#wss相关配置 

   location /wss

   {

    proxy_pass https://127.0.0.1:23481;

    proxy_http_version 1.1;

    proxy_set_header Upgrade $http_upgrade;

    proxy_set_header Connection "Upgrade";

    proxy_set_header X-Real-IP $remote_addr;

   }

    proxy_pass https://127.0.0.1:23481;这里注意使用https而不是http

    否则会出现错误

    stream_socket_enable_crypto(): SSL operation failed with code 1 

    SSL routines:SSL23_GET_CLIENT_HELLO:http request