Tag: security

Browse all articles, tutorials, and guides about security

Posts

Linux
2024-12-10|6 min read

How to Change File and Folder Permissions Recursively in Linux

Learn how to use chmod command to change permissions for directories and all their subdirectories and files efficiently and safely.

Linux
2024-12-05|8 min read

How to Close Specific Ports on Linux Systems

Learn how to close and block specific ports on Linux using iptables, ufw, firewalld, and by stopping services. Secure your system by controlling port access.