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  • Pi-hole 6, DoH, and Docker in 2026

    calendar April 9, 2026 nav_categories Tech nav_categories Software nav_tags docker nav_tags pi-hole nav_tags pi-hole6 nav_tags pihole nav_tags pihole6 nav_tags doh nav_tags cloudflare nav_tags dns over https nav_tags cloudflared nav_tags dns nav_tags dnscrypt-proxy nav_tags http/3

    I upgraded my Pihole running in Docker last year, adding additional security of DNS over HTTP (DoH):

    https://www.nodinrogers.com/post/2025-09-15-pihole6-doh-docker/

    However, a short 2 months later, Cloudflare announced the cloudflared proxy-dns command, which allowed DoH to work, would be removed from all new …

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  • Pihole and DoH using DNScrypt-proxy on a UDM Pro

    calendar April 9, 2026 nav_categories Tech nav_categories Networking nav_tags dns nav_tags unifi nav_tags ubiquiti nav_tags udm nav_tags udm pro nav_tags dnscrypt-proxy nav_tags cloudflared nav_tags doh nav_tags dns over https nav_tags cloudflare nav_tags dns nav_tags dnscrypt-proxy

    I installed Pihole in UnifiOS running on my UDM Pro last year, adding additional security of DNS over HTTP (DoH).

    However, a short 2 months later, Cloudflare announced the cloudflared proxy-dns command, which allowed DoH to work, would be removed from all new cloudflared releases, starting on February 2, 2026.

    This …

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  • Running Pi-hole on the UDM in Unifi 3.0+

    calendar July 20, 2025 nav_categories Tech nav_categories Networking nav_tags dns nav_tags unifi nav_tags ubiquiti nav_tags udm nav_tags udm pro

    Since firmware version 3.0 on the Unifi UDM/UDM Pro, podman is no longer available, so we had to use another method to create a container.

    We now use systemd-nspawn to create a container.

    There are 3 steps:

    1. Create the container.
    2. Configure the container.
    3. Install Pi-hole in the container.

    Create the container

    All …

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  • Using Cloudflare as a DDNS with UniFi (2025 update)

    calendar July 3, 2025 nav_categories Tech nav_categories Networking nav_tags cloudflare nav_tags dns nav_tags ddns nav_tags unifi nav_tags ubiquiti nav_tags udm nav_tags udm pro

    Configuring a Dynamic Domain Name Service (DDNS) on Ubiquiti's UniFi network manager is easy, if you use on of the configured providers that show up in the drop-down service.

    I had recently upgraded to UnifiOS version 4.3.6, and finally Cloudflare exists as a selectable entry.

    If you are running UDM version under …

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  • Capturing DNS rcodes using tcpdump

    calendar August 8, 2022 nav_categories Tech nav_categories Networking nav_tags tcpdump nav_tags packet capture nav_tags dns nav_tags rcode nav_tags dns rcode

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  • Running Pi-hole on a UDM Pro

    calendar March 31, 2022 nav_categories Tech nav_categories Software nav_tags container nav_tags podman nav_tags pihole nav_tags dns nav_tags networking nav_tags udm nav_tags udm pro

    I have a Pi-hole Docker container running on my NAS, but DNS functionality is too important to have a single point of failure.

    If something were to happen to my NAS, my home network would have no DNS resolution, which brings the network to it's knees.

    I had been using a Raspberry Pi as my second DNS server, running …

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