Below is the output:
root@pi:/home/ape# curl -Iv http://localhost/admin/
* Expire in 0 ms for 6 (transfer 0x111ee40)
* Expire in 1 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 1 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 1 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 1 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 1 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 1 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 1 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 1 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 1 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 1 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 1 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 1 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 1 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 1 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 2 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 2 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 2 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 2 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 2 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 2 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 2 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 2 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 2 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 2 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 2 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 2 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 2 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 2 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 2 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 2 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 2 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 2 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 2 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 2 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 2 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 2 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 2 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 2 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 2 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 2 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 2 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 2 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 2 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 0 ms for 1 (transfer 0x111ee40)
* Expire in 2 ms for 1 (transfer 0x111ee40)
* Expire in 1 ms for 1 (transfer 0x111ee40)
* Expire in 1 ms for 1 (transfer 0x111ee40)
* Expire in 1 ms for 1 (transfer 0x111ee40)
* Trying ::1...
* TCP_NODELAY set
* Expire in 149998 ms for 3 (transfer 0x111ee40)
* Expire in 200 ms for 4 (transfer 0x111ee40)
* Connected to localhost (::1) port 80 (#0)
> HEAD /admin/ HTTP/1.1
> Host: localhost
> User-Agent: curl/7.64.0
> Accept: */*
>
< HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
< Content-Type: text/html
Content-Type: text/html
< X-Pi-hole: The Pi-hole Web interface is working!
X-Pi-hole: The Pi-hole Web interface is working!
< X-Frame-Options: DENY
X-Frame-Options: DENY
< Content-Length: 341
Content-Length: 341
< Date: Wed, 13 May 2020 17:25:03 GMT
Date: Wed, 13 May 2020 17:25:03 GMT
< Server: lighttpd/1.4.53
Server: lighttpd/1.4.53
<
* Connection #0 to host localhost left intact
root@pi:/home/ape#