Linux Server Hardening - Step by Step Guide

Harden your Linux server against attacks.

1. SSH key auth only, no passwords
2. Fail2ban for brute force protection
3. UFW firewall - default deny
4. Automatic security updates
5. Disable root login
6. Regular audit with Lynis
7. Monitor logs with auditd
8. Scan web-facing ports

Check your server security:
https://sec.92888888.xyz/websec-scanner/
Pro: https://sec.92888888.xyz/websec-scanner/store

linux #security #devops