CAC with Firefox Tip – Selecting Certificates

A quick tip if using a smartcard reader (for things like CAC) with Firefox – some web sites may not work right if you cannot select the proper certificate.  Some sites want the signature certificate and others want the email certificate.  Internet Explorer offers you a choice – Firefox may not, unless you do THIS:

  1.  Open Preferences.
  2. Advanced menu, Certificates – “When a web site requires a certificate”, select the button “Ask me every time”.

This will then force all sites to present you with a choice of certs to use from the card.  A little clunky, but it works well.

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