--- title: My Chromebooks are behind a proxy server. What URLs do I need to pass through for Classroom Commander to work? description: screenbeam eol product classroom commander --- [Skip to content](https://commercial.screenbeam.com/en/support/my-chromebooks-are-behind-a-proxy-server.-what-urls-do-i-need-to-pass-through-for-classroom-commander-to-work#main-content) English Show submenu for translations [![ScreenBeam logo](https://commercial.screenbeam.com/hs-fs/hubfs/ScreenBeamLogo-Zendesk-2.png?width=180&height=22&name=ScreenBeamLogo-Zendesk-2.png)](https://www.screenbeam.com/) Open main navigation Close main navigation - English Show submenu for translations - [Open Ticket](https://helpdesk.screenbeam.com/ticket) [Open Ticket](https://helpdesk.screenbeam.com/ticket?hsLang=en) How can we help? - There are no suggestions because the search field is empty. 1. [Commercial Knowledge Base](https://commercial.screenbeam.com/en/support?hsLang=en) 2. [EOL Products](https://commercial.screenbeam.com/en/support/eol-products?hsLang=en) 3. [Classroom Commander](https://commercial.screenbeam.com/en/support/eol-products?hsLang=en#classroom-commander) # My Chromebooks are behind a proxy server. What URLs do I need to pass through for Classroom Commander to work? This article applies to the following ScreenBeam products: Classroom Commander The following root URLs should be configured as bypass addresses for your proxy server. This will allow the Classroom Commander apps and extensions on the Chromebook or Chrome browser to communicate with the necessary destinations and function properly. - https://classroom.googleapis.com/v1/ - https://server.sbcccweb.com/ - https://\[receiver\_ip\]:8080/ - This last one may not be required if the Chromebooks can reach the receivers on your network without additional configuration on the proxy - [FAQs](https://commercial.screenbeam.com/en/support/faqs?hsLang=en#main-content) - [CMS Enterprise](https://commercial.screenbeam.com/en/support/faqs?hsLang=en#cms-enterprise) - [Screen Mirroring](https://commercial.screenbeam.com/en/support/faqs?hsLang=en#screen-mirroring) - [Miracast](https://commercial.screenbeam.com/en/support/faqs?hsLang=en#miracast) - [Conference](https://commercial.screenbeam.com/en/support/faqs?hsLang=en#conference) - 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