMP packet handling by firewalls. The tutorial introduces the Nmap tool, emphasizing its capabilities and the importance of considering traffic implications during scans.

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