Your outcome may
vary. If the instructions below don't work, I will
recommend you use either Internet Explorer for
CAC related websites.
Some Government websites simply will NOT work with
anything other than Internet Explorer. One example is the S/MIME
control needed for your @mail.mil email address. This program was
written exclusively for Internet Explorer. So, Firefox, Safari, and
Google Chrome will all have issues trying to digitally sign or encrypt any
There are now 2 other options use your CAC with Firefox without
installing ActivClient. They are both
Open Source middleware programs called
Coolkey and OpenSC.
Card Manager 1.0.1-6-1 Installer for Windows can be downloaded
(Select the Download link next to: Smart Card Manager 1.0.1-6-1
Installer for Windows) (Alternate
download location). For Firefox to work, you need to
also download: Coolkey for Windows Built 10-30-2010 (r91) (Alternate
download location), copy the
3 .dll files to: C:\Program Files(x86)\Mozilla Firefox folder.
Then follow the helpful file in #2 below
OpenSC software can be downloaded
in 32 bit or
or 64 bit versions. A person has tested this option and
"The 64 bit did not work for me, the 32 bit did.
When I installed the 64 bit, I could see the .dll in Windows Explorer,
and yet FireFox would not show it to me in its Browse window.
I even typed it in myself, and raised the user permissions on the
.dll to full control - neither worked.
Here is link to page that reports the same '64 bit doesn't work, 32
bit does' result.
anyone else gets different results, please let me know
if it worked for you.
If you figure out any other ways to make Firefox work
without having to install any middleware like: ActivClient
or OpenSC or Coolkey, please
email me and let me know HOW you did it.
for configuring Firefox with Windows
Video for configuring your Mac
NOTE: Outcomes vary greatly...It could
be as simple as steps 1 & 2 which allows the
Firefox application to "see" the CAC while other users have tried all of
the suggestions and still have issues. A few computers have
1. Download ActivClient 126.96.36.199 from
links on ActivClient page,
don't forget to also
Use an Open
Source middleware program like
the 32 bit version or the
the 64 bit version.
2. Use this
file that may assist you in making your CAC work with Firefox (if it
already works with Internet Explorer)
Due to Firefox's unpredictable nature, you may not be able to use it with
your CAC. Give these ideas a try, you may get lucky.
2a. Another version
of helpful file (it shows
V4, but the process is the same for the current version of Firefox)
3. Download the
dod_configuration-1.3.6.xpi Firefox installation file from
instructions located on the Firefox 2 page
5. An option for
you to be able to use Firefox and still access CAC enabled sites -
V2 (Enhanced IE Tab)
6. If you'd
like to use Firefox on your computer, but do not want to install it,
If you are seeing the following message:
Information received from:
You'll need to enable SSL renegotiation, do this by
pointing your browser to about:config. After confirming that you
know what you are doing, you need to start typing in:
set it to true (by double clicking it). After this you
should be able to access the site.
Do you want to use Thunderbird to check your AKO email and digitally sign?
Common Firefox SSL Errors
key enabling Firefox information