If you receive both a handshake and a certificate chain, you know TLS 1.2 is supported. In this case, you should use openssl, and there is a placeholder for -tls_2.

How Do I Know If Tls 1.2 Is Enabled On Linux? In order to use SSL 2.0, you must have 1.2 TLS enabled (check) 5. Scroll down to the bottom and look for the TLS version described in steps 3 and 4. By clicking the Advanced tab, you can access the Advanced tab. In the Control Panel, select Internet Options 2. You can use self-signed certificates to test your SSL/TLS configuration. If you don’t want to do anything else, you can enable mod_ssl using the command a2enmod ssl. If Use SSL 2.0 is enabled, you must also have 1.2 TLS enabled (check). It is critical to remember that TLS 1.2 does not support the certificate chain or the handshake error. The TLS version can be checked by using the OpenSSL command. The Linux version of the TLS protocol can be checked.

This will return information about the SSL/TLS connection, including the protocol version that is in use. Where host is the name of the host to check and port is the port number that the host is running on. In order to check which TLS protocol version is in use on a Linux system, the openssl tool can be used.

Ssl test tls 1.2