Nginx - IP
sometimes, you wanna restrict access to a webserver based on ip addresses. here a little howto.
Update nginx Config for your vhost
and forward temporary/permanent to a sorry host.
--->8- snip -8<---
    location / {
      allow 192.0.2.0/24;
      allow 2001:db8::/32;
      deny all;
      error_page 403 =301 https://sorry.your.domain;
    }
or move the ip’s to a dedicated file and include it here …
--->8- snip -8<---
    location / {
      include incl/admin_ip.txt;
      deny all;
      error_page 403 =301 https://sorry.your.domain;
    }
Admin IP’s
cat ../incl/admin_ip.txt