Protocols
DNS, HTTP/S, mail protocols, and hands-on Wireshark packet analysis.
1
DNS — How It Works
ReadingHow DNS resolves domain names, common record types, and DNS security risks.
15 min
+24 XP
2
HTTP vs HTTPS
ReadingCompare cleartext HTTP and encrypted HTTPS—including ports, TLS, and why HTTPS matters.
15 min
+24 XP
3
FTP, SSH, SMTP, IMAP
ReadingKnow FTP, SSH, SMTP, and IMAP ports, purposes, and security pitfalls.
15 min
+24 XP
4
Lab — Wireshark Packet Analysis
ReadingCapture your own traffic in Wireshark and inspect DNS, HTTP, and TLS packets.
25 min
+24 XP
5
Quiz — Protocols
Practice Quiz10-question quiz on DNS, HTTP/S, mail protocols, and ethical packet capture.
10 min
+24 XP