Nginx anti-generational, backend one IP binding multiple SSL certificates, resulting in a connection failure resolution: HTTPS and SNI extensions

Default: When the SSL protocol is used for handshake negotiation, the default is not to send the host name, that is, in the form of IP for HTTPS connection handshake negotiation, which leads to a problem, when there are multiple virtual hosts on a server using the same IP,

Nginx will be an error in the Counter-generation!

SNI (server Name Indication): is to solve a server, the same IP, the use of multiple domain name certificates, that is, using SSL to connect to the server, the first to send access to the site domain name, so that the server will return a suitable certificate based on the domain name.

Nginx Open sni:proxy_ssl_server_name on;

Nginx anti-generational, backend one IP binding multiple SSL certificates, resulting in a connection failure resolution: HTTPS and SNI extensions