Limit to access my Pi-hole

I setup my Pi-hole on a VPS which having a public IP and the system is working well. However, my Pi-hole IP shared to many and many people and I want to grant permissions to a list of user only. I've tried to look for a solution but not luck. Could you please review and give me your advices?

Thanks,
Phuong

You will need to use a firewall to grant only the allowed users access and block all other access. You can also use a VPN to give access only to the chosen few. Please be extra careful to lock it all down and not to expose your Pi-hole to the open internet, or it will be discovered very quickly and abused in denial of service attacks against others.

Thanks for quickly response. Could you please share somethings about setting up firewall as I'm a newbie on this field?

Usage of a VPN server would be the preferred approach of hosting a cloud-based Pi-hole.

You'd then share individual access credentials for your chosen VPN solution with the people that you want to have access.

For further details, you could take a look at our suggestions for setting up a VPN server in conjunction with Pi-hole available from Pi-hole's documentation under Guides | VPN.

Thank you for your information as well as documentation. I'm doing with setting up a Open VPN.

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