Mastering Linux Security and Hardening 3rd Edition

Mastering Linux Security and Hardening 3rd Edition is the authoritative book for securing Linux servers and workstations in production environments. You will learn mandatory access control including SELinux and AppArmor policy creation, enforcement modes and troubleshooting AVC denials. The book covers firewall configuration with nftables, iptables and firewalld including zone management and rich rules. You will master disk encryption with LUKS, file encryption with GnuPG and secure key management for at-rest data protection. The book teaches user and permission hardening including sudoers fine-tuning, PAM configuration, SSH key-based authentication and fail2ban intrusion prevention. You will learn auditing with auditd, system monitoring with AIDE, log management with journald and rsyslog and compliance checking with OpenSCAP. The book covers kernel hardening including sysctl tuning, address space layout randomization and securing boot with UEFI Secure Boot. You will learn container and Kubernetes security including Docker daemon hardening, image scanning and pod security policies. The book includes CIS benchmark alignment and automated hardening scripts for Ubuntu, RHEL and Debian families. This book prepares you for Linux security certification and real enterprise hardening tasks.

What's Included

• PDF format (480+ pages)
• SELinux & AppArmor policies
• Hardening scripts
• CIS benchmark checklists