Server Hardening for Linux, NGINX, Docker, and Node
Secure and clean up production VPS hosts so web apps run with safer defaults, clearer logs, and fewer exposed edges.
Who it is for
Businesses running websites, APIs, dashboards, or automation on Linux VPS infrastructure.
Pricing starting point
Hardening work is scoped by host count, app count, and whether implementation access is needed.
Problems this solves
- Open services and stale packages
- Weak firewall, SSH, reverse proxy, or TLS configuration
- Containers and app processes deployed without operational guardrails
Deliverables
- Hardening plan
- Firewall and SSH review
- NGINX/TLS cleanup
- Docker and process manager recommendations
- Rollback-aware change notes
Tools and stack
- Debian
- Ubuntu
- Kali
- NGINX
- Docker
- systemd
- PM2
- Certbot
Example use cases
- Secure a Next.js VPS
- Clean up exposed admin surfaces
- Prepare a host for production launch
FAQ
Do you need root access?
Implementation usually needs privileged access. Review-only work can use read-only evidence.
Can this be done without downtime?
Most changes can be planned to minimize downtime, but risky service changes are scheduled deliberately.
Need this scoped for your site or system?
Send the target, the concern, and what outcome would make the work useful.