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Phase 4 of 12

Learn Networking & Security

Master networking concepts and security principles

Key Skills

OSI Model
DNS
HTTP/HTTPS
SSH
Security basics

Topics to Cover

DNS and domain names
HTTP/HTTPS protocols
SSL/TLS certificates
Firewall basics

Learning Resources

Hands-On Projects

SSL Certificate Setupintermediate

Configure SSL certificates for a web server

Firewall Configurationintermediate

Set up and manage firewall rules

DevOps Roadmap 2026 | Master DevOps Step-by-Step – JB