Blog
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How to Update DNS Settings on a Telstra Modem
1. Connect to the modem 2. Open modem settings 3. Log in 4. Go to Advanced / LAN settings Depending on modem version, look for one of these paths: 5. Change DNS settings 6. Enter your DNS servers Example (replace… Read more →
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Blocking Alternate DNS via Static Routing
When enforcing DNS-based content filtering, one of the most common ways users attempt to bypass controls is by manually setting their DNS to a public resolver like 8.8.8.8 (Google), 1.1.1.1 (Cloudflare), or 9.9.9.9 (Quad9). The most effective way to prevent… Read more →
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Block Page HTTPS Errors: Options to Manage a Custom Block Page
When browsing on a device configured with CleanBrowsing, you may notice that blocked HTTPS sites sometimes result in a browser error instead of showing the familiar CleanBrowsing block page. This is a limitation of how HTTPS encryption works and how… Read more →
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Why Some Apps Bypass DNS Filtering and How to Handle It
When you configure CleanBrowsing on your device or network, most apps and browsers will respect the DNS rules and filtering you’ve put in place. However, you may notice certain apps still work even when you expect them to be blocked.… Read more →
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Configuring CleanBrowsing on Windows Devices using Intune
If your school or organization manages a fleet of Windows devices, you can use Microsoft Intune to enforce CleanBrowsing filters across all laptops, desktops, and tablets. This ensures that no matter where the device connects — at home, on public… Read more →
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How to Diagnose a DNS Resolution Issue (e.g., Video Not Playing)
Sometimes you may find that a website loads fine, but certain parts of it — like an embedded video, a live stream, or even an image — doesn’t display properly. This often happens when one of the domains required to… Read more →
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Bulk Add IPs to Your Network via API (Single & CSV)
This guide shows how to add a single IP and bulk-import many IPs from a CSV to your CleanBrowsing Network list using the API. It also covers how to list current IPs and remove IPs (single & bulk). Prerequisites Profiles:… Read more →
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How to Check if Safe Search is Configured on Your Device via Command Line
DNS-based Safe Search enforcement works by redirecting search engine domains (like www.google.com or www.bing.com) to specific IP addresses or CNAMEs. You can verify whether Safe Search is working on your device using the command line. This guide provides commands for… Read more →
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Understanding Carrier-Grade NAT (CGNAT)
If you’ve ever noticed that your public IP address changes depending on what site you visit, or that you’re getting blocked or flagged on services for suspicious behavior, there’s a good chance you’re experiencing the effects of Carrier-Grade NAT (CGNAT)… Read more →
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How to Measure DNS Performance with CleanBrowsing
When a customer reports that a website feels slow, it’s important to isolate whether the slowness is due to DNS resolution or something else (like the web server or routing). This guide outlines how to measure DNS performance using CleanBrowsing… Read more →