Download and install the Firefox ESR version. In other words, the ActiveX plugin is supported by Firefox ESR. ESR stands for “Extended Support Release”, which means that even though a newer version of Firefox may be out, the ESR version will still support the plugins for an extended period of time. In order to view the Hikvision cameras or NVR/DVR using Firefox, you need to install the Firefox ESR version.

Which, in return, the camera feeds will not play if you try bringing them up. The current version of Firefox does not support the ActiveX plugin. How to access a Hikvision device on Firefox?

If you use Google Chrome, check the guide in this link. You’ll be able to see the live feed, playback, modify the settings, etc. In this step-by-step guide, we will show how to access a Hikvision device ( IP camera, NVR, DVR) using Mozilla Firefox browser. However, there are a few tricks you need to do in order to fix this issue. The new version of Mozilla Firefox doesn’t allow the installation of ActiveX plugins anymore, so you can’t see the cameras using this browser. What plugin to install on Firefox? How to see a Hikvision camera or NVR using Firefox? Many users want to view their Hikvision cameras or access the DVR/NVR using Mozilla Firefox.

Allow activex on firefox