Ports & Protocols Explained in 4 minutes

Learn the fundamentals of ports & protocols. We'll understand why ports and protocols are crucial for effective data communication, how their roles are complementary with exchange between applications managed by ports, and communication rules defined by protocols. 00:00 Cookies delivery failed 00:25 How data are received 01:00 Why ports are crucial 01:27 Port numbers 02:13 Protocols 03:45 Subscribe In short, data exchanges between machines require port numbers. Ports categorize into well-known, registered, and dynamic/private, associated with application-layer protocols like HTTP, FTP, SMTP, DNS, or DHCP for precise data routing.