If you want to play around with it: Chromium: Enable #encrypted-client-hello and #dns-https-svcb Firefox: Enable network.dns.echconfig.enabled What's strange

If you want to play around with it: Chromium: Enable #encrypted-client-hello and #dns-https-svcb Firefox: Enable network.dns.echconfig.enabled What's strange is that even with these enabled, Cloudflare's tester still reports ECH is not enabled [1] while Chromium's reports it is [1]. Maybe Cloudflare's tester is not using the latest spec? [0] https://www.cloudflare.com/ssl/encrypted-sni https://www.cloudflare.com/ssl/encrypted-sni [1] https://tls-ech.dev https://tls-ech.dev