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DNS-over-HTTPS in Mozilla Firefox
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DNS-over-HTTPS in Mozilla Firefox
Configure for secure browsing experience.

Preferences Menu

  1. 1.
    In menu, navigate to Tools > Preferences > General > Settings > Network Settings.
  2. 2.
    Select Enable DNS over HTTPS.
  3. 3.
    Choose any of the following to set DNS resolver:
    (Default) Set Cloudfare.
    Set a custom DNS resolver.
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Configuration Panel

  1. 1.
    Type about:config in the URL bar.
  2. 2.
    In the search area, type network.ttr.mode and set any of the following values:
    2:Turns on DoH and keeps the regular DNS only as a backup.
    3: Turns on DoH with no regular DNS support.
  3. 3.
    In the search area, type network.ttr.uri to set the domain name of the DNS resolver.
  4. 4.
    (Optional). In the search area, type network.ttr.bootstrapAddress to set up IP address.
    Cloudfare: 1.1.1.1
    Google: 8.8.8.8

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Preferences Menu
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