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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