This guide assumes you are using a 64 bit edition of Firefox.
- Click on the hamburger menu and select
Options
- Select
Privacy & Security
in the left navigation - Select
Security Devices
button at the bottom of the page - Select
Load
- For Module Name say something like
CAC
Browse
toC:\Program Files\HID GLobal\Active Client\acpkcs211.dll
- Click
Ok
and restart Firefox. - Test a CAC site.