SSLv3 is now insecure, and is soon going to be disabled by default. https://blog.mozilla.org/security/2014/10/14/the-poodle-attack-and-the-end-of-ssl-3-0/ In the meantime, you can use this extension to turn off SSLv3 in your copy of Firefox. When you install the add-on, it will set the minimum TLS version to TLS 1.0 (disabling SSLv3). If you want to change that setting later, like if you really ne