I found the option to enable DNS over HTTPS for Firefox on the desktop but I can't find it on the Android version of the browser. Is it supported? How do I enable it?
I try to complete Dale answer
Open Firefox and type:
about:configfilter with:
network.trr.*and set the following values:network.trr.modevalue3network.trr.bootstrapAddressand set value as one ip from this page (mine value is currently104.16.249.249)now open a new tab to this page used to verify if everything is working. You should have all green except
sni. To make all green you shouldswitch tab and go back to config page
change filter with:
network.security.*and set:network.security.esni.enabledvaluetruego back to previous tab and refresh. You should have all green.
credits/references:
Dale answer
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I needed this because my mobile data DNS is failing for some addresses. After setting
network.trr.mode=3andnetwork.trr.bootstrapAddress=104.16.249.249it works! Thanks! – krubo Jan 9 '20 at 0:34 -
Although I have not been able to prove it's really changing the routing of DNS queries, I have changed the settings on Firefox for Android: network.trr.mode to 2 (fail-over enabled) or 3 (fail-over not enabled) and network.trr.uri to 1.1.1.1 (Cloudflare) or 8.8.8.8 (Google) or 9.9.9.9 (Quad9). This came from this Mozilla page (not specific to Android Firefox). So you type about:config in the address bar, then search for and change the network.trr* settings.
But as mentioned by Irfan, you can have all your DNS go to cloudflare by using their 1.1.1.1 app, or if you're on the Android Pie, you can go to Settings > Network & Internet > Private DNS and select Automatic (I'm sure that's GOT to be Google's 9.9.9.9) or Private DNS provider hostname with 1dot1dot1dot1.cloudflare-dns.com, for instance (credit to this page on TechRepublic).
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2You'd have to set the network.trr.mode to 3 to test if it's really working. Mode 2 uses regular DNS as a backup if DOH fails, so you won't really know if you're using DOH if you don't test it in mode 3 first. – John Aug 19 '19 at 16:53
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For some reason using
network.trr.modeto3fails to work when I'm on mobile data, but works fine when I'm on WiFi. – m-p-3 Oct 14 '19 at 1:21
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