SafeLine WAF: Easy Installation and Pro-Level Web Protection

Lulu - Aug 26 - - Dev Community

1. Introduction to SafeLine

SafeLine is a Web Application Firewall (WAF) developed by Chaitin Technology over nearly 10 years. It is powered by an intelligent semantic analysis algorithm designed to provide comprehensive security protection for web applications.

2. Minimum System Requirements

  • Operating System: Linux
  • CPU Architecture: x86_64
  • CPU Instruction Set: Must support SSSE3
  • Software Dependencies: Docker 20.10.14 or higher, Docker Compose 2.0.0 or higher
  • Minimum Resources: 1 Core CPU, 1 GB RAM, 5 GB Disk Space

3. Installing SafeLine

The setup system used: CentOS 7

SafeLine provides three installation methods, but I opted for the online installation:



bash -c "$(curl -fsSLk https://waf.chaitin.com/release/latest/setup.sh)"


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Once the installation is complete, log in to the management interface via your browser: https://waf-ip:9443

Simply enter your username and password to access the main dashboard.

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4. Configuring SafeLine

Add your website under the "Web Services" section.

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Once the site is added, you can begin monitoring it.

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5. Testing the Protection

For example, accessing:



http://192.168.134.161/vulnerabilities/sqli/?id=1 group by 1&Submit=Submit#


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You'll notice that the request gets intercepted, and you can view the original data packets under "Attack ."

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