Nginx reverse proxy error:14077438:SSL SSL_do_handshake() failed

Question

So i am using following settings to create one reverse proxy for site as below.

  server {
     listen 80;
     server_name mysite.com;
     access_log  /var/log/nginx/access.log;
     error_log  /var/log/nginx/error.log;
     root /home/ubuntu/p3;
   location / {
     proxy_pass  https://mysiter.com/;
     proxy_redirect  https://mysiter.com/ $host;
     proxy_set_header Accept-Encoding "";
    }
  }

But getting BAD GATE WAY 502 error and below is the log.

2016/08/13 09:42:28 [error] 26809#0: *60 SSL_do_handshake() failed (SSL: error:14077438:SSL routines:SSL23_GET_SERVER_HELLO:tlsv1 alert internal error) while SSL handshaking to upstream, client: 103.255.5.68, server: mysite.com, request: "GET / HTTP/1.1", upstream: "https://105.27.188.213:443/", host: "mysite.com"
2016/08/13 09:42:28 [error] 26809#0: *60 SSL_do_handshake() failed (SSL: error:14077438:SSL routines:SSL23_GET_SERVER_HELLO:tlsv1 alert internal error) while SSL handshaking to upstream, client: 103.255.5.68, server: mysite.com, request: "GET / HTTP/1.1", upstream: "https://105.27.188.213:443/", host: "mysite.com"

Any help will be greatly appreciated.

Answer 1

Seeing the exact same error on Nginx 1.9.0 and it looks like it was caused by the HTTPS endpoint using SNI.

Adding this to the proxy location fixed it:

proxy_ssl_server_name on;

• https://en.wikipedia.org/wiki/Server_Name_Indication
• http://nginx.org/en/docs/http/ngx_http_proxy_module.html#proxy_ssl_server_name