Hello,

I am new in this world (of nginx) and I have a problem that has me crazy.

I am using nginx as a reverse proxy, I managed to configure SSL certificates using LetsEncrypt but nginx does the redirection to the wrong vhost.

This is the configuration of one of the vhost, they are 3 identical ones pointing to the same virtual machine. I have a fourth one pointing to another virtual machine that works without problems.

I have the domains 1.DOMAIN.edu.ar, 2.DOMAIN.edu.ar and 3.DOMAIN.edu.ar pointing to the same internal IP. But any domain I enter in the browser the redirection is made to 1.DOMAIN.edu.ar.

Also set a 4th as default_server, but behaviuor still remains.

This is the vhost configuration
---
# cat /etc/nginx/sites-enabled/2.DOMAIN.edu.ar.conf
server {
    listen 80;
    server_name 2.DOMAIN.edu.ar;
    server_tokens off;
    # Don't show the nginx version number

    include /etc/nginx/snippets/location-letsencrypt.conf;

#    return 301 https://2.DOMAIN.edu.ar$request_uri;
    rewrite ^ https://2.DOMAIN.edu.ar$request_uri? permanent;
}

server {
    listen 443 ssl http2;

    server_name 2.DOMAIN.edu.ar;
    server_tokens off;
    # Don't show the nginx version number

    include /etc/nginx/snippets/location-letsencrypt.conf;

    ssl_certificate /etc/letsencrypt/live/2.DOMAIN.edu.ar/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/2.DOMAIN.edu.ar/privkey.pem;

    ssl_session_cache builtin:1000 shared:SSL:10m;
    # Defining option to share SSL Connection with Passed Proxy

    ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
    # Defining used protocol versions.

ssl_ciphers HIGH:!aNULL:!eNULL:!EXPORT:!CAMELLIA:!DES:!MD5:!PSK:!RC4;
    # Defining ciphers to use.

    ssl_prefer_server_ciphers on;
    # Enabling ciphers

    location / {
       proxy_http_version  1.1;
       #For Websockets and keepalive connections
       proxy_set_header Upgrade           $http_upgrade;
       proxy_set_header Connection        "upgrade";
       #required when using Websockets
       proxy_set_header Host              $host;
       #Contains:
       #   hostname from the request line,
       #   or hostname from the Host request header field,
       #   or the server name matching a request.
       proxy_set_header X-Real-IP         $remote_addr;
       #Forwards the real visitor remote IP address
       proxy_set_header X-Forwarded-For   $proxy_add_x_forwarded_for;
#List containing the IP addresses of every server the client has been proxied through.
       proxy_set_header X-Forwarded-Proto $scheme;
       #When used inside an HTTPS server block,
       #each HTTP response from the proxied server is rewritten to HTTPS
       proxy_set_header X-Forwarded-Host  $host;
       #Original host requested by the client
       proxy_set_header X-Forwarded-Port  $server_port;
       #Original port requested by the client
       proxy_pass http://INTERNAL-IP/;
    }

    access_log /var/log/nginx/2.DOMAIN.edu.ar/access.log;
    error_log /var/log/nginx/2.DOMAIN.edu.ar/error.log;

}
---

Any hint will be much appreciated.


Thanks in advance.-
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