SSL_ERROR_RX_UNEXPECTED_CHANGE_CIPHER error in Firefox 44.0
The error in the subject has been encountered at random by some of my users when using Firefox. In researching this issue I've come across a number of dated articles/bits of information that suggest at one point there was a bug in OpenSSL 0.9.8g that caused this error. We are running 1.0.1j-1.4.0.420
Since this is a client side error, I understand this may no longer be tied to the original OpenSSL bug, however I was hoping to rule it out. In doing so I wanted to trace the changelist referenced in the firefox bug post @ https://bugzilla.mozilla.org/show_bug.cgi?id=430703 however it looks as though the tranition to GitHub has since made the link obsolete. The link in question is http://cvs.openssl.org/chngview?cn=17098 and there is reference to your involvement in this issue.
I have sent an email to one of the developers at OpenSSL who was referenced in the links above but have not heard back. What I'm wondering is if there is any client side tracing/debugging I can enable to get more details on this issue?
The error is referenced here but provides limited guidance beyond 'its a server side issue'
https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/SSL_functions/sslerr.html
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See also:
Maybe contact the Firefox devs via IRC or news group.
Thanks. I have posted this to the newsgrup @ http://mozilla.6506.n7.nabble.com/SSL-ERROR-RX-UNEXPECTED-CHANGE-CIPHER-error-in-Firefox-44-0-td351579.html
I'll mark this support post as solved.