I was able to succeed with FIrefox version 27.0.1 oddly enough.
(I had previously tried with an older Firefox on a different machine)
Then I tried to update Firefox with the latest version 28 from within Firefox
and Firefox itself said the update failed because
"The integrity of the update could not be verified"
It suggested I download and install manually.
Some time later (when I don't have other work to do) I will go ahead and try that and report back.
Of course, by then SG might be fixed in which case none of this matters.
Based on the SSL labs test that jamesd pointed us to ... the following might be currently expected to work
Handshake Simulation
Android 4.4.2 TLS 1.2 TLS_RSA_WITH_AES_256_GCM_SHA384 (0x9d) No FS 256
Chrome 33 / Win 7 R TLS 1.2 TLS_RSA_WITH_AES_256_CBC_SHA (0x35) No FS 256
Firefox 27 / Win 8 R TLS 1.2 TLS_RSA_WITH_AES_256_CBC_SHA (0x35) No FS 256
IE 11 / Win 7 R TLS 1.2 TLS_RSA_WITH_AES_256_CBC_SHA256 (0x3d) No FS 256
IE 11 / Win 8.1 R TLS 1.2 TLS_RSA_WITH_AES_256_CBC_SHA256 (0x3d) No FS 256
Java 8b132 TLS 1.2 TLS_RSA_WITH_AES_128_GCM_SHA256 (0x9c) No FS 128
OpenSSL 1.0.1e TLS 1.2 TLS_RSA_WITH_AES_256_GCM_SHA384 (0x9d) No FS 256
Safari 6 / iOS 6.0.1 R TLS 1.2 TLS_RSA_WITH_AES_256_CBC_SHA256 (0x3d) No FS 256
Safari 7 / iOS 7.1 R TLS 1.2 TLS_RSA_WITH_AES_256_CBC_SHA256 (0x3d) No FS 256
Safari 7 / OS X 10.9 R TLS 1.2 TLS_RSA_WITH_AES_256_CBC_SHA256 (0x3d) No FS 256
Don't despair if your Browser/OS doesn't match pairs given above.
In my case although I could run Firefox 27, it was on Linux and NOT on Win 8 as given in above table.
SO if you can at least run one of the above browsers ... it is worth a shot even if OS does not match.
Mozilla has a web page on older versions ...
https://support.mozilla.org/en-US/kb/in ... of-firefoxOn that is a link for Firefox 27.0.1 which is the version I had success with.
In any case Thanks Josh for providing us with SG.
Developers understand that when everything is going OK, little to no effort is required.
But when things break, the amount of time to fix can be gruesome. It all depends.