SafeLine
Web application firewall / reverse proxy to protect your web apps from attacks and exploits.
Maintained, but at a slower pace than the leaders in its category.
Commit activity more than 7% of tracked projects; popularity more than 89%. How this is calculated.
Commits, last 11 months
| Stars | 23k |
|---|---|
| Latest release | v9.4.1 · 3 Sept 2026 |
| Repo updated | 22 Sept 2026 |
| Licence | GPL-3.0 |
| Built with | Docker |
Is SafeLine actively maintained?
SafeLine is under active development: 12 commits landed over the last 11 months, averaging roughly 4 commits a month in the most recent quarter.
The most recent tagged release, v9.4.1, shipped within the last month — a current, installable version exists today.
SafeLine ranks #13 of 19 tracked web servers projects. Several better-maintained options exist in the same category — they are listed below.
What SafeLine actually does
SafeLine functions as a web application firewall and reverse proxy designed to intercept and filter traffic before it reaches your web services. It acts as an intermediary layer to detect and block common web-based attacks and exploits. The software is distributed under the GPL-3.0 licence and is hosted via containerisation.
Best fit: Self-hosters who need a dedicated proxy layer to filter malicious traffic heading towards internal web applications.
Worth knowing: The moderate maintenance activity indicates that you should be prepared to monitor for updates and troubleshoot issues independently.
Deployment notes
Because it runs via Docker, you will typically need to configure persistent volumes for log and configuration storage, alongside a separate mechanism to handle TLS termination if required.
Alternatives to SafeLine
Projects in the same categories, ordered by health score.
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Lightweight, simple, and performant reverse proxy with WebUI, Docker integration, automatic shutdown/startup for container based on traffic.
Docker container for managing Nginx proxy hosts with a simple, powerful interface.
Fast, memory-safe web server written in Rust.