Linux Security Courses
Udemy Exploiting Host-based Vulnerabilities for CompTIA PenTest+
Pluralsight Linux Host Security
Pluralsight Check Point Jump Start: Harmony Endpoint Security
Checkpoint via Coursera Securing Linux Systems
LearnQuest via Coursera Linux Security: The Complete Iptables Firewall Guide
Udemy Seguridad en Linux: Introducción al firewall iptables
Udemy Linux: Firewalls and SELinux
LinkedIn Learning Linux Security and Hardening Essential Training
LinkedIn Learning Enterprise Linux Security
YouTube