{"id":2546,"date":"2018-09-13T03:51:59","date_gmt":"2018-09-13T03:51:59","guid":{"rendered":"https:\/\/blog.mozilla.org\/futurereleases\/?p=2546"},"modified":"2018-09-13T13:02:04","modified_gmt":"2018-09-13T13:02:04","slug":"dns-over-https-doh-testing-on-beta","status":"publish","type":"post","link":"https:\/\/blog.mozilla.org\/futurereleases\/2018\/09\/13\/dns-over-https-doh-testing-on-beta\/","title":{"rendered":"DNS over HTTPS (DoH) \u2013 Testing on Beta"},"content":{"rendered":"<p>DNS is a critical part of the Internet, but unfortunately has bad security and privacy properties, as described in this excellent <a href=\"https:\/\/hacks.mozilla.org\/2018\/05\/a-cartoon-intro-to-dns-over-https\/\">explainer<\/a> by Lin Clark. In June, Mozilla started experimenting with DNS over HTTPS, a new protocol which uses encryption to protect DNS requests and responses. As we <a href=\"https:\/\/blog.nightly.mozilla.org\/2018\/08\/28\/firefox-nightly-secure-dns-experimental-results\/\">reported<\/a> at the end of August, our experiments in the Nightly channel look very good: the slowest users show a huge <i>improvement, <\/i>anywhere up to hundreds of milliseconds, and most users see only a small performance slowdown of around 6 milliseconds, which is acceptable given the improved security.<\/p>\n<p>This is a very promising result and the next step is to validate the technique over a broader set of users on our Beta channel. We will once again work with users who are already participating in Firefox experiments, and continue to provide in-browser notifications about the experiment and details about the DoH service provider so that everyone is fully informed and has a chance to decline participation in this particular experiment. A soft rollout to selected Beta users in the United States will begin the week of September 10th.<\/p>\n<p>As before, this experiment will use Cloudflare\u2019s DNS over HTTPS service. Cloudflare has been a great partner in developing this feature and has committed to very strong privacy <a href=\"https:\/\/developers.cloudflare.com\/1.1.1.1\/commitment-to-privacy\/privacy-policy\/firefox\/\">guarantees<\/a> for our users. Moving forward, we are working to build a larger ecosystem of trusted DoH providers that live up to this high standard of data handling, and we hope to be able to experiment with other providers soon.<\/p>\n<h3>References to DoH<\/h3>\n<ul>\n<li><a href=\"https:\/\/hacks.mozilla.org\/2018\/05\/a-cartoon-intro-to-dns-over-https\/\">A cartoon intro to DNS over HTTPS<\/a> by Lin Clark, Mozilla, May 31, 2018<\/li>\n<li><a href=\"https:\/\/blog.nightly.mozilla.org\/2018\/06\/01\/improving-dns-privacy-in-firefox\/\">Improving DNS Privacy in Firefox<\/a> by Patrick McManus, Mozilla, June 1, 2018<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>DNS is a critical part of the Internet, but unfortunately has bad security and privacy properties, as described in this excellent explainer by Lin Clark. In June, Mozilla started experimenting &hellip; <a class=\"go\" href=\"https:\/\/blog.mozilla.org\/futurereleases\/2018\/09\/13\/dns-over-https-doh-testing-on-beta\/\">Read more<\/a><\/p>\n","protected":false},"author":653,"featured_media":2537,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"coauthors":[310623],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>DNS over HTTPS (DoH) \u2013 Testing on Beta - Future Releases<\/title>\n<meta name=\"description\" content=\"We will once again work with users who are already participating in Firefox experiments, and continue to provide in-browser notifications about the experiment and details about the DoH service provider so that everyone is fully informed and has a chance to decline participation in this particular experiment. A soft rollout to selected Beta users in the United States will begin the week of September 10th.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.mozilla.org\/futurereleases\/2018\/09\/13\/dns-over-https-doh-testing-on-beta\/\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Selena Deckelmann\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/blog.mozilla.org\/futurereleases\/2018\/09\/13\/dns-over-https-doh-testing-on-beta\/\",\"url\":\"https:\/\/blog.mozilla.org\/futurereleases\/2018\/09\/13\/dns-over-https-doh-testing-on-beta\/\",\"name\":\"DNS over HTTPS (DoH) \u2013 Testing on Beta - Future Releases\",\"isPartOf\":{\"@id\":\"https:\/\/blog.mozilla.org\/futurereleases\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/blog.mozilla.org\/futurereleases\/2018\/09\/13\/dns-over-https-doh-testing-on-beta\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/blog.mozilla.org\/futurereleases\/2018\/09\/13\/dns-over-https-doh-testing-on-beta\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/blog.mozilla.org\/futurereleases\/files\/2018\/06\/Logo.png\",\"datePublished\":\"2018-09-13T03:51:59+00:00\",\"dateModified\":\"2018-09-13T13:02:04+00:00\",\"author\":{\"@id\":\"https:\/\/blog.mozilla.org\/futurereleases\/#\/schema\/person\/a46713c9dcb379a33794c1d3cef4a3c4\"},\"description\":\"We will once again work with users who are already participating in Firefox experiments, and continue to provide in-browser notifications about the experiment and details about the DoH service provider so that everyone is fully informed and has a chance to decline participation in this particular experiment. 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