SSL管理器
SSL - Supports some version of SSL; may support other versions
SSLv2 - Supports SSL version 2 or later; may support other versions
SSLv3 - Supports SSL version 3; may support other versions
TLS - Supports some version of TLS; may support other versions
TLSv1 - Supports RFC 2246: TLS version 1.0 ; may support other versions
TLSv1.1 - Supports RFC 4346: TLS version 1.1 ; may support other versions
TLSv1.2 - Supports RFC 5246: TLS version 1.2 ; may support other versions