E2Guardian

E2Guardian

E2Guardian is an open source web content filter that allows network administrators to block access to inappropriate or harmful websites. It uses URL and content filtering, providing granular control over what users can access.
web-filter url-filter content-filter network-security

E2Guardian: Open Source Web Content Filter

E2Guardian is an open source web content filter that allows network administrators to block access to inappropriate or harmful websites. It uses URL and content filtering, providing granular control over what users can access.

What is E2Guardian?

E2Guardian is an open source web filtering solution developed to enable schools and businesses to easily control Internet access and restrict access to inappropriate or harmful web content. It works as a proxy server, sitting between users and the wider Internet to filter requests in real-time based on rules and blacklists.

Some key features of E2Guardian include:

  • URL and content filtering based on whitelists and blacklists
  • Advanced blocking modes like phrase matching and PICS filtering
  • Customizable blocked pages
  • Support for HTTPS filtering
  • BYOD filtering using NTLM or LDAP authentication
  • Logging and reporting to track browsing activity
  • Written in C++ for high performance

E2Guardian is highly configurable, allowing network admins granular control over what types of websites or content to block across the network or for specific users/groups. It can help organizations improve productivity, minimize legal risks from inappropriate content, and better protect networks and users.

E2Guardian Features

Features

  1. URL filtering
  2. Content filtering
  3. Blacklist and whitelist management
  4. Custom block pages
  5. Logging and reporting
  6. AD/LDAP integration
  7. Filtering based on time/day
  8. Bypass options for trusted users
  9. HTTPS inspection

Pricing

  • Open Source

Pros

Open source and free

Granular filtering controls

Active development community

Integrates with Squid and DansGuardian

Supports many platforms

Cons

Complex configuration

No web-based interface

Limited reporting capabilities

HTTPS filtering requires setup

No user-based policies


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