How to whitelist devices properply?

[ias]

Hey, I'm quite new to the Pi-Hole cosmos. I'm still experimenting with some things and/or don't know some stuff. So please don't roast me lol

TL;DR

How can I whitelist the Company laptop (CL) so it isn't affected by the pi-hole anymore?

Expected Behaviour:

The CL can connect to the 'nexus' of the company without any problem. Just like it did before I installed Pi-Hole into my network.

Actual Behaviour:

The CL works fine except the fact that it can't connect to the nexus of the company. So I think it isn't whitelisted so far...

What I tried:

I created a new group called "Whitelisted" inside the Pi-Hole webinterface. I added the device of my company into it and set it only assigned to this group.

As you can see in the picture, all lists are assigned to the "default" group. Yet it's still not working.

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Did I make anything wrong?

[rdwebdesign]

Please upload a debug log and post just the token URL that is generated after the log is uploaded by running the following command from the Pi-hole host terminal:

pihole -d

or if you run your Pi-hole as a Docker container:

docker exec -it <pihole-container-name-or-id> pihole -d

where you substitute <pihole-container-name-or-id> as required.

[ias]

Thank you for the hint. You token-URL here

[rdwebdesign]

Your debug log shows you correctly created the group "Whitelisted" and added 2 clients to this group. It also shows there are no lists assigned to this group, which will allow all queries from these devices.

This is the correct way to whitelist devices.

Are you sure Pi-hole is blocking something? Do you see any blocked queries related to your laptop in the Query Log page?

[Bucking_Horn]

Your debug log shows quite a few of these:
2025-07-23 00:01:01.897 CEST [17568/T17641] INFO: Still rate-limiting 192.168.178.155 as it made additional 10279 queries

That 192.168.178.155 wouldn't be your laptop?