How to Protect a Web Server with SafeLine WAF
Description and use
SafeLine WAF protects any web server by filtering malicious traffic before it reaches the application, supporting multiple sites and handling up to 800 QPS in the free tier.
Problem
Web servers are exposed to injection attacks, scanners, and bots, requiring a protective layer before traffic reaches the application.
Outcome
SafeLine protects any web server by filtering malicious requests before they reach the application, supporting multiple sites and handling up to 800 QPS in the free tier.
Workflow
- Install SafeLine via the provided shell script
- Run SafeLine as a container on a host with at least 1 CPU, 1 GB RAM, 5 GB disk
- Open the SafeLine console at https://
<safeline-ip>:9443 - Add a protected site: specify upstream server address, domain, and public port
- Repoint DNS for the domain to the SafeLine host or move the web server to a private port
- Traffic now flows Client → SafeLine → web server
Evidence
SafeLine’s semantic‑analysis engine inspects request intent, not just signatures. Out of the box it blocks SQL injection, XSS, code/command injection, path traversal, and automated abuse
The Community Edition covers up to 10 apps at 800 QPS at no cost.
- Record date: 2026-09-22T02:45:31.441Z