harden
VPS security auditing and hardening
43
Quality
43%
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tessl review fix ./src/skills/bundled/harden/SKILL.mdVPS Hardening
Security auditing and automated hardening for remote servers.
Commands
/harden audit <host>
Run security audit against a server. Checks:
- System updates
- Auto-updates configuration
- SSH root login status
- Password authentication
- Firewall status
- Fail2ban status
- System uptime
- Listening services
- Sudo user configuration
/harden fix <host>
Apply safe fixes that won't lock you out:
- Install system updates
- Enable unattended-upgrades
- Configure UFW firewall
- Install and enable fail2ban
- Set SSH MaxAuthTries
/harden emergency <host>
Quick 10-minute hardening for new servers:
- Full system update
- Firewall setup
- Fail2ban installation
- Root password lock
/harden report <host>
Generate markdown security report.
Options
| Option | Description |
|---|---|
--user=NAME | SSH user (default: root) |
--dry-run | Preview changes without applying |
Examples
/harden audit 192.168.1.100
/harden fix myserver.com --user=admin
/harden emergency vps.example.com --dry-run
/harden report server.io > security-report.mdSecurity Checks
| Check | Pass Criteria |
|---|---|
| System Updates | 0 pending updates |
| Auto Updates | unattended-upgrades installed |
| Root Login | PermitRootLogin no |
| Password Auth | PasswordAuthentication no |
| Firewall | UFW active or iptables configured |
| Fail2ban | Service running |
| Uptime | < 90 days |
| Services | < 10 listening ports |
| Sudo Users | At least one non-root sudo user |
| MaxAuthTries | Set to 3 or less |
- Repository
- alsk1992/CloddsBot
- Commit
e71a5f6
- Last updated
- First committed
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