{"id":3024,"date":"2019-10-18T10:52:12","date_gmt":"2019-10-18T03:52:12","guid":{"rendered":"https:\/\/pronetsolutionsvn.com\/?p=3024"},"modified":"2022-12-22T14:58:31","modified_gmt":"2022-12-22T07:58:31","slug":"google-dns-ho-tro-bao-mat-dns-over-tls","status":"publish","type":"post","link":"https:\/\/pronetsolutionsvn.com\/?p=3024","title":{"rendered":"Google DNS h\u1ed7 tr\u1ee3 b\u1ea3o m\u1eadt DNS-over-TLS"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Google \u0111\u00e3 h\u1ed7 tr\u1ee3 giao th\u1ee9c b\u1ea3o m\u1eadt DNS-over-TLS, c\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 s\u1ebd kh\u00f4ng th\u1ec3 gi\u00e1m s\u00e1t website b\u1ea1n truy c\u1eadp.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/nukeviet.vn\/uploads\/news\/2019_09\/dns-cua-google-ho-tro-giao-thuc-bao-mat-dns-over-tls-e1547178964248.png\" alt=\"DNS c\u00f4ng c\u1ed9ng c\u1ee7a Google v\u1edbi \u0111\u1ecba ch\u1ec9 8.8.8.8 v\u00e0 8.8.4.4 l\u00e0 c\u00e1ch gi\u1ea3i quy\u1ebft d\u1ecbch v\u1ee5 t\u00ean mi\u1ec1n ki\u1ec3u \u0111\u1ec7 quy \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi \u01b0a chu\u1ed9ng\" \/>\r\n<figcaption><br \/>DNS c\u00f4ng c\u1ed9ng c\u1ee7a Google v\u1edbi \u0111\u1ecba ch\u1ec9 8.8.8.8 v\u00e0 8.8.4.4 l\u00e0 c\u00e1ch gi\u1ea3i quy\u1ebft d\u1ecbch v\u1ee5 t\u00ean mi\u1ec1n ki\u1ec3u \u0111\u1ec7 quy \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi \u01b0a chu\u1ed9ng<\/figcaption>\r\n<\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>M\u1ecdi ho\u1ea1t \u0111\u1ed9ng tr\u00ean internet \u0111\u1ec1u b\u1eaft \u0111\u1ea7u v\u1edbi c\u00e1c truy v\u1ea5n DNS, \u0111\u00e2y l\u00e0 m\u1ed9t h\u00e0m m\u00e3 h\u00f3a c\u1ee7a internet, ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t \u0111\u01b0\u1eddng d\u1eabn, thi\u1ebft b\u1ecb s\u1ebd t\u00ecm ki\u1ebfm \u0111\u1ecba ch\u1ec9 IP m\u00e1y ch\u1ee7 sau khi b\u1ea1n nh\u1eadp t\u00ean mi\u1ec1n m\u00e0 con ng\u01b0\u1eddi d\u1ec5 \u0111\u1ecdc \u0111\u01b0\u1ee3c (VD nh\u01b0 techsignin.com)<\/li>\n\n\n\n<li>V\u00ec c\u00e1c l\u01b0\u1ee3t truy v\u1ea5n DNS \u0111\u01b0\u1ee3c g\u1eedi \u1edf d\u1ea1ng v\u0103n b\u1ea3n qua giao th\u1ee9c UDP v\u00e0 TCP kh\u00f4ng m\u00e3 h\u00f3a, th\u00f4ng tin website ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp s\u1ebd b\u1ecb ti\u1ebft l\u1ed9 v\u00e0 h\u1ecd d\u1ec5 tr\u1edf th\u00e0nh m\u1ee5c ti\u00eau b\u1ecb t\u1ea5n c\u00f4ng gi\u1ea3 m\u1ea1o.<\/li>\n\n\n\n<li>\u0110\u1ec3 kh\u1eafc ph\u1ee5c v\u1ea5n \u0111\u1ec1, Google \u0111\u00e3 th\u00f4ng b\u00e1o d\u1ecbch v\u1ee5 DNS c\u1ee7a h\u1ecd \u0111\u00e3 h\u1ed7 tr\u1ee3 giao th\u1ee9c b\u1ea3o m\u1eadt DNS-over-TLS, c\u00e1c truy v\u1ea5n DNS v\u00e0 ph\u1ea3n h\u1ed3i s\u1ebd \u0111i qua k\u1ebft n\u1ed1i TCP \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a TLS.<\/li>\n\n\n\n<li>DNS-over-TLS \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ng\u0103n k\u1ebb t\u1ea5n c\u00f4ng chi\u1ebfm quy\u1ec1n truy v\u1ea5n DNS ho\u1eb7c \u0111\u1ecdc tr\u1ed9m k\u1ebft n\u1ed1i Internet c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/li>\n\n\n\n<li>DNS c\u00f4ng c\u1ed9ng c\u1ee7a Google v\u1edbi \u0111\u1ecba ch\u1ec9 8.8.8.8 v\u00e0 8.8.4.4 l\u00e0 c\u00e1ch gi\u1ea3i quy\u1ebft d\u1ecbch v\u1ee5 t\u00ean mi\u1ec1n ki\u1ec3u \u0111\u1ec7 quy \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi \u01b0a chu\u1ed9ng, thay v\u00ec d\u00f9ng DNS m\u1eb7c \u0111\u1ecbnh c\u1ee7a c\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 internet.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Google&nbsp;c\u0169ng tri\u1ec3n khai DNS-over-TLS v\u1edbi RFC 7766 \u0111\u1ec3 gi\u1ea3m thi\u1ec3u chi ph\u00ed s\u1eed d\u1ee5ng TLS, h\u1ed7 tr\u1ee3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>TLS 1.3 \u0111\u1ec3 k\u1ebft n\u1ed1i nhanh h\u01a1n v\u00e0 b\u1ea3o m\u1eadt \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n<\/li>\n\n\n\n<li>TCP m\u1edf nhanh h\u01a1n<\/li>\n\n\n\n<li>T\u1ea1o lu\u1ed3ng cho nhi\u1ec1u truy v\u1ea5n<\/li>\n\n\n\n<li>Ph\u1ea3n h\u1ed3i kh\u00f4ng theo th\u1ee9 t\u1ef1 qua m\u1ed9t k\u1ebft n\u1ed1i \u0111\u1ebfn m\u00e1y ch\u1ee7 DNS c\u1ee7a Google<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n c\u00f3 th\u1ec3 d\u00f9ng DNS-over-TLS theo ch\u1ebf \u0111\u1ed9 ri\u00eang t\u01b0 nghi\u00eam ng\u1eb7t ho\u1eb7c ri\u00eang t\u01b0 c\u01a1 h\u1ed9i.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u1ede ch\u1ebf \u0111\u1ed9 ri\u00eang t\u01b0 nghi\u00eam ng\u1eb7t, thi\u1ebft b\u1ecb ho\u1eb7c h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n s\u1ebd t\u1ea1o k\u1ebft n\u1ed1i TLS b\u1ea3o m\u1eadt tr\u00ean c\u1ed5ng 853 \u0111\u1ebfn m\u00e1y ch\u1ee7 DNS, n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c, m\u00e1y ch\u1ee7 s\u1ebd ph\u1ea3n h\u1ed3i l\u1ed7i.<\/li>\n\n\n\n<li>Tuy nhi\u00ean, \u1edf ch\u1ebf \u0111\u1ed9 ri\u00eang t\u01b0 c\u01a1 h\u1ed9i, n\u1ebfu kh\u00f4ng t\u1ea1o \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i tr\u00ean c\u1ed5ng 853, m\u00e1y kh\u00e1ch s\u1ebd tr\u1edf l\u1ea1i t\u01b0\u01a1ng t\u00e1c v\u1edbi m\u00e1y ch\u1ee7 \u1edf c\u1ed5ng 53 chu\u1ea9n DNS qua giao th\u1ee9c UDP ho\u1eb7c TCP kh\u00f4ng b\u1ea3o m\u1eadt.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Google \u0111\u00e3 cung c\u1ea5p DNS-over-TLS cho Android 9 Pie. \u0110\u1ec3 k\u00edch ho\u1ea1t, b\u1ea1n v\u00e0o ph\u1ea7n m\u1ea1ng trong tr\u00ecnh \u0111\u01a1n thi\u1ebft l\u1eadp tr\u00ean \u0111i\u1ec7n tho\u1ea1i Android, nh\u1eadp \u0111o\u1ea1n \u201cdns.google\u201d. Th\u00f4ng tin chi ti\u1ebft v\u1ec1 DNS-over-TLS s\u1ebd \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Google kh\u00f4ng ph\u1ea3i l\u00e0 nh\u00e0 cung c\u1ea5p DNS-over-TLS \u0111\u1ea7u ti\u00ean. V\u00e0o n\u0103m ngo\u00e1i, c\u00f4ng ty Internet v\u00e0 b\u1ea3o m\u1eadt l\u00e0 Cloudflare c\u0169ng \u0111\u00e3 \u0111\u01b0a ra t\u00ednh n\u0103ng b\u1ea3o m\u1eadt n\u00e0y \u1edf \u0111\u1ecba ch\u1ec9 IP 1.1.1.1. H\u00e3ng cho bi\u1ebft \u0111\u00e2y l\u00e0 d\u1ecbch v\u1ee5 DNS b\u1ea3o m\u1eadt v\u00e0 nhanh nh\u1ea5t v\u00e0 ch\u00fa tr\u1ecdng \u0111\u1ebfn b\u1ea3o m\u1eadt nh\u1ea5t th\u1ebf gi\u1edbi. D\u1ecbch v\u1ee5 n\u00e0y h\u1ed7 tr\u1ee3 c\u1ea3&nbsp;DNS-over-TLS v\u00e0 DNS-over-HTTPS \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o quy\u1ec1n ri\u00eang t\u01b0 \u1edf m\u1ee9c t\u1ed1i \u0111a.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Google \u0111\u00e3 h\u1ed7 tr\u1ee3 giao th\u1ee9c b\u1ea3o m\u1eadt DNS-over-TLS, c\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 s\u1ebd kh\u00f4ng th\u1ec3 gi\u00e1m s\u00e1t website b\u1ea1n [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":6169,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[57],"tags":[],"class_list":["post-3024","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ho-tro"],"_links":{"self":[{"href":"https:\/\/pronetsolutionsvn.com\/index.php?rest_route=\/wp\/v2\/posts\/3024","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pronetsolutionsvn.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pronetsolutionsvn.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pronetsolutionsvn.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pronetsolutionsvn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3024"}],"version-history":[{"count":0,"href":"https:\/\/pronetsolutionsvn.com\/index.php?rest_route=\/wp\/v2\/posts\/3024\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pronetsolutionsvn.com\/index.php?rest_route=\/wp\/v2\/media\/6169"}],"wp:attachment":[{"href":"https:\/\/pronetsolutionsvn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3024"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pronetsolutionsvn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3024"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pronetsolutionsvn.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3024"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}