Each of the tools involved refer to their the overall https configuration as SSL...

Each of the tools involved refer to their the overall https configuration as SSL. Even if it's not the protocol which is being used, it's a reasonable choice for the tool name.

Apache

SSLProtocol all -SSLv2 -SSLv3 -TLSv1

SSLCipherSuite ECDHE-RSA-AES1....

Nginx

ssl_protocols TLSv1.1 TLSv1.2;

ssl_ciphers 'ECDHE-RSA-AES....'

HAProxy

ssl-default-bind-ciphers ECDHE-RSA-....