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Protect Your Website Like a Pro: SafeLine, the Open-Source WAF

When you launch a website, the first challenge you may encounter might not come from your customers, but from threats lurking online. That’s why we’re introducing SafeLine, an open-source Web Application Firewall (WAF) that’s quickly becoming a favorite on GitHub. SafeLine is designed to shield your website from malicious attacks, ensuring that your online presence remains secure.

What is SafeLine?

SafeLine is a free and powerful WAF, built with simplicity in mind. It uses advanced semantic detection technology to guard against common web attacks like SQL injections and cross-site scripting (XSS). Operating as a reverse proxy, SafeLine intelligently filters traffic, blocking malicious activities before they can reach your web servers.

For more information, visit the SafeLine Documentation.

How Does SafeLine Work?

SafeLine functions as a reverse proxy, intercepting and analyzing incoming traffic before it reaches your servers. By filtering out harmful requests, SafeLine helps keep your site secure from potential breaches.

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Installation Guide

Before installing SafeLine, ensure your system meets these requirements:

  • OS: Linux
  • Architecture: x86_64
  • Dependencies: Docker 20.10.6+ / Docker Compose 2.0.0+
  • Minimum Specs: 1 core CPU, 1 GB RAM, 5 GB disk space

Automatic Installation:

To install SafeLine quickly, use the one-click script provided:

bash -c "$(curl -fsSLk https://waf.chaitin.com/release/latest/setup.sh)"
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Once SafeLine is installed, you can access it via your web browser at https://127.0.0.1:9443/.

Getting Started with SafeLine

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After installation, log into SafeLine’s management interface to configure your sites. For optimal performance, we recommend deploying SafeLine on a server that’s separate from your main application.

Dynamic Protection Features

This feature is crucial for safeguarding your frontend code, preventing web crawling, and blocking vulnerability scans.

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Advanced Site Protection

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SafeLine also offers advanced security features, such as blacklisting, whitelisting, CAPTCHA, and identity verification, to strengthen defenses against automated threats.

Key Features of SafeLine

  • Ease of Use: SafeLine is containerized for easy deployment and maintenance with minimal effort.
  • Security: Its intelligent semantic analysis algorithms offer precise detection with low false positives, adapting to unknown 0-day attacks.
  • Performance: SafeLine delivers high throughput with low latency, handling over 2000 TPS on a single core.
  • Reliability: Built on Nginx, SafeLine is stable and includes robust health checks to ensure 99.99% service availability.

Conclusion

SafeLine is an exceptional WAF solution, especially as an open-source project. It offers a robust set of features that cater to the security needs of both individuals and enterprises. If you’re looking for a cost-effective WAF, the community edition of SafeLine is definitely worth exploring.

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