Configure Ubuntu Pi-hole for Cloudflare DNS over HTTPS

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To configure Pi-hole on Ubuntu to use Cloudflare’s DNS over HTTPS (DoH) service, you’ll need to follow these steps:

  1. Install Pi-hole on your Ubuntu system following the official installation guide.
  2. Once Pi-hole is installed and running, log in to the web interface and navigate to the “Settings” page.
  3. Scroll down to the “DNS” section, and change the “Upstream DNS Servers” to 1.1.1.1 and 1.0.0.1 which are the IPs for Cloudflare’s DoH service.
  4. Under the DNS section, also select “Use custom DNS servers” and set DNS query forwarding to be “Encrypted (DoH)”
  5. Scroll down to the bottom of the page and click the “Save” button to apply the changes.
  6. Restart the Pi-hole service by running the command:
sudo service pihole-FTL restart
  1. Verify the configuration by visiting a site such as https://dnsleaktest.com and check that the DNS servers being used are Cloudflare’s DoH servers (1.1.1.1 and 1.0.0.1)
  2. You can also check the logs of Pi-hole to see if it is using DoH to communicate with the upstream DNS servers.

By configuring Pi-hole to use Cloudflare’s DoH service, all DNS queries from your network will be encrypted and protected from eavesdropping. It’s important to note that the above steps are just a general guide and you may need to adjust them to suit your specific requirements. (Zolpidem Tartrate)

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