The Ultimate Free WAF For Webmaster-SafeLine

What is SafeLine?

SafeLine is a powerful web security gateway designed to protect your websites from a wide range of attacks and exploits.

Protection Capabilities: SafeLine defends against various web attacks, including SQL injection, code injection, OS command injection, CRLF injection, LDAP injection, XPath injection, RCE, XSS, XXE, SSRF, path traversal, backdoors, brute force attacks, HTTP floods, bot abuse, and more.

What is a WAF?

WAF stands for Web Application Firewall. Unlike traditional firewalls, which operate at the network level, a WAF works at the application layer, offering enhanced protection for web systems that rely on HTTP/HTTPS protocols. It acts as a barrier against hacker attacks, safeguarding your web applications.

Core Capabilities

1. Defense Against OWASP Attacks:
   
   SafeLine is a crucial tool for defending against OWASP Top 10 attacks, including SQL injection, XSS, insecure deserialization, and more.

2. 0-Day Attack Protection:
   
   SafeLine uses an intelligent, rule-free detection algorithm to guard against 0-Day attacks with unknown signatures.

3. Proactive Bot Defense:
   
   SafeLine employs advanced algorithms to challenge suspicious users with CAPTCHA, protecting against automated bot attacks.

4. In-Browser Code Encryption:
   
   SafeLine can dynamically encrypt and obfuscate static code (like HTML and JavaScript) in the browser, preventing reverse engineering.

5. Web Authentication:
   
   SafeLine prompts users for authentication in web apps lacking valid credentials, blocking unauthorized users.

6. Web Access Control List:
   
   SafeLine offers fine-grained control over traffic, allowing you to define rules that determine which requests are allowed or denied.

Why Choose SafeLine?

1. Free and Easy to Use:
   
   SafeLine is deployed via Docker, allowing for a quick, one-command installation. It’s ready to use out-of-the-box with no manual maintenance required.

2. High Security Efficacy:
   
   Featuring the industry’s first intelligent semantic analysis algorithm, SafeLine provides accurate detection with low false positives, making it difficult to bypass. The rule-free algorithm is particularly effective against 0-day attacks with unknown features.

3. High Performance:
   
   SafeLine’s rule-free engine and linear security detection algorithm deliver average request detection delays of just 1 millisecond. With strong concurrency, a single core can easily detect over 2000 TPS, with no upper limit on traffic scale, provided the hardware is robust.

4. High Availability:
   
   Built on Nginx, SafeLine’s traffic processing engine ensures both performance and stability. With a comprehensive health check mechanism, SafeLine’s service availability reaches 99.99%.

Deployment Architecture

The diagram below illustrates a basic website traffic topology. External users send requests that are transmitted to the website server through the network. If malicious users are among them, their attack requests will also be transmitted.

SafeLine is integrated as a reverse proxy, receiving and filtering traffic before it reaches the website server. By detecting and cleaning malicious activity, SafeLine forwards only safe traffic to your server, ensuring that external attack traffic never reaches it.

Website: https://waf.chaitin.com
Discord: https://discord.gg/3aRJ4qfwjA
GitHub: https://github.com/chaitin/SafeLine