{"id":479102,"date":"2023-08-09T10:01:33","date_gmt":"2023-08-09T10:01:33","guid":{"rendered":""},"modified":"2024-07-01T04:49:53","modified_gmt":"2024-07-01T04:49:53","slug":"split-dns","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/split-dns\/","title":{"rendered":"Chia DNS"},"content":{"rendered":"<p>Th\u00f4ng tin t\u00f3m t\u1eaft v\u1ec1 Split DNS<\/p>\n<p>Split Domain Name System (Split DNS) l\u00e0 ph\u01b0\u01a1ng ph\u00e1p qu\u1ea3n l\u00fd c\u00e1c y\u00eau c\u1ea7u DNS theo c\u00e1ch cho ph\u00e9p tr\u1ea3 v\u1ec1 c\u00e1c \u0111\u1ecba ch\u1ec9 IP kh\u00e1c nhau cho c\u00e1c truy v\u1ea5n n\u1ed9i b\u1ed9 v\u00e0 b\u00ean ngo\u00e0i cho c\u00f9ng m\u1ed9t t\u00ean mi\u1ec1n. N\u00f3 ph\u00e2n t\u00e1ch c\u00e1c m\u00e1y ch\u1ee7 DNS \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 truy c\u1eadp m\u1ea1ng c\u00f4ng c\u1ed9ng (b\u00ean ngo\u00e0i) v\u00e0 ri\u00eang t\u01b0 (n\u1ed9i b\u1ed9). B\u1eb1ng c\u00e1ch n\u00e0y, ng\u01b0\u1eddi d\u00f9ng n\u1ed9i b\u1ed9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chuy\u1ec3n h\u01b0\u1edbng \u0111\u1ebfn t\u00e0i nguy\u00ean n\u1ed9i b\u1ed9, trong khi ng\u01b0\u1eddi d\u00f9ng b\u00ean ngo\u00e0i \u0111\u01b0\u1ee3c chuy\u1ec3n h\u01b0\u1edbng \u0111\u1ebfn t\u00e0i nguy\u00ean c\u00f4ng c\u1ed9ng.<\/p>\n<h2>L\u1ecbch s\u1eed ngu\u1ed3n g\u1ed1c c\u1ee7a DNS ph\u00e2n chia v\u00e0 s\u1ef1 \u0111\u1ec1 c\u1eadp \u0111\u1ea7u ti\u00ean v\u1ec1 n\u00f3<\/h2>\n<p>Kh\u00e1i ni\u1ec7m Split DNS c\u00f3 th\u1ec3 b\u1eaft ngu\u1ed3n t\u1eeb cu\u1ed1i nh\u1eefng n\u0103m 1980 v\u00e0 \u0111\u1ea7u nh\u1eefng n\u0103m 1990, trong th\u1eddi k\u1ef3 ph\u00e1t tri\u1ec3n c\u1ee7a Internet. Khi c\u00e1c doanh nghi\u1ec7p b\u1eaft \u0111\u1ea7u l\u01b0u tr\u1eef d\u1ecbch v\u1ee5 c\u1ea3 b\u00ean trong l\u1eabn b\u00ean ngo\u00e0i, h\u1ecd ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi nh\u1eefng th\u00e1ch th\u1ee9c trong vi\u1ec7c \u0111i\u1ec1u h\u01b0\u1edbng l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. Split DNS n\u1ed5i l\u00ean nh\u01b0 m\u1ed9t gi\u1ea3i ph\u00e1p cho v\u1ea5n \u0111\u1ec1 n\u00e0y, cho ph\u00e9p qu\u1ea3n l\u00fd m\u1ea1ng n\u1ed9i b\u1ed9 li\u1ec1n m\u1ea1ch v\u00e0 kh\u1ea3 n\u0103ng truy c\u1eadp b\u00ean ngo\u00e0i.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 Split DNS: M\u1edf r\u1ed9ng ch\u1ee7 \u0111\u1ec1<\/h2>\n<p>Split DNS \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 cung c\u1ea5p m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 \u0111\u1ec3 qu\u1ea3n l\u00fd c\u00e1c truy v\u1ea5n b\u00ean trong v\u00e0 b\u00ean ngo\u00e0i cho c\u00f9ng m\u1ed9t t\u00ean mi\u1ec1n. N\u00f3 li\u00ean quan \u0111\u1ebfn hai ho\u1eb7c nhi\u1ec1u m\u00e1y ch\u1ee7 DNS:<\/p>\n<ol>\n<li><strong>M\u00e1y ch\u1ee7 DNS n\u1ed9i b\u1ed9:<\/strong> X\u1eed l\u00fd c\u00e1c truy v\u1ea5n t\u1eeb b\u00ean trong m\u1ea1ng c\u1ee7a t\u1ed5 ch\u1ee9c.<\/li>\n<li><strong>M\u00e1y ch\u1ee7 DNS b\u00ean ngo\u00e0i:<\/strong> X\u1eed l\u00fd c\u00e1c truy v\u1ea5n c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb b\u00ean ngo\u00e0i m\u1ea1ng c\u1ee7a t\u1ed5 ch\u1ee9c.<\/li>\n<\/ol>\n<p>S\u1ef1 t\u00e1ch bi\u1ec7t n\u00e0y cho ph\u00e9p c\u1ea3i thi\u1ec7n t\u00ednh b\u1ea3o m\u1eadt, hi\u1ec7u su\u1ea5t v\u00e0 d\u1ec5 qu\u1ea3n l\u00fd.<\/p>\n<h3>Nh\u1eefng l\u1ee3i \u00edch:<\/h3>\n<ul>\n<li>B\u1ea3o m\u1eadt n\u00e2ng cao<\/li>\n<li>Gi\u1ea3m t\u1ea3i<\/li>\n<li>Quy\u1ec1n truy c\u1eadp \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t<\/li>\n<li>C\u1ea5u h\u00ecnh \u0111\u01a1n gi\u1ea3n h\u00f3a<\/li>\n<\/ul>\n<h3>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/h3>\n<ul>\n<li>S\u1ef1 ph\u1ee9c t\u1ea1p trong thi\u1ebft l\u1eadp<\/li>\n<li>Nh\u1eefng th\u00e1ch th\u1ee9c b\u1ea3o tr\u00ec c\u00f3 th\u1ec3 x\u1ea3y ra<\/li>\n<\/ul>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a DNS ph\u00e2n t\u00e1ch: C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a DNS ph\u00e2n t\u00e1ch<\/h2>\n<p>Ho\u1ea1t \u0111\u1ed9ng c\u01a1 b\u1ea3n c\u1ee7a Split DNS li\u00ean quan \u0111\u1ebfn vi\u1ec7c c\u00f3 c\u00e1c m\u00e1y ch\u1ee7 DNS kh\u00e1c nhau (ho\u1eb7c ch\u1ebf \u0111\u1ed9 xem trong m\u1ed9t s\u1ed1 ph\u1ea7n m\u1ec1m m\u00e1y ch\u1ee7 DNS) ph\u1ea3n h\u1ed3i kh\u00e1c nhau cho c\u00f9ng m\u1ed9t truy v\u1ea5n, d\u1ef1a tr\u00ean ngu\u1ed3n c\u1ee7a truy v\u1ea5n.<\/p>\n<ol>\n<li><strong>Truy v\u1ea5n n\u1ed9i b\u1ed9:<\/strong> Khi ng\u01b0\u1eddi d\u00f9ng trong m\u1ea1ng c\u1ee7a t\u1ed5 ch\u1ee9c th\u1ef1c hi\u1ec7n truy v\u1ea5n, m\u00e1y ch\u1ee7 DNS n\u1ed9i b\u1ed9 s\u1ebd ph\u1ea3n h\u1ed3i b\u1eb1ng \u0111\u1ecba ch\u1ec9 IP n\u1ed9i b\u1ed9 c\u1ee7a t\u00e0i nguy\u00ean.<\/li>\n<li><strong>Truy v\u1ea5n b\u00ean ngo\u00e0i:<\/strong> Khi truy v\u1ea5n \u0111\u1ebfn t\u1eeb b\u00ean ngo\u00e0i m\u1ea1ng c\u1ee7a t\u1ed5 ch\u1ee9c, m\u00e1y ch\u1ee7 DNS b\u00ean ngo\u00e0i s\u1ebd ph\u1ea3n h\u1ed3i b\u1eb1ng \u0111\u1ecba ch\u1ec9 IP c\u00f4ng c\u1ed9ng c\u1ee7a t\u00e0i nguy\u00ean.<\/li>\n<\/ol>\n<h2>Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a DNS ph\u00e2n chia<\/h2>\n<ul>\n<li><strong>B\u1ea3o v\u1ec7:<\/strong> B\u1eb1ng c\u00e1ch t\u00e1ch bi\u1ec7t c\u00e1c truy v\u1ea5n n\u1ed9i b\u1ed9 v\u00e0 b\u00ean ngo\u00e0i, th\u00f4ng tin n\u1ed9i b\u1ed9 nh\u1ea1y c\u1ea3m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u1ea9n kh\u1ecfi ng\u01b0\u1eddi d\u00f9ng b\u00ean ngo\u00e0i.<\/li>\n<li><strong>Hi\u1ec7u su\u1ea5t:<\/strong> Ng\u01b0\u1eddi d\u00f9ng n\u1ed9i b\u1ed9 c\u00f3 th\u1ec3 truy c\u1eadp nhanh h\u01a1n v\u00e0o t\u00e0i nguy\u00ean n\u1ed9i b\u1ed9.<\/li>\n<li><strong>Uy\u1ec3n chuy\u1ec3n:<\/strong> C\u00e1c ch\u00ednh s\u00e1ch kh\u00e1c nhau c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho ng\u01b0\u1eddi d\u00f9ng n\u1ed9i b\u1ed9 v\u00e0 b\u00ean ngo\u00e0i.<\/li>\n<\/ul>\n<h2>C\u00e1c lo\u1ea1i DNS ph\u00e2n chia: T\u1ed5ng quan c\u00f3 c\u1ea5u tr\u00fac<\/h2>\n<table>\n<thead>\n<tr>\n<th>Ki\u1ec3u<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>DNS ph\u00e2n chia ngang<\/td>\n<td>S\u1eed d\u1ee5ng c\u00e1c m\u00e1y ch\u1ee7 ri\u00eang bi\u1ec7t cho c\u00e1c y\u00eau c\u1ea7u n\u1ed9i b\u1ed9 v\u00e0 b\u00ean ngo\u00e0i.<\/td>\n<\/tr>\n<tr>\n<td>DNS ph\u00e2n chia d\u1ecdc<\/td>\n<td>S\u1eed d\u1ee5ng c\u00f9ng m\u1ed9t m\u00e1y ch\u1ee7 nh\u01b0ng c\u00e1c ch\u1ebf \u0111\u1ed9 xem kh\u00e1c nhau cho c\u00e1c y\u00eau c\u1ea7u b\u00ean trong v\u00e0 b\u00ean ngo\u00e0i.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1c c\u00e1ch s\u1eed d\u1ee5ng DNS ph\u00e2n chia, c\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng<\/h2>\n<h3>C\u00e1ch s\u1eed d\u1ee5ng:<\/h3>\n<ul>\n<li>B\u1ea3o v\u1ec7 th\u00f4ng tin n\u1ed9i b\u1ed9<\/li>\n<li>C\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t m\u1ea1ng n\u1ed9i b\u1ed9<\/li>\n<li>\u0110\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c qu\u1ea3n l\u00fd m\u1ea1ng<\/li>\n<\/ul>\n<h3>V\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p:<\/h3>\n<ul>\n<li><strong>V\u1ea5n \u0111\u1ec1:<\/strong> Thi\u1ebft l\u1eadp ph\u1ee9c t\u1ea1p<br \/>\n<strong>Gi\u1ea3i ph\u00e1p:<\/strong> S\u1eed d\u1ee5ng c\u00e1c d\u1ecbch v\u1ee5 DNS \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd<\/li>\n<li><strong>V\u1ea5n \u0111\u1ec1:<\/strong> Chi ph\u00ed b\u1ea3o tr\u00ec<br \/>\n<strong>Gi\u1ea3i ph\u00e1p:<\/strong> Tri\u1ec3n khai gi\u00e1m s\u00e1t v\u00e0 c\u1eadp nh\u1eadt t\u1ef1 \u0111\u1ed9ng<\/li>\n<\/ul>\n<h2>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 nh\u1eefng so s\u00e1nh kh\u00e1c v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1<\/h2>\n<table>\n<thead>\n<tr>\n<th>T\u00ednh n\u0103ng<\/th>\n<th>Chia DNS<\/th>\n<th>DNS truy\u1ec1n th\u1ed1ng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>B\u1ea3o v\u1ec7<\/td>\n<td>n\u00e2ng cao<\/td>\n<td>Ti\u00eau chu\u1ea9n<\/td>\n<\/tr>\n<tr>\n<td>Hi\u1ec7u su\u1ea5t<\/td>\n<td>T\u1ed1i \u01b0u h\u00f3a<\/td>\n<td>B\u00ecnh th\u01b0\u1eddng<\/td>\n<\/tr>\n<tr>\n<td>Uy\u1ec3n chuy\u1ec3n<\/td>\n<td>Cao<\/td>\n<td>V\u1eeba ph\u1ea3i<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 c\u1ee7a t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn ph\u00e2n chia DNS<\/h2>\n<p>Split DNS d\u1ef1 ki\u1ebfn s\u1ebd ph\u00e1t tri\u1ec3n v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi n\u1ed5i nh\u01b0 qu\u1ea3n l\u00fd DNS do AI \u0111i\u1ec1u khi\u1ec3n v\u00e0 t\u00edch h\u1ee3p IoT. T\u1ef1 \u0111\u1ed9ng h\u00f3a n\u00e2ng cao, c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c ki\u1ebfn tr\u00fac m\u1ea1ng hi\u1ec7n \u0111\u1ea1i c\u00f3 th\u1ec3 s\u1ebd \u0111\u1ecbnh h\u00ecnh t\u01b0\u01a1ng lai c\u1ee7a Split DNS.<\/p>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft m\u00e1y ch\u1ee7 proxy v\u1edbi DNS ph\u00e2n t\u00e1ch<\/h2>\n<p>C\u00e1c m\u00e1y ch\u1ee7 proxy, gi\u1ed1ng nh\u01b0 c\u00e1c m\u00e1y ch\u1ee7 do OneProxy cung c\u1ea5p, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p li\u1ec1n m\u1ea1ch v\u1edbi Split DNS \u0111\u1ec3 n\u00e2ng cao h\u01a1n n\u1eefa t\u00ednh b\u1ea3o m\u1eadt v\u00e0 hi\u1ec7u su\u1ea5t. M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 x\u1eed l\u00fd c\u00e1c y\u00eau c\u1ea7u gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 internet, b\u1ed5 sung th\u00eam m\u1ed9t l\u1edbp ki\u1ec3m so\u00e1t v\u00e0 b\u1ea3o m\u1eadt. Trong b\u1ed1i c\u1ea3nh Chia DNS, s\u1ef1 k\u1ebft h\u1ee3p n\u00e0y c\u00f3 th\u1ec3 cung c\u1ea5p:<\/p>\n<ul>\n<li>C\u00e2n b\u1eb1ng t\u1ea3i t\u1ed1t h\u01a1n<\/li>\n<li>T\u0103ng c\u01b0\u1eddng quy\u1ec1n ri\u00eang t\u01b0<\/li>\n<li>L\u1ecdc n\u1ed9i dung hi\u1ec7u qu\u1ea3<\/li>\n<li>C\u00e1c bi\u1ec7n ph\u00e1p an ninh b\u1ed5 sung<\/li>\n<\/ul>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<ul>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Split-horizon_DNS\" target=\"_new\" rel=\"noopener nofollow\">Wikipedia \u2013 Chia DNS<\/a><\/li>\n<li><a href=\"https:\/\/www.cisco.com\" target=\"_new\" rel=\"noopener nofollow\">H\u01b0\u1edbng d\u1eabn c\u1ee7a Cisco v\u1ec1 tri\u1ec3n khai DNS ph\u00e2n t\u00e1ch<\/a><\/li>\n<li><a href=\"https:\/\/oneproxy.pro\/vn\/\" target=\"_new\" rel=\"noopener\">OneProxy \u2013 T\u0103ng c\u01b0\u1eddng ph\u00e2n chia DNS b\u1eb1ng proxy<\/a><\/li>\n<\/ul>\n<hr \/>\n<p><em>L\u01b0u \u00fd: Th\u00f4ng tin \u0111\u01b0\u1ee3c cung c\u1ea5p trong b\u00e0i vi\u1ebft n\u00e0y d\u1ef1a tr\u00ean ki\u1ebfn th\u1ee9c chung v\u00e0 th\u1ef1c ti\u1ec5n trong ng\u00e0nh k\u1ec3 t\u1eeb l\u1ea7n c\u1eadp nh\u1eadt g\u1ea7n \u0111\u00e2y nh\u1ea5t v\u00e0o n\u0103m 2021. Lu\u00f4n tham kh\u1ea3o \u00fd ki\u1ebfn c\u1ee7a chuy\u00ean gia m\u1ea1ng ho\u1eb7c tham kh\u1ea3o t\u00e0i li\u1ec7u s\u1ea3n ph\u1ea9m c\u1ee5 th\u1ec3 \u0111\u1ec3 c\u00f3 th\u00f4ng tin ch\u00ednh x\u00e1c v\u00e0 c\u1eadp nh\u1eadt nh\u1ea5t.<\/em><\/p>","protected":false},"featured_media":479103,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-479102","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"","faq_items":null},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/479102","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":1,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/479102\/revisions"}],"predecessor-version":[{"id":505546,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/479102\/revisions\/505546"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/479103"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=479102"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}