SSL_ERROR_UNSUPPORTED_VERSION
Mar12

SSL_ERROR_UNSUPPORTED_VERSION

SSL_ERROR_UNSUPPORTED_VERSION KB ID 0001856 Problem I get it, older versions of TLS and SSL are insecure and we should not be using them. However I needed to get on an HPE Server iLO management interface last week and I was met with this. Firefox Error: SSL_ERROR_UNSUPPORTED_VERSION Microsoft Edge, Chrome, and Opera Error: ERR_SSL_VERSION_OR_CIPHER_MISMATCH Microsoft Internet Explorer Error: This might be because the site uses...

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Software is Preventing Firefox From Safely Connecting to this Site
Jan12

Software is Preventing Firefox From Safely Connecting to this Site

KB ID 0001727 Problem I was setting up some HTTPS/SSL inspection this week and while testing it, I ran into this problem; Firefox Certificate Settings So the machine I’m using DOES trust the CA that issued that certificate, (it’s a FortiGate firewall) But the BROWSER does not. (Firefox maintains its own list of certificates, and more importantly which CA certificates it will trust). Essentially the browser is trying to...

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Firefox: Cannot Open vCenter Web Client
Oct31

Firefox: Cannot Open vCenter Web Client

KB ID 0001482 Problem I wonder how many hours Ive lost trying to get browsers to connect to things, and the browser has not been happy? This week I needed to connect to a vCenter (6.5) web console with Firefox and was greeted with this. Your connection is not secure The owner of {site} has configured their web site improperly. To protect information being stolen, Firefox has not connected to this website. Error Code:...

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Firefox Error – SSL_ERROR_WEAK_SERVER_EPHEMERAL_DH_KEY
May21

Firefox Error – SSL_ERROR_WEAK_SERVER_EPHEMERAL_DH_KEY

KB ID 0001189  Problem Firefox is what I use when Opera does not work, so when I tried to connect to some management servers that did not support Opera this happened;   Secure Connection Failed An error occurred during a connection to {FQDN). SSL received a weak ephemeral Diffie-Hellman key in Server Key Exchange handshake message. (Error code: SSL_ERROR_WEAK_SERVER_EPHEMERAL_DH_KEY)   Solution Navigate to ‘about:config’...

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