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Comptia Linux+ exam preparation
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Module 11
System Security and Hardening
1
SSH Security: Keys and Hardening
Implement SSH key-based authentication and harden the SSH service configuration
2
Managing Firewalls with netfilter and firewalld
Explain the role of netfilter and manage firewall rules using firewalld
3
Investigating Security Events with `journalctl` and Log Files
Analyze systemd journal entries and traditional log files for security events
4
Nmap: Network Discovery and Port Scanning Fundamentals
Use nmap to perform network discovery and basic port scanning
5
Understanding MAC with SELinux & AppArmor
Explain the concepts of Mandatory Access Control (MAC) and the roles of SELinux/AppArmor
6
SELinux/AppArmor: Status & Troubleshooting Policy Denials
Check SELinux/AppArmor status and interpret policy denial logs for troubleshooting
7
Securing Filesystems with fstab Mount Options
Harden filesystems by setting appropriate mount options in /etc/fstab
8
Securing Kernel Parameters with sysctl
Configure kernel runtime parameters for security using sysctl
Previous module
Shell Scripting and Automation
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Troubleshooting, Recovery, and Maintenance