SafeLine open source analysis

SafeLine is a self-hosted WAF(Web Application Firewall) / reverse proxy to protect your web apps from attacks and exploits.

Project overview

⭐ 19362 · Go · Last activity on GitHub: 2025-11-05

GitHub: https://github.com/chaitin/SafeLine

Why it matters for engineering teams

SafeLine addresses the critical need for protecting web applications against common security threats such as SQL injection, cross-site scripting, and brute force attacks. It provides a self hosted option for teams seeking to implement a Web Application Firewall (WAF) and reverse proxy without relying on third-party services. This project is particularly suited for engineering teams focused on application security, including security engineers and backend developers responsible for maintaining secure production environments. SafeLine has proven maturity and reliability, with a strong community and consistent updates, making it a production ready solution for many scenarios. However, it may not be the best fit for teams looking for a fully managed cloud-based WAF or those without resources to maintain a self hosted security layer, as it requires ongoing management and tuning to remain effective.

When to use this project

SafeLine is a strong choice when teams need a self hosted, open source tool for engineering teams to protect web applications from a broad range of attacks while maintaining full control over their security infrastructure. Teams should consider alternatives if they prefer a managed service or require integration with complex cloud-native environments.

Team fit and typical use cases

Security engineers and backend developers benefit most from SafeLine, using it to implement a robust security layer in front of web applications and APIs. It is commonly deployed in products where protecting sensitive data and maintaining uptime are critical, such as financial services, e-commerce platforms, and enterprise applications. This open source tool for engineering teams enables thorough inspection and filtering of incoming traffic, helping teams meet compliance and security requirements.

Topics and ecosystem

api-gateway application-security appsec blueteam bruteforce captcha cve cybersecurity firewall hackers http-flood security self-hosted sql-injection vulnerability waf web-application-firewall web-security websecurity xss

Activity and freshness

Latest commit on GitHub: 2025-11-05. Activity data is based on repeated RepoPi snapshots of the GitHub repository. It gives a quick, factual view of how alive the project is.