TLS & HTTPS
TLS handshakes, certificates, CAs, and a hands-on certificate analysis lab.
1
How TLS Handshake Works
ReadingFollow the TLS handshake from ClientHello to encrypted application data.
15 min
+19 XP
2
SSL Certificates
ReadingRead certificate fields: subject, issuer, validity, and SANs that browsers check.
15 min
+19 XP
3
Certificate Authorities
ReadingHow CAs vouch for sites—and what happens when trust is broken.
15 min
+19 XP
4
Lab — Analyze SSL Certificate
ReadingInspect a live HTTPS certificate with openssl and curl copy-paste commands.
25 min
+19 XP
5
Quiz — TLS/HTTPS
Practice Quiz10-question quiz on TLS, certificates, and certificate authorities.
10 min
+19 XP