To check any errors/problems that the ssl causew we call: https://www.ssllabs.com/ssltest
If this message pops up “Server sent fatal alert: handshake_failure” meanw that the browsers are not supported.
The solution is to adjust the ciphers by Apache/Nginx/OpenLiteSpeed/LiteSpeed/ProFTPD/Pure-FTPd.
The choices are modern, intermediate, old and are analyzed here: https://ssl-config.mozilla.org
The default in the latest versions of directadmin are intermediate.
To correct the error/problem we need to switch it to old.
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cd /usr/local/directadmin/custombuild/ ./build set ssl_configuration old ./build rewrite_confs |
