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Filtering for K12/Education

Thousands of schools worldwide rely on Guardian to control internet access, protect students and prevent proxy abuse.

As an intelligent, 2nd generation filter it offers a cost-effective solution to the challenge of protecting students and school networks from undesirable content, while still allowing open access to online learning resources.

Key Features

Compliance   One-Click CIPA Compliance:
CIPA Compliance is achieved with just one click using the CIPA 'default AUP' policy setting. Guardian is also accredited by Becta (UK Government Education Agency) and includes content from the Internet Watch Foundation database.

Intelligent, Accurate Filtering   Dynamic Content Analysis:
Enables Guardian to accurately spot the difference between inappropriate and legitimate, learning based searches by analyzing the content, context and construction of every web page requested in real time.

Proxy Avoidance   Accurate Anonymizer Prevention:
Thanks to our Dynamic Content Analysis™ technology and a continual commitment to keeping detection signatures up to date, few vendors can approach SmoothWall's proxy-blocking record. Guardian detects many types of anonymizer including web-based proxies, secure/SSL proxies, proxy networks and applications. Download Proxy Abuse WhitePaper

Safe Surfing   Safe Surfing:
Safesearch settings can be forced on popular search engines and image search results can be selectively displayed, omitting images that come from inappropriate sources. Guardian can also be configured to block content within specific websites like Youtube – so the site itself can be allowed, but access blocked to unsuitable content/videos within it.

Flexibility   Flexible Classroom Control:
Guardian offers user defined time and room-based blocking, so filtering can be flexibly adjusted to suit different users, in different classes or at different times of the day. Troublesome users can even be banned from the system for a specified period. Customizable block pages (with temporary unblock buttons) and a handy User Portal allow a limited level local/departmental control.

Advanced, Scheduled Reporting   Granular Reporting:
A comprehensive selection of graphical drill down reports (300+) includes most visited sites, user activity, attempted access to blocked pages, bandwidth utilization and performance. Reports can be generated for individual websites (e.g. most viewed YouTube videos or top ten Wikipedia editors). The online activities of students (including Instant Messaging) can also be monitored in real time.

Instant Messaging (IM) Support   Instant Messaging (IM) Support:
Support for Instant Messaging allows students' IM conversations to be controlled and monitored. This is a useful feature where administrators need to allow IM in a controlled way outside of school hours. (e.g. in boarding schools).

Web Cache   Web Cache:
Guardian's web proxy cache helps to optimize bandwidth use by storing and retrieving frequently accessed web pages. In a school environment, where online learning resources need to be accessed at the same time by many users, web caching is essential to maintain quality of service.


Thousands of educational institutions worldwide rely on SmoothWall security. To see how and where we have solved problems for different schools worldwide please see Case Studies & Testimonials.


Network Guardian