Linux Security Hardener

One-command Linux security hardening. Disables root SSH login, sets up UFW firewall with best-practice rules, configures fail2ban for brute-force protection,...

Linux Security Hardener

Zero-config server hardening for AI agents.

Run one action to audit and harden your Linux server against common attack vectors. Safe defaults — backs up every config before modifying.

Actions

| Action | Description | |--------|-------------| | audit | Scan current security posture (read-only) | | harden | Apply hardening measures (SSH key-only, UFW, fail2ban) | | rollback | Restore previous config from backups |

Features

🔐 SSH: disable root login, key-only auth, change port option
🛡️ UFW: allow only 18792 (OpenClaw), 22 (SSH), rate limiting
🚫 fail2ban: SSH brute-force protection, 5 attempts = 10min ban
📋 Audit report: open ports, user privileges, weak configs
💾 Auto-backup: every change creates a timestamped backup

Pricing

$4.99 — One-time purchase