{"id":415,"date":"2019-11-08T04:38:38","date_gmt":"2019-11-08T04:38:38","guid":{"rendered":"https:\/\/blog.mozilla.org\/webrtc\/?p=415"},"modified":"2019-11-08T04:38:38","modified_gmt":"2019-11-08T04:38:38","slug":"removing-old-versions-of-dtls","status":"publish","type":"post","link":"https:\/\/blog.mozilla.org\/webrtc\/removing-old-versions-of-dtls\/","title":{"rendered":"Removing Old Versions of DTLS"},"content":{"rendered":"<p>As you probably have read already <a href=\"https:\/\/blog.mozilla.org\/security\/2018\/10\/15\/removing-old-versions-of-tls\/\">old versions of TLS are going to be removed in March 2020<\/a>. Obviously we don&#8217;t want to leave Firefox WebRTC users behind and vulnerable. Thus we are planing on disabling support for DTLS 1.0 also in March 2020.<\/p>\n<p>According to our measurements the <a href=\"https:\/\/telemetry.mozilla.org\/new-pipeline\/dist.html#!cumulative=0&amp;end_date=2019-06-19&amp;include_spill=0&amp;keys=__none__!__none__!__none__&amp;max_channel_version=beta%252F67&amp;measure=WEBRTC_DTLS_PROTOCOL_VERSION&amp;min_channel_version=null&amp;processType=*&amp;product=Firefox&amp;sanitize=0&amp;sort_by_value=0&amp;sort_keys=submissions&amp;start_date=2019-03-11&amp;table=0&amp;trim=0&amp;use_submission_date=0\">absolute majority (98.12%) of WebRTC services use DTLS 1.2 already today<\/a>.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" width=\"700\" height=\"558\" class=\"alignnone size-large wp-image-417\" src=\"http:\/\/blog.mozilla.org\/webrtc\/files\/2019\/11\/Screen-Shot-2019-11-07-at-20.29.22-700x558.png\" alt=\"WebRTC DTLS usage numbers\" srcset=\"https:\/\/blog.mozilla.org\/webrtc\/files\/2019\/11\/Screen-Shot-2019-11-07-at-20.29.22-700x558.png 700w, https:\/\/blog.mozilla.org\/webrtc\/files\/2019\/11\/Screen-Shot-2019-11-07-at-20.29.22-250x199.png 250w, https:\/\/blog.mozilla.org\/webrtc\/files\/2019\/11\/Screen-Shot-2019-11-07-at-20.29.22-768x612.png 768w, https:\/\/blog.mozilla.org\/webrtc\/files\/2019\/11\/Screen-Shot-2019-11-07-at-20.29.22-120x96.png 120w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/p>\n<p>The remaining 1.88% need to start upgrading to DTLS 1.2 today.<\/p>\n<p>To help with the transition and testing we added new user preferences to Firefox 71 (currently available as Firefox Beta):<\/p>\n<ul>\n<li>media.<wbr \/>peerconnection.<wbr \/>dtls.<wbr \/>version.<wbr \/>min = 770<\/li>\n<li>media.<wbr \/>peerconnection.<wbr \/>dtls.<wbr \/>version.<wbr \/>max = 771<\/li>\n<\/ul>\n<p>To test with DTLS 1.2 only simply open <a href=\"about:config\">about:config<\/a> and set media.<wbr \/>peerconnection.<wbr \/>dtls.<wbr \/>version.<wbr \/>min to 771. From now on your Firefox will no longer offer DTLS 1.0, as if it would be a release from March 2020.<\/p>\n","protected":false},"excerpt":{"rendered":"As you probably have read already old versions of TLS are going to be removed in March 2020. Obviously we don&#8217;t want to leave Firefox WebRTC users behind and vulnerable. Thus we are planing on disabling support for DTLS 1.0 also in March 2020. According to our measurements the absolute majority (98.12%) of WebRTC services [&hellip;]","protected":false},"author":1151,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"coauthors":[264764],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Removing Old Versions of DTLS - Advancing WebRTC<\/title>\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\/webrtc\/removing-old-versions-of-dtls\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Removing Old Versions of DTLS - Advancing WebRTC\" \/>\n<meta property=\"og:description\" content=\"As you probably have read already old versions of TLS are going to be removed in March 2020. 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