Admin interface not reachable

Hi

1.1 is my router yes.
I'm running on a raspberry, clean install only pi-hole on it. Means nothing else tries to block port 80.

Yes I', able to connect with ssh.
pi@raspberrypi:~ $ pihole -v
::: Pi-hole version is v2.11.2 (Latest version is v2.11.2)
::: Web-Admin version is v2.3.1 (Latest version is v2.3.1)

pi@raspberrypi:~ $ pihole status
::: DNS service is running
::: Pi-hole blocking is Enabled