{"id":476955,"date":"2023-08-09T09:05:36","date_gmt":"2023-08-09T09:05:36","guid":{"rendered":""},"modified":"2023-09-05T11:13:45","modified_gmt":"2023-09-05T11:13:45","slug":"dnssec","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/dnssec\/","title":{"rendered":"DNSSEC"},"content":{"rendered":"<p>DNSSEC, vi\u1ebft t\u1eaft c\u1ee7a Ti\u1ec7n \u00edch m\u1edf r\u1ed9ng b\u1ea3o m\u1eadt h\u1ec7 th\u1ed1ng t\u00ean mi\u1ec1n, l\u00e0 m\u1ed9t bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 b\u1ea3o v\u1ec7 t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a d\u1eef li\u1ec7u DNS (H\u1ec7 th\u1ed1ng t\u00ean mi\u1ec1n). B\u1eb1ng c\u00e1ch x\u00e1c minh ngu\u1ed3n g\u1ed1c v\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a d\u1eef li\u1ec7u, DNSSEC ng\u0103n ch\u1eb7n c\u00e1c ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9c h\u1ea1i nh\u01b0 gi\u1ea3 m\u1ea1o DNS, trong \u0111\u00f3 k\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 chuy\u1ec3n h\u01b0\u1edbng l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp web \u0111\u1ebfn c\u00e1c m\u00e1y ch\u1ee7 l\u1eeba \u0111\u1ea3o.<\/p>\n<h2>L\u1ecbch s\u1eed v\u00e0 ngu\u1ed3n g\u1ed1c c\u1ee7a DNSSEC<\/h2>\n<p>Kh\u00e1i ni\u1ec7m DNSSEC xu\u1ea5t hi\u1ec7n v\u00e0o cu\u1ed1i nh\u1eefng n\u0103m 1990 nh\u01b0 m\u1ed9t ph\u1ea3n \u1ee9ng tr\u01b0\u1edbc s\u1ed1 l\u01b0\u1ee3ng c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng gi\u1ea3 m\u1ea1o DNS v\u00e0 \u0111\u1ea7u \u0111\u1ed9c b\u1ed9 \u0111\u1ec7m ng\u00e0y c\u00e0ng t\u0103ng. L\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u1ec1 c\u1eadp ch\u00ednh th\u1ee9c \u0111\u1ebfn DNSSEC l\u00e0 v\u00e0o n\u0103m 1997, khi L\u1ef1c l\u01b0\u1ee3ng \u0111\u1eb7c nhi\u1ec7m k\u1ef9 thu\u1eadt Internet (IETF) ph\u00e1t h\u00e0nh RFC 2065 n\u00eau chi ti\u1ebft v\u1ec1 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt DNSSEC ban \u0111\u1ea7u. Sau \u0111\u00f3 n\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c tinh ch\u1ec9nh v\u00e0 c\u1eadp nh\u1eadt trong RFC 4033, 4034 v\u00e0 4035, \u0111\u01b0\u1ee3c xu\u1ea5t b\u1ea3n v\u00e0o th\u00e1ng 3 n\u0103m 2005, l\u00e0 c\u01a1 s\u1edf cho ho\u1ea1t \u0111\u1ed9ng DNSSEC hi\u1ec7n t\u1ea1i.<\/p>\n<h2>M\u1edf r\u1ed9ng ch\u1ee7 \u0111\u1ec1: Chi ti\u1ebft v\u1ec1 DNSSEC<\/h2>\n<p>DNSSEC b\u1ed5 sung th\u00eam m\u1ed9t l\u1edbp b\u1ea3o m\u1eadt cho giao th\u1ee9c DNS truy\u1ec1n th\u1ed1ng b\u1eb1ng c\u00e1ch cho ph\u00e9p x\u00e1c th\u1ef1c c\u00e1c ph\u1ea3n h\u1ed3i DNS. N\u00f3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ch\u1eef k\u00fd s\u1ed1 d\u1ef1a tr\u00ean m\u1eadt m\u00e3 kh\u00f3a c\u00f4ng khai. Nh\u1eefng ch\u1eef k\u00fd n\u00e0y \u0111\u01b0\u1ee3c bao g\u1ed3m trong d\u1eef li\u1ec7u DNS \u0111\u1ec3 x\u00e1c minh t\u00ednh x\u00e1c th\u1ef1c v\u00e0 t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a n\u00f3, \u0111\u1ea3m b\u1ea3o r\u1eb1ng d\u1eef li\u1ec7u kh\u00f4ng b\u1ecb gi\u1ea3 m\u1ea1o trong qu\u00e1 tr\u00ecnh truy\u1ec1n.<\/p>\n<p>V\u1ec1 b\u1ea3n ch\u1ea5t, DNSSEC cung c\u1ea5p ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 ng\u01b0\u1eddi nh\u1eadn ki\u1ec3m tra xem d\u1eef li\u1ec7u DNS nh\u1eadn \u0111\u01b0\u1ee3c t\u1eeb m\u00e1y ch\u1ee7 DNS c\u00f3 b\u1eaft ngu\u1ed3n t\u1eeb \u0111\u00fang ch\u1ee7 s\u1edf h\u1eefu t\u00ean mi\u1ec1n v\u00e0 kh\u00f4ng b\u1ecb s\u1eeda \u0111\u1ed5i trong qu\u00e1 tr\u00ecnh truy\u1ec1n hay kh\u00f4ng. \u0110\u00e2y l\u00e0 m\u1ed9t bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt quan tr\u1ecdng trong th\u1eddi \u0111\u1ea1i m\u00e0 vi\u1ec7c gi\u1ea3 m\u1ea1o DNS v\u00e0 c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng t\u01b0\u01a1ng t\u1ef1 kh\u00e1c l\u00e0 ph\u1ed5 bi\u1ebfn. .<\/p>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a DNSSEC v\u00e0 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3<\/h2>\n<p>DNSSEC ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch k\u00fd k\u1ef9 thu\u1eadt s\u1ed1 c\u00e1c b\u1ea3n ghi d\u1eef li\u1ec7u DNS b\u1eb1ng kh\u00f3a m\u1eadt m\u00e3, cung c\u1ea5p c\u00e1ch th\u1ee9c \u0111\u1ec3 ng\u01b0\u1eddi ph\u00e2n gi\u1ea3i x\u00e1c minh t\u00ednh x\u00e1c th\u1ef1c c\u1ee7a ph\u1ea3n h\u1ed3i DNS. Ho\u1ea1t \u0111\u1ed9ng c\u1ee7a DNSSEC c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh nhi\u1ec1u b\u01b0\u1edbc:<\/p>\n<ol>\n<li>\n<p><strong>K\u00fd v\u00f9ng<\/strong>: Trong giai \u0111o\u1ea1n n\u00e0y, t\u1ea5t c\u1ea3 c\u00e1c b\u1ea3n ghi trong v\u00f9ng DNS \u0111\u01b0\u1ee3c k\u00fd b\u1eb1ng kh\u00f3a k\u00fd v\u00f9ng (ZSK).<\/p>\n<\/li>\n<li>\n<p><strong>K\u00fd ch\u00ednh<\/strong>: M\u1ed9t kh\u00f3a ri\u00eang bi\u1ec7t, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 kh\u00f3a k\u00fd t\u00ean (KSK), \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 k\u00fd v\u00e0o b\u1ea3n ghi DNSKEY ch\u1ee9a ZSK.<\/p>\n<\/li>\n<li>\n<p><strong>T\u1ea1o b\u1ea3n ghi ng\u01b0\u1eddi k\u00fd \u1ee7y quy\u1ec1n (DS)<\/strong>: B\u1ea3n ghi DS, phi\u00ean b\u1ea3n b\u0103m c\u1ee7a KSK, \u0111\u01b0\u1ee3c t\u1ea1o v\u00e0 \u0111\u1eb7t trong v\u00f9ng ch\u00ednh \u0111\u1ec3 thi\u1ebft l\u1eadp chu\u1ed7i tin c\u1eady.<\/p>\n<\/li>\n<li>\n<p><strong>Th\u1ea9m \u0111\u1ecbnh<\/strong>: Khi tr\u00ecnh ph\u00e2n gi\u1ea3i nh\u1eadn \u0111\u01b0\u1ee3c ph\u1ea3n h\u1ed3i DNS, n\u00f3 s\u1ebd s\u1eed d\u1ee5ng chu\u1ed7i tin c\u1eady \u0111\u1ec3 x\u00e1c th\u1ef1c ch\u1eef k\u00fd v\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ednh x\u00e1c th\u1ef1c c\u0169ng nh\u01b0 t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a d\u1eef li\u1ec7u DNS.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a DNSSEC<\/h2>\n<p>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a DNSSEC bao g\u1ed3m:<\/p>\n<ul>\n<li>\n<p><strong>X\u00e1c th\u1ef1c ngu\u1ed3n g\u1ed1c d\u1eef li\u1ec7u<\/strong>: DNSSEC cho ph\u00e9p tr\u00ecnh ph\u00e2n gi\u1ea3i x\u00e1c minh r\u1eb1ng d\u1eef li\u1ec7u m\u00e0 n\u00f3 nh\u1eadn \u0111\u01b0\u1ee3c th\u1ef1c s\u1ef1 \u0111\u1ebfn t\u1eeb mi\u1ec1n m\u00e0 n\u00f3 tin r\u1eb1ng n\u00f3 \u0111\u00e3 li\u00ean h\u1ec7.<\/p>\n<\/li>\n<li>\n<p><strong>B\u1ea3o v\u1ec7 to\u00e0n v\u1eb9n d\u1eef li\u1ec7u<\/strong>: DNSSEC \u0111\u1ea3m b\u1ea3o r\u1eb1ng d\u1eef li\u1ec7u kh\u00f4ng b\u1ecb s\u1eeda \u0111\u1ed5i trong qu\u00e1 tr\u00ecnh truy\u1ec1n, b\u1ea3o v\u1ec7 kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng nh\u01b0 \u0111\u1ea7u \u0111\u1ed9c b\u1ed9 \u0111\u1ec7m.<\/p>\n<\/li>\n<li>\n<p><strong>Chu\u1ed7i tin c\u1eady<\/strong>: DNSSEC s\u1eed d\u1ee5ng chu\u1ed7i tin c\u1eady t\u1eeb v\u00f9ng g\u1ed1c xu\u1ed1ng b\u1ea3n ghi DNS \u0111\u01b0\u1ee3c truy v\u1ea5n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh x\u00e1c th\u1ef1c v\u00e0 to\u00e0n v\u1eb9n c\u1ee7a d\u1eef li\u1ec7u.<\/p>\n<\/li>\n<\/ul>\n<h2>C\u00e1c lo\u1ea1i DNSSEC<\/h2>\n<p>DNSSEC \u0111\u01b0\u1ee3c tri\u1ec3n khai b\u1eb1ng hai lo\u1ea1i kh\u00f3a m\u1eadt m\u00e3:<\/p>\n<ul>\n<li>\n<p><strong>Kh\u00f3a k\u00fd v\u00f9ng (ZSK)<\/strong>: ZSK \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 k\u00fd t\u1ea5t c\u1ea3 c\u00e1c b\u1ea3n ghi trong v\u00f9ng DNS.<\/p>\n<\/li>\n<li>\n<p><strong>Kh\u00f3a k\u00fd t\u00ean (KSK)<\/strong>: KSK l\u00e0 kh\u00f3a an to\u00e0n h\u01a1n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 k\u00fd v\u00e0o b\u1ea3n ghi DNSKEY.<\/p>\n<\/li>\n<\/ul>\n<p>M\u1ed7i kh\u00f3a n\u00e0y \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong ho\u1ea1t \u0111\u1ed9ng chung c\u1ee7a DNSSEC.<\/p>\n<table>\n<thead>\n<tr>\n<th>Lo\u1ea1i ch\u00ednh<\/th>\n<th>S\u1eed d\u1ee5ng<\/th>\n<th>T\u1ea7n s\u1ed1 quay<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Z, SK<\/td>\n<td>K\u00fd b\u1ea3n ghi DNS trong m\u1ed9t v\u00f9ng<\/td>\n<td>Th\u01b0\u1eddng xuy\u00ean (v\u00ed d\u1ee5: h\u00e0ng th\u00e1ng)<\/td>\n<\/tr>\n<tr>\n<td>KSK<\/td>\n<td>D\u1ea5u hi\u1ec7u b\u1ea3n ghi DNSKEY<\/td>\n<td>Kh\u00f4ng th\u01b0\u1eddng xuy\u00ean (v\u00ed d\u1ee5, h\u00e0ng n\u0103m)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>S\u1eed d\u1ee5ng DNSSEC: C\u00e1c v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng g\u1eb7p v\u00e0 gi\u1ea3i ph\u00e1p<\/h2>\n<p>Vi\u1ec7c tri\u1ec3n khai DNSSEC c\u00f3 th\u1ec3 \u0111\u1eb7t ra m\u1ed9t s\u1ed1 th\u00e1ch th\u1ee9c nh\u1ea5t \u0111\u1ecbnh, bao g\u1ed3m s\u1ef1 ph\u1ee9c t\u1ea1p c\u1ee7a vi\u1ec7c qu\u1ea3n l\u00fd kh\u00f3a v\u00e0 s\u1ef1 gia t\u0103ng k\u00edch th\u01b0\u1edbc ph\u1ea3n h\u1ed3i DNS. Tuy nhi\u00ean, gi\u1ea3i ph\u00e1p cho nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y v\u1eabn t\u1ed3n t\u1ea1i. C\u00e1c h\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c quy tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i v\u00e0 qu\u1ea3n l\u00fd kh\u00f3a, \u0111\u1ed3ng th\u1eddi c\u00e1c ti\u1ec7n \u00edch m\u1edf r\u1ed9ng nh\u01b0 EDNS0 (C\u01a1 ch\u1ebf m\u1edf r\u1ed9ng cho DNS) c\u00f3 th\u1ec3 gi\u00fap x\u1eed l\u00fd c\u00e1c ph\u1ea3n h\u1ed3i DNS l\u1edbn h\u01a1n.<\/p>\n<p>M\u1ed9t v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn kh\u00e1c l\u00e0 thi\u1ebfu s\u1ef1 \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i DNSSEC, d\u1eabn \u0111\u1ebfn chu\u1ed7i tin c\u1eady kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7. V\u1ea5n \u0111\u1ec1 n\u00e0y ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft th\u00f4ng qua vi\u1ec7c tri\u1ec3n khai DNSSEC r\u1ed9ng r\u00e3i h\u01a1n tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c mi\u1ec1n v\u00e0 tr\u00ecnh ph\u00e2n gi\u1ea3i DNS.<\/p>\n<h2>So s\u00e1nh DNSSEC v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 t\u01b0\u01a1ng t\u1ef1<\/h2>\n<table>\n<thead>\n<tr>\n<th><\/th>\n<th>DNSSEC<\/th>\n<th>DNS qua HTTPS (DoH)<\/th>\n<th>DNS qua TLS (DoT)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0110\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n d\u1eef li\u1ec7u<\/td>\n<td>\u0110\u00fang<\/td>\n<td>KH\u00d4NG<\/td>\n<td>KH\u00d4NG<\/td>\n<\/tr>\n<tr>\n<td>M\u00e3 h\u00f3a d\u1eef li\u1ec7u<\/td>\n<td>KH\u00d4NG<\/td>\n<td>\u0110\u00fang<\/td>\n<td>\u0110\u00fang<\/td>\n<\/tr>\n<tr>\n<td>Y\u00eau c\u1ea7u c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng kh\u00f3a c\u00f4ng khai<\/td>\n<td>\u0110\u00fang<\/td>\n<td>KH\u00d4NG<\/td>\n<td>KH\u00d4NG<\/td>\n<\/tr>\n<tr>\n<td>B\u1ea3o v\u1ec7 ch\u1ed1ng gi\u1ea3 m\u1ea1o DNS<\/td>\n<td>\u0110\u00fang<\/td>\n<td>KH\u00d4NG<\/td>\n<td>KH\u00d4NG<\/td>\n<\/tr>\n<tr>\n<td>\u01afng du\u0323ng r\u00f4\u0323ng Rai<\/td>\n<td>m\u1ed9t ph\u1ea7n<\/td>\n<td>Ph\u00e1t tri\u1ec3n<\/td>\n<td>Ph\u00e1t tri\u1ec3n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>M\u1eb7c d\u00f9 DoH v\u00e0 DoT cung c\u1ea5p th\u00f4ng tin li\u00ean l\u1ea1c \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a gi\u1eefa m\u00e1y kh\u00e1ch v\u00e0 m\u00e1y ch\u1ee7 nh\u01b0ng ch\u1ec9 DNSSEC m\u1edbi c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a d\u1eef li\u1ec7u DNS v\u00e0 b\u1ea3o v\u1ec7 kh\u1ecfi h\u00e0nh vi gi\u1ea3 m\u1ea1o DNS.<\/p>\n<h2>Quan \u0111i\u1ec3m t\u01b0\u01a1ng lai v\u00e0 c\u00f4ng ngh\u1ec7 li\u00ean quan \u0111\u1ebfn DNSSEC<\/h2>\n<p>Khi web ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n v\u00e0 c\u00e1c m\u1ed1i \u0111e d\u1ecda tr\u00ean m\u1ea1ng tr\u1edf n\u00ean ph\u1ee9c t\u1ea1p h\u01a1n, DNSSEC v\u1eabn l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n quan tr\u1ecdng c\u1ee7a b\u1ea3o m\u1eadt internet. C\u00e1c c\u1ea3i ti\u1ebfn trong t\u01b0\u01a1ng lai \u0111\u1ed1i v\u1edbi DNSSEC c\u00f3 th\u1ec3 bao g\u1ed3m c\u01a1 ch\u1ebf chuy\u1ec3n \u0111\u1ed5i t\u1ef1 \u0111\u1ed9ng v\u00e0 qu\u1ea3n l\u00fd kh\u00f3a \u0111\u01b0\u1ee3c \u0111\u01a1n gi\u1ea3n h\u00f3a, t\u0103ng c\u01b0\u1eddng t\u1ef1 \u0111\u1ed9ng h\u00f3a v\u00e0 t\u00edch h\u1ee3p t\u1ed1t h\u01a1n v\u1edbi c\u00e1c giao th\u1ee9c b\u1ea3o m\u1eadt kh\u00e1c.<\/p>\n<p>C\u00f4ng ngh\u1ec7 chu\u1ed7i kh\u1ed1i, v\u1edbi t\u00ednh b\u1ea3o m\u1eadt v\u1ed1n c\u00f3 v\u00e0 t\u00ednh ch\u1ea5t phi t\u1eadp trung, c\u0169ng \u0111ang \u0111\u01b0\u1ee3c kh\u00e1m ph\u00e1 nh\u01b0 m\u1ed9t con \u0111\u01b0\u1eddng ti\u1ec1m n\u0103ng \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng DNSSEC v\u00e0 b\u1ea3o m\u1eadt DNS t\u1ed5ng th\u1ec3.<\/p>\n<h2>M\u00e1y ch\u1ee7 proxy v\u00e0 DNSSEC<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy \u0111\u00f3ng vai tr\u00f2 trung gian gi\u1eefa m\u00e1y kh\u00e1ch v\u00e0 m\u00e1y ch\u1ee7, thay m\u1eb7t ch\u00fang chuy\u1ec3n ti\u1ebfp c\u00e1c y\u00eau c\u1ea7u c\u1ee7a m\u00e1y kh\u00e1ch \u0111\u1ed1i v\u1edbi c\u00e1c d\u1ecbch v\u1ee5 web. M\u1eb7c d\u00f9 m\u00e1y ch\u1ee7 proxy kh\u00f4ng t\u01b0\u01a1ng t\u00e1c tr\u1ef1c ti\u1ebfp v\u1edbi DNSSEC nh\u01b0ng n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh c\u1ea5u h\u00ecnh \u0111\u1ec3 s\u1eed d\u1ee5ng tr\u00ecnh ph\u00e2n gi\u1ea3i DNS nh\u1eadn bi\u1ebft DNSSEC. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c ph\u1ea3n h\u1ed3i DNS m\u00e0 m\u00e1y ch\u1ee7 proxy chuy\u1ec3n ti\u1ebfp t\u1edbi m\u00e1y kh\u00e1ch \u0111\u01b0\u1ee3c x\u00e1c th\u1ef1c v\u00e0 b\u1ea3o m\u1eadt, n\u00e2ng cao t\u00ednh b\u1ea3o m\u1eadt t\u1ed5ng th\u1ec3 c\u1ee7a d\u1eef li\u1ec7u.<\/p>\n<p>C\u00e1c m\u00e1y ch\u1ee7 proxy nh\u01b0 OneProxy c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a gi\u1ea3i ph\u00e1p cho m\u1ed9t m\u1ea1ng Internet ri\u00eang t\u01b0 v\u00e0 an to\u00e0n h\u01a1n, \u0111\u1eb7c bi\u1ec7t khi k\u1ebft h\u1ee3p v\u1edbi c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt nh\u01b0 DNSSEC.<\/p>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 DNSSEC, h\u00e3y xem x\u00e9t c\u00e1c t\u00e0i nguy\u00ean sau:<\/p>\n<ol>\n<li>\n<p><a href=\"https:\/\/www.icann.org\/resources\/pages\/dnssec-what-is-it-why-important-2019-03-05-en\" target=\"_new\" rel=\"noopener nofollow\">T\u1eadp \u0111o\u00e0n Internet c\u1ea5p s\u1ed1 v\u00e0 t\u00ean mi\u1ec1n (ICANN)<\/a><\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/www.ietf.org\/rfc\/rfc4033.txt\" target=\"_new\" rel=\"noopener nofollow\">L\u1ef1c l\u01b0\u1ee3ng \u0111\u1eb7c nhi\u1ec7m k\u1ef9 thu\u1eadt Internet (IETF)<\/a><\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/www.dnssec-deployment.org\/\" target=\"_new\" rel=\"noopener nofollow\">S\u00e1ng ki\u1ebfn tri\u1ec3n khai DNSSEC<\/a><\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/www.verisign.com\/en_US\/domain-names\/dnssec\/index.xhtml\" target=\"_new\" rel=\"noopener nofollow\">Verisign \u2013 Gi\u1ea3i th\u00edch v\u1ec1 DNSSEC<\/a><\/p>\n<\/li>\n<\/ol>\n<p>B\u00e0i vi\u1ebft n\u00e0y cung c\u1ea5p c\u00e1i nh\u00ecn to\u00e0n di\u1ec7n v\u1ec1 DNSSEC, nh\u01b0ng c\u0169ng nh\u01b0 b\u1ea5t k\u1ef3 bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt n\u00e0o, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i c\u1eadp nh\u1eadt nh\u1eefng ph\u00e1t tri\u1ec3n m\u1edbi nh\u1ea5t v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t.<\/p>","protected":false},"featured_media":476956,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476955","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>DNSSEC: A Comprehensive Guide to Domain Name System Security Extensions<\/mark>","faq_items":[{"question":"What is DNSSEC?","answer":"<p>DNSSEC, short for Domain Name System Security Extensions, is a security measure designed to protect the integrity of DNS (Domain Name System) data. It verifies the origin and ensures the integrity of the data, preventing malicious activities such as DNS spoofing, where attackers may redirect web traffic to fraudulent servers.<\/p>"},{"question":"When was DNSSEC first introduced?","answer":"<p>The concept of DNSSEC emerged in the late 1990s as a response to the increasing number of DNS spoofing and cache poisoning attacks. The first official mention of DNSSEC came in 1997, when the Internet Engineering Task Force (IETF) released RFC 2065 detailing the original DNSSEC specification.<\/p>"},{"question":"How does DNSSEC work?","answer":"<p>DNSSEC works by digitally signing DNS data records with cryptographic keys, providing a way for resolvers to verify the authenticity of DNS responses. The operation of DNSSEC involves several steps, including zone signing, key signing, Delegation Signer (DS) record generation, and validation.<\/p>"},{"question":"What are the key features of DNSSEC?","answer":"<p>The main features of DNSSEC include Data Origin Authentication, Data Integrity Protection, and a Chain of Trust. These features allow a resolver to verify that the data it received actually came from the domain it believes it contacted, ensure that the data has not been modified in transit, and establish a chain of trust from the root zone down to the queried DNS record, respectively.<\/p>"},{"question":"What types of DNSSEC exist?","answer":"<p>DNSSEC is implemented using two types of cryptographic keys: the Zone Signing Key (ZSK) used to sign all the records within a DNS zone, and the Key Signing Key (KSK) used to sign the DNSKEY record itself.<\/p>"},{"question":"What are some common problems with DNSSEC and their solutions?","answer":"<p>Common problems with implementing DNSSEC include the complexity of key management, the increase in DNS response sizes, and the lack of universal adoption. Solutions include using automated systems for key management, using extensions like EDNS0 for handling larger DNS responses, and encouraging broader implementation of DNSSEC across all domains and DNS resolvers.<\/p>"},{"question":"How does DNSSEC compare to similar technologies?","answer":"<p>While DNS over HTTPS (DoH) and DNS over TLS (DoT) provide encrypted communication between clients and servers, only DNSSEC can ensure the integrity of DNS data and protect against DNS spoofing. DNSSEC also requires Public Key Infrastructure, unlike DoH and DoT.<\/p>"},{"question":"What is the future of DNSSEC?","answer":"<p>As the web continues to evolve and cyber threats become more sophisticated, DNSSEC remains a critical component of internet security. Future enhancements to DNSSEC may include simplified key management, increased automation, and better integration with other security protocols. Blockchain technology is also being explored for enhancing DNSSEC and overall DNS security.<\/p>"},{"question":"How are proxy servers associated with DNSSEC?","answer":"<p>Proxy servers, while not directly interacting with DNSSEC, can be configured to use DNSSEC-aware DNS resolvers. This ensures that the DNS responses the proxy server forwards to the client are validated and secure, enhancing the overall security of the data.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/476955","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":0,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/476955\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/476956"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=476955"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}