In fact, users don’t have to install any plug-in, and they certainly don’t have to borrow Chrome’s digital rights management (DRM) as a workaround for the limitation anymore. Mozilla added EME support for Firefox on Linux last year, allowing the browser to play encrypted content. It might have taken the organization some time to enable playback of DRM-protected HTML5 videos, but now that it’s here, Linux users can simply load the website on Firefox and hit play.