Vena Add-In – Additional Steps for Firefox
If you are using Mozilla Firefox, a few additional configuration steps are required before installing the Vena Add-In1. Open Mozilla Firefox and navigate to Options

2. In the Options pop-up window, navigate to the Security tab. In there, select General Exceptions

3. Add the following website as a trusted site: *.vena.io.

4. Visit Install the Vena Add-Infor next steps