Firefox with DNS-over-HTTPS: In June, the Mozilla Foundation announced that it is investigating the addition of DNS-over-HTTPS (or DoH) functionality to Firefox at a limited level (for Nightly users).
Η λειτουργία αυτή χρησιμοποιεί την service DNS της Cloudflare για την κρυπτογράφηση τόσο των αιτημάτων όσο και των απαντήσεων σε οποιαδήποτε ερωτήματα DNS, για να αυξήσει την better safety to the privacy of the users of the application.
The Mozilla Foundation has so far been very happy with DoH's performance and said that even the slowest links have made tremendous performance improvements. So Mozilla extends the mood to allow more users to test the DNS-over-HTTPS feature.
“Οι αρχικές μας δοκιμές για το DoH studyσαν το χρόνο που χρειάζεται να λάβουμε μια απάντηση από το DoH resolve του Cloudflare”, αναφέρει η Mozilla.
“The results have been very positive, with even the slowest users showing a huge improvement in performance. A recent one essay in the Beta channel confirmed to us that DoH is fast and not causing any problems for our users.”
So if you want to try the new feature, we'll see below how to enable it in your Firefox.
How to enable DNS-over-HTTPS (DoH) in Firefox
DoH is currently being tested, but if you want to use it right away, you can do it by setting it to about: config.
To enable DoH, follow these steps:
Type about:config in the Firefox address bar and press enter. Click on button indicating that you accept the risks.
In the box search type network.trr to display all settings for Firefox's Trusted Recursive Resolver.
Double-click network.trr.mode, and type 2 in the box. Press OK as shown below. This will trigger DoH in Firefox.
Then you need to make sure that network.trr.uri is set to https://mozilla.cloudflare-dns.com/dns-query as it is the Cloudflare DoH DNS resolver used by Firefox for testing. If this URL is not set, double-click the setting and enter the URL.
Now you can close the page about: config.
To check if you are using DoH for DNS queries, visit the page Cloudflare Browsing Security Control and click the "Check my browser" button.
The site will perform various tests to determine if you are using Secure DNS, DNSSEC, TLS 1.3, or encrypted SNI.
If the DoH is properly enabled, it should indicate that Secure DNS and TLS 1.3 are enabled as shown below.
So your Firefox will use DoH to resolve its DNS queries browser.
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Thanks for the information, and congratulations
but..
That way you don't even put one on watch and record you, and sell you?
whether it is cloudflare or google or a more "private" dns provider.
Anyway your ISP will download that page you requested eg. so ..
can still monitor and record ..
and any third party
..I had received an answer then (probably from George) that ..I forget the encryption – but here:
https://blog.cloudflare.com/oblivious-dns/ and the naming vendors themselves are now saying we're going to ODNS-ObliviousDNS because ISPs can time-correlate the DNS request with the page you just downloaded..
Of course - even if the dns query is "encrypted" via https.
I put the encryption in quotes because it is both standardized and not configurable at will.
Besides, you have also written about the problems with https.
Taking care of the guys,
Doh = Firefox Bypasses Hosts file
Good evening my friends.
First congratulations on both the topics and its presentation.
On the occasion of this article, I would like your "lights". After following the steps of the map you give, in the check I did in the link that leads us to Cloudflare it shows me that my browser does not use the TLS 1.3 protocol or Encrypted SNI encryption
The Firefox I have is version 63.0.3 (64bit) The windows of my computer are the "7 PRO" 64 bit. with all the latest updates… and the Cloudflare DNS network settings.
What mistake or omission can I make?
at about: config search for tls.version.max and change the value from 3 to 4, do
restart in Firefox.
For encrypted sni read:
https://blog.cloudflare.com/encrypt-that-sni-firefox-edition/
Thanks for the prompt response.
In the specific setting you suggest the price was already 4. I changed it to 3 and then again to 4, but in my control it gives the same results again.
The whole computer may need to be restarted…
Anyway thank you for the response.