DNS-over-HTTPS in Mozilla Firefox
Use one of the following methods to configure for a secure browsing experience.
Last updated
Use one of the following methods to configure for a secure browsing experience.
Last updated
Open Mozilla Firefox.
In the menu, navigate to Tools > Preferences > General > Settings > Network Settings.
Select Enable DNS over HTTPS.
To set DNS resolver, choose one of the following options:
(Default) Set Cloudfare.
Set a custom DNS resolver.
Open Mozilla Firefox.
Type about:config in the URL bar.
Search for network.ttr.mode and set one 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.
To set the domain name of the DNS resolver, search for network.ttr.uri and enter the following Cloudflare URI:
(Optional). Search for network.ttr.bootstrapAddress and set up one of the IP addresses.
Cloudfare: 1.1.1.1
Google: 8.8.8.8