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browser-extensions: note ECS & /etc/hosts

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Resolves: #286
This commit is contained in:
Aminda Suomalainen 2022-08-10 14:30:29 +03:00
parent c4ad22e383
commit 139636c7bc
Signed by: Mikaela
SSH Key Fingerprint: SHA256:CXLULpqNBdUKB6E6fLA1b/4SzG0HvKD19PbIePU175Q
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pages/browser-extensions.markdown
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@ -200,8 +200,11 @@ Firefox seems to contain a lot of advertising or sponsoring nowadays, whether to
* `network.trr.early-AAAA` `true` to hopefully prefer IPv6
* `network.trr.uri` for the actual resolver address, e.g.
`https://doh.mullvad.net/dns-query`
* `network.trr.disable-ECS` to `false` if preferring speed over privacy or using NextDNS private ECS.
* [Wikipedia: EDNS Client Subnet](https://en.wikipedia.org/wiki/EDNS_Client_Subnet)
Some notes:
* There is also `network.trr.exclude-etc-hosts` for those using `/etc/hosts` for blocking.
* You can confirm TRR working by visiting `about:networking#dns` where
you should be seeing DNS cache of Firefox and a lot of `TRR: true`.
* [While investingating how Android 9 Private DNS works, I also wrote a DNS provider comparsion here on 2019-07-11]({% post_url blog/2019-07-11-android-private-dns-in-practice %})