Transport & Ports
TCP vs UDP, essential port numbers, and local port scanning labs.
1
TCP vs UDP Explained
ReadingReliable TCP vs fast UDP—and how each appears in firewalls and attacks.
15 min
+24 XP
2
Common Ports You Must Know
ReadingMemorize ports 22, 53, 80, 443, and other services every analyst recognizes instantly.
15 min
+24 XP
3
Lab — Port & Connection Check
ReadingUse ss and netcat to inventory listening ports and test connections on localhost.
25 min
+24 XP
4
Quiz — Transport & Ports
Practice Quiz10-question quiz on TCP/UDP differences and common port numbers.
10 min
+24 XP