The Open Source Filter is offered for free to run with ClearOS system. The latest version, 2.1.26-1, comes with standard GPL license and boasts powerful features like blocking unauthorized access, malware, content filtering as per defined policies etc. Documentation for this app can be found here.

Securly provides cloud-based web filtering for all devices including Chromebooks, iPads, Macs, and Windows in addition to suicide prevention and classroom device management tools. May 25, 2016 · Secure Web Gateway: Stay ahead of the latest threats with comprehensive protection for all your users no matter how or where they connect. And you can choose the deployment option that best suits NxFilter is a free DNS filter for commercial and non-commercial purposes. It's light, fast and easy. You can use it for any environment including companies, schools, hospitals, churches, libraries, etc. URL filtering is a type of technology that helps businesses control their users’ and guests’ ability to access certain content on the web. If you’ve ever gotten a “block” page while surfing the internet at the office, then your company is using web filtering. Powered By The Industry’s Leading Content Categorization & URL Filtering Provider zvelo is the leading provider of URL and IP categorization, with nearly 500 categories in over 200 languages, including topic-based, objectionable and malicious, making it ideal for integration with web filtering, brand safety, subscriber analytics, and other URL Filtering blocks web threats to reduce malware infections, decrease help desk incidents and provide relief to valuable IT resources. Forcepoint URL Filtering is an easy-to-deploy, transparent filter and security solution that avoids the complexity of a proxy gateway.

To manage the policies, go to Settings > Rules > Web content filtering. Use the filter to locate policies that contain certain blocked categories or are applied to specific device groups. Create a policy. To add a new policy: Select Add policy on the Web content filtering page in Settings. Specify a name. Select the categories to block.

There are several ways of implementing web filtering for free but you have to think ahead about how much care and feeding that free solution will need in the long term. OpenDNS is an excellent service to prevent cryptolocker and a wide range of malware as well as control web browsing. They have free tiers and paid tiers. Customizable content filtering. Pre-configured to block adult content. Retain the past year of internet stats. Restrict internet access to specific white-listed domains for a "locked-down" environment. Free email support. Price. Free. Free. $19.95/year. $20/user (Only for 1-5 users) Setup Guide. Sign Up. Buy Now. Buy Now May 19, 2016 · It has website filtering with block lists and allow lists but no reporting, alerts, time restrictions, or filtering of email, internet messaging, etc. It installed a faulty add-on to Firefox, the KidTrackmonitor didn't work, and it has not been updated since September 2007. I also looked at the following free child-safe browsers.

Securly provides cloud-based web filtering for all devices including Chromebooks, iPads, Macs, and Windows in addition to suicide prevention and classroom device management tools.

A Free Cross Platform Web Filter GateSentry is a cross-platform proxy server with content filtering capabilities, user authentication system and data consumption statistics. It's built with Golang and free to use. Works everywhere!