Why my reverse proxy (nginx) does not work

Question

I am installing a site under my machine. I have a NodeJS server that listens on port 4000. I am using an NGINX reverse proxy, so that it is accessible from port 80. Here is the following configuration in / sites-availabes

upstream site {
  server 127.0.0.1:4000;
}

server {
   listen 80;
   server_name site.infra.monsite.blog;
   
   location / {
       proxy_pass http://site;
       proxy_http_version 1.1;
       proxy_set_header Upgrade $http_upgrade;
       proxy_set_header Host $host;
       proxy_cache_bypass $http_upgrade;
   }
}

But I can't access my site from site.infra.monsite.blog; which points to port 80 of the machine. Are there any ports to open like on Windows, or an NGINX configuration that I missed?

Yet when I do "curl -X GET http://localhost/": It works on the machine. Thanks for your help.

yes, port 80 http should be open in your firewall and domain should point to the machine — Marc Sances
– Marc Sances, Commented Sep 21, 2020 at 10:16

Robertino Vasilescu · Accepted Answer · 2020-09-21 09:07:40Z

1

Try this:

upstream site {
  server 127.0.0.1:4000;
  keepalive 64;
}


server {
    listen 80;
    server_name www.example.com;
    return 301 https://www.example.com$request_uri;
}


location / {
    proxy_pass http://site;
    proxy_http_version 1.1;
    proxy_redirect off;
    proxy_pass_header  Set-Cookie;
    proxy_set_header Connection 'upgrade';
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-NginX-Proxy true;
    proxy_pass_header X-XSRF-TOKEN;
    proxy_read_timeout 240s;
   }

answered Sep 21, 2020 at 9:07

Robertino Vasilescu

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