Security

Beginner Updated

Sets up and configures basic firewall using UFW (Uncomplicated Firewall). Opens SSH, HTTP, HTTPS ports.

firewall security ufw

Advanced

Hardens SSH server, prevents brute-force attacks and applies security best practices.

ssh security fail2ban brute force

Intermediate

Installs Fail2ban and configures automatic protection for SSH, Apache, Nginx.

fail2ban security brute force

Intermediate

Performs comprehensive security hardening check for Linux server and gives warnings.

security hardening audit

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