Cisco Unified SSL Issue with New Firefox


Since the 30th of June of 2015, Mozilla Firefox doesn’t support connections to a server with weak Diffie-Hellman ciphers anymore (Mozilla Release Notes🙂


Perform at your own risk. Accidental adjustment may effect Firefox’s performance. To fix type about:config in your Firefox web browser, in the address bar. Change the next settings with the next values:


The values should be true by default. Click on them to change to “false.”

Now your Cisco Unified Communications Manager is accessible.

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