Learn

Educational articles on DNS filtering, content filtering, online safety, and how to protect your network.

Understanding Filtering

What is DNS Filtering?

Learn how DNS filtering works, its advantages over other filtering methods, and why it is the most effective approach for families, schools, and businesses.

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What is Content Filtering?

Understand the different types of content filtering: network-based, browser-based, application-based, and service-based.

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What is URL Filtering?

Learn how URL filtering works, how it compares to DNS filtering, and which approach is right for your organization.

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What is Encrypted DNS?

Understand DNS-over-HTTPS (DoH), DNS-over-TLS (DoT), and DNSCrypt. Learn why encrypting DNS queries matters.

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What is SafeSearch?

Learn what SafeSearch is, how it works across Google, Bing, YouTube, and how to enforce it on your network.

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How-To Guides

How to Block Pornography

Step-by-step guide to blocking pornographic and explicit content on any device using DNS-based content filtering.

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How to Block VPN Access

Learn how VPNs bypass content filters and practical steps to prevent VPN usage on your network.

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Configure DNS on Windows

Step-by-step guide to changing DNS settings on Windows 10 and Windows 11, including DNS-over-HTTPS.

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Related Resources

Content Filtering Service

Learn about CleanBrowsing's content filtering service and how it can protect your network.

DNS Filter

Explore CleanBrowsing's DNS filtering features for businesses, schools, and families.

DNS Security

Learn how CleanBrowsing protects against malware, phishing, and other DNS-based threats.

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