Please follow the below template, it will help us to help you!
Expected Behaviour:
http://192.168.0.99/admin/ gives 403 - Forbidden
root@pihole:/var/www/html# curl -I http://localhost/admin
HTTP/1.1 301 Moved Permanently
Location: http://localhost/admin/
Date: Tue, 02 Jul 2019 23:23:20 GMT
Server: lighttpd/1.4.45
root@pihole:/var/www/html#
Debug Token:
6yvqxqkqnz