DansGuardian
DansGuardian is an open source web content filter that blocks access to inappropriate or harmful web content. It works by scanning requested web pages for blacklisted phrases and filtering out pages that match based on customizable categories and rules.
web-filter
content-filter
blacklist
DansGuardian: Open Source Web Content Filter
Web content filter, blocks access to inappropriate or harmful web content, customizable categories and rules, open source
What is DansGuardian?
DansGuardian is an open source web content filtering solution that helps protect networks and users from inappropriate, harmful, or otherwise unwanted web content. It works by intercepting HTTP requests and scanning requested web pages against customizable blacklists and filters to block access to web sites and pages in defined categories.
Some key features of DansGuardian include:
- Granular filtering based on category, phrase matching, site reputation, and more
- Customizable blacklists and whitelists
- Language support for filtering content in non-English languages
- Advanced features like safe search enforcement, file type blocking, and more
- Supported on Linux platforms like Debian, Ubuntu, CentOS, etc.
- Integrates with existing proxy servers and LDAP environments
- Active open source development community
DansGuardian is commonly used in schools, businesses, libraries, and other environments to help enforce acceptable web use policies by limiting access to sites with content considered inappropriate, unproductive, dangerous, or otherwise unwanted. Its high degree of customizability makes DansGuardian a popular choice for granular web filtering across diverse use cases.
DansGuardian Features
Features
- Web content filtering
- Blacklist and whitelist management
- Customizable filtering categories and rules
- Logging and reporting capabilities
- Multi-language support
- Supports various proxy servers
Pricing
- Open Source
Pros
Open source and free to use
Highly customizable filtering options
Comprehensive logging and reporting
Actively maintained and updated
Cons
Can be complex to configure for non-technical users
May slow down internet access due to content scanning
Limited support for modern web technologies
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