This seems to be the same issue than reported on this thread, should it be possible to be related to (and excuse but i dont know the real term in english) the summer time / daylight saving time? there are a lot of places where it was "removed", there are many double-auth services that cause...
in ubuntu, using chromium the error is ERR_SSL_PROTOCOL_ERROR, in firefox it is SSL_ERROR_RX_RECORD_TOO_LONG
EDIT: turning off firewall, same result
EDIT2: windows and android, same browsers same reslut