• Ebby@lemmy.ssba.com
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    6 months ago

    At first, Pi-hole was enough, but some devices had a software update a year or two ago that used Google (if memory serves) DNS as a backup. It was sneaky, but adding a block rule closed that loophole.

    Not all devices had that change though. I’m hoping mine is old enough to be ignored for the new video ads.

        • SuperIce@lemmy.world
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          6 months ago

          DNS over TLS (aka DoT) uses port 853. DNS over HTTPS (aka DoH) uses port 443 so that it looks the same as any other web traffic for privacy reasons.