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Firefox - Error-handling for "Secure Connection Failed"

With Firefox, when accessing some MIT-certificate protected websites, you may receive the error "Secure Connection Failed". To connect to the site for the current and future sessions, do the following.

  1. If you are, indeed, trying to get to an MIT-related site, such as a vendor, click Or you can add an exception....
    Secure connection failed screen

  2. Disregard the additional warnings in this and subsequent windows and click Add Exception.
    Extra warnings

  3. Click Get Certificate.
    Get certificate screen

  4. See that Permanently store this exception is checked, then click Confirm.
    Confirm security exception screen"

  5. Click Resend to load the intended page.
    Confirm resend

To check the certificate exception, in Firefox, go to Preferences > Advanced > Encryption > View Certificates > Servers.

IS&T Contributions

Documentation and information provided by IS&T staff members


Last Modified:

September 26, 2012

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