Linux Hardening Scripts

Configure CIS benchmark-aligned security hardening for SSH, firewall, Fail2Ban, kernel, audit, and more.

Select hardening modules and configure CIS-aligned parameters.

CIS Level

SSH Port

Fail2Ban Max Retries

Unattended Upgrades

harden.sh

Configure and click Generate.

Included with Linux Hardening Scripts

The complete Linux Hardening Scripts package includes:

Get the full product, documentation, examples, and future updates.