Nginx自签名https和反向代理

$ sudo mkdir -p /etc/nginx/ssl
$ sudo openssl req -x509 -nodes -days 3650 -newkey rsa:2048 -keyout /etc/nginx/ssl/nginx.key -out /etc/nginx/ssl/nginx.crt

upstream wiki  {
    server 172.168.100.47:80; # wiki.renhl.com
}

upstream hub  {
    server 172.168.100.48; # hub.renhl.com
}

## Start wiki.renhl.com ##
server {

    listen 80;

    listen 443 ssl;

    ssl_certificate /etc/nginx/ssl/nginx.crt;
    ssl_certificate_key /etc/nginx/ssl/nginx.key;

    server_name  wiki.ecloud.com.cn;

    access_log  /var/log/nginx/wiki.renhl.access.log;
    error_log  /var/log/nginx/wiki.renhl.error.log;
    root   /usr/share/nginx/html;
    index  index.html index.htm;

    ## send request back to apache1 ##
    location / {
     proxy_pass  http://wiki;
     proxy_next_upstream error timeout invalid_header http_500 http_502 http_503 http_504;
     proxy_redirect off;
     proxy_buffering off;
     proxy_set_header        Host            $host;
     proxy_set_header        X-Real-IP       $remote_addr;
     proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
   }
}
## End wiki.renhl.com ##

## START hub.renhl.com ##
server {
    server_name hub.renhl.com;

    listen 80;
    listen 443 ssl;

    ssl_certificate /etc/nginx/ssl/nginx.crt;
    ssl_certificate_key /etc/nginx/ssl/nginx.key;

   access_log  /var/log/nginx/hub.renhl.access.log;
   error_log   /var/log/nginx/hub.renhl.error.log;
   root        /usr/local/nginx/html;
   index       index.html;

   location / {
        proxy_pass  https://hub;
        proxy_next_upstream error timeout invalid_header http_500 http_502 http_503 http_504;
        proxy_redirect off;
        proxy_buffering off;
        proxy_set_header        Host           $host;
        proxy_set_header        X-Real-IP       $remote_addr;
        proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
    }
}
## END hub.renhl.com  ##

allow 111.206.238.12;
allow 111.206.238.94;
deny all;