<port>.example.com -> proxy_pass 192.168.0.10:<port> - E.g.: 8443.example.com -> proxy_pass 192.168.0.10:8443
server {
#listen 443 ssl;
listen 80;
server_name "~^(?<sub>.+)\.domain\.tld$";
location ^~ /subdir {
alias /do/not/proxy/subdir;
}
if ($sub ~ ^\d+$) {
set $isnum 1;
set $passon "https://0.0.0.0:${sub}";
}
if ($isnum != 1) {
return 404;
}
location / {
proxy_pass $passon;
proxy_buffering off;
proxy_set_header Range $http_range;
proxy_set_header If-Range $http_if_range;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header Host $host;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "upgrade";
}
}