This special url scheme allows Google to make sure any data not included with Chrome OS is handled safely with all the safeguards that the Chrome browser provides and that this data can't access functionality reserved for system components. The c hrome://settings and chrome://os-settings URLs should be considered part of the operating system for Chrome OS and part of the browser for Chrome and should never be blocked.Įven if you do block some of them, some users might get around this policy by using JavaScript commands to navigate to these pages regardless. For example, if you block the Wi-Fi subpage chrome://os-settings/networks?type=WiFi, users can still go to the page by using the navigation code within settings from the JavaScript console.Ĭhrome OS system components use chrome-untrusted:// to process data from users or the web and blocking it is not recommended as it will break some system components.

It is best practice to not block some URLs. For example, if you block an entire website and allow a specific webpage URL for that site, users might be able to access other content on that website.

Sometimes, the blocklist and allowlist does not work as expected.

Allow Chrome browser to open apps-Allow specific external protocol handlers so that Chrome browser can automatically open certain apps.

Then, use the allowlist to let users access certain schemes, subdomains of other domains, ports, or specific paths.

Define exceptions to very restrictive blocklists-Use the blocklist to block access to all URLs.

Then, use the allowlist to allow access to a limited list of URLs.

Block access to all URLs except the ones you allow-Use the blocklist to block access to all URLs.

Allow access to all URLs except the ones you block-Use the blocklist to prevent users from visiting certain websites, while allowing them access to the rest of the web.

If you need stronger filtering, use a content-filtering, web-proxy server or extension. Use the blocklist and allowlist for basic URL management.

Restricting users’ internet access can increase productivity and protect your organization from viruses and malicious content found on some websites. Applies to managed Chrome browsers and Chrome OS devices.Īs a Chrome Enterprise admin you can block and allow URLs so that users can only visit certain websites.

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