Starting on January 1, 2016, Firefox 43 began rejecting new SSL certificates that use the SHA-1 cryptographic hash function, but the latest version of the browser (43.0.4) no longer does that.
Original author: SecurityWeek News
Starting on January 1, 2016, Firefox 43 began rejecting new SSL certificates that use the SHA-1 cryptographic hash function, but the latest version of the browser (43.0.4) no longer does that.