<ul><li>Managing a Linux system involves implementing security protocols to safeguard the environment from threats.</li><li>Essential security measures for Linux systems include securing SSH access, managing firewalls with Firewalld, enforcing policies with SELinux, and controlling access with users, groups, and permissions.</li><li>For SSH security, best practices include disabling root login, using key-based authentication, and considering changing the default SSH port.</li><li>Firewalld is crucial for controlling network access and defining trusted services like SSH and HTTPS.</li><li>SELinux provides mandatory access control to prevent unauthorized programs from accessing system files.</li><li>User management tools like chmod, chown, and sudo help control access to files and directories.</li><li>Keeping the system updated with regular software updates and monitoring and auditing activity are vital for maintaining a secure Linux environment.</li><li>Regularly reviewing systems and staying consistent with security protocols ensures a strong security posture for Linux systems.</li></ul>

Implementing and Managing Security Protocols in Linux

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