{"id":250,"date":"2015-01-10T20:29:07","date_gmt":"2015-01-10T13:29:07","guid":{"rendered":"https:\/\/beta.engisv.info\/?p=250"},"modified":"2018-08-22T08:47:58","modified_gmt":"2018-08-22T01:47:58","slug":"dns-server-phan-1-trien-khai-bind-tren-dieu-hanh-centos","status":"publish","type":"post","link":"https:\/\/www.engisv.info\/?p=250","title":{"rendered":"DNS server &#8211; Ph\u1ea7n 1: Tri\u1ec3n khai BIND tr\u00ean h\u1ec7 \u0111i\u1ec1u h\u00e0nh CentOS"},"content":{"rendered":"<p>DNS l\u00e0 m\u1ed9t d\u1ecbch v\u1ee5 v\u00f4 c\u00f9ng quan tr\u1ecdng c\u1ee7a Internet c\u0169ng nh\u01b0 c\u00e1c m\u1ea1ng n\u1ed9i b\u1ed9, gi\u00fap vi\u1ec7c ph\u00e2n gi\u1ea3i c\u00e1c IP sang m\u1ed9t c\u00e1i t\u00ean (th\u00e2n thi\u1ec7n v\u1edbi ng\u01b0\u1eddi d\u00f9ng) v\u00e0 ph\u00e2n gi\u1ea3i ng\u01b0\u1ee3c t\u1eeb t\u00ean sang IP. D\u1ecbch v\u1ee5 n\u00e0y gi\u00fap vi\u1ec7c \u0111\u1ecbnh danh c\u00e1c m\u00e1y c\u0169ng nh\u01b0 c\u00e1c m\u1ea1ng th\u00e0nh m\u1ed9t c\u00e1i t\u00ean m\u00e0 con ng\u01b0\u1eddi c\u00f3 th\u1ec3 d\u1ec3 d\u00e0ng ghi nh\u01a1 thay cho \u0111\u1ecba ch\u1ec9 IP ph\u1ee9c t\u1ea1p. Tr\u00ean Linux ch\u00fang ta c\u00f3 th\u1ec3 tri\u1ec3n khai v\u1edbi g\u00f3i ph\u1ea7n m\u1ec1m BIND (Berkeley Internet Name Domain).<\/p>\n<p>Trong b\u00e0i vi\u1ebft n\u00e0y ch\u00fang ta s\u1ebd c\u00f3 m\u00f4 h\u00ecnh th\u1ef1c hi\u1ec7n nh\u01b0 sau:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" style=\"margin-left: auto; margin-right: auto;\" src=\"https:\/\/vsxvhw-sn3302.files.1drv.com\/y2p0HA1WSVb42r1Z3FDO23pSF2JuLeNbXPYCa5xhwGBOTOGj25H6cgnJPJUE-_IbJt9RMLQaALRLQ_u-Re2YXxUHStd9cMfEs6knet-SyT9HTrhYkSPjxwEXbUXOKW19NJMGtXVJC8tSUTrOwnqHkgXcA\/mo%20hinh.png?psid=1\" alt=\"\" width=\"300\" height=\"274\" \/><\/p>\n<p>V\u1edbi m\u00e1y SRV1 l\u00e0 m\u00e1y d\u1ecbch v\u1ee5 DNS v\u1edbi vi\u1ec7c c\u00e0i \u0111\u1eb7t g\u00f2i ph\u1ea7n m\u1ec1m BIND, d\u00f9ng l\u1ec7nh <em><strong>yum install bind<\/strong><\/em>, khi d\u00f9ng yum th\u00ec b\u1ea1n l\u01b0u \u00fd l\u00e0 m\u00e1y ph\u1ea3i k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c internet (trong video demo b\u00ean d\u01b0\u1edbi th\u00ec vi\u1ec7c c\u00e0i g\u00f3i bind di\u1ec3n ra tr\u01b0\u1edbc khi thi\u1ebft l\u1eadp IP t\u1ec9nh cho DNS server). V\u1edbi l\u1ec7nh n\u00e0y ta c\u00f3 th\u1ec3 c\u00e0i \u0111\u1eb7t 3 g\u00f3i ch\u00ednh:<\/p>\n<ul>\n<li>bind-9.x<\/li>\n<li>bind-lib<\/li>\n<li>bind-devel<\/li>\n<\/ul>\n<p>Sau khi c\u00e0i \u0111\u1eb7t g\u00f3i BIND xong, b\u1ea1n s\u1ebd ti\u1ebfn h\u00e0nh edit l\u1ea1i file named.conf b\u1eb1ng c\u00e1ch d\u00f9ng l\u1ec7nh <em><strong>vi \/etc\/named.conf<\/strong><\/em>. B\u1ea1n s\u1ebd th\u00eam v\u00e0o IP \u00a0c\u1ee7a server, m\u1eb7c \u0111\u1ecbnh h\u1ec7 th\u1ed1ng l\u1eb1ng nghe tr\u00ean 127.0.0.1. Thay \u0111\u1ed5i d\u00f2ng <em><strong>allow-query<\/strong><\/em> (cho ph\u00e9p truy v\u1ea5n t\u1eeb nh\u1eefng m\u1ea1ng n\u00e0o) th\u00e0nh any (truy v\u1ea5n b\u1ea5t k\u1ef3 \u0111\u00e2u).<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" style=\"margin-left: auto; margin-right: auto;\" src=\"https:\/\/usuewg-sn3302.files.1drv.com\/y2pwJ7zE_FPMZkbhjlrBZPUgYbOWfDD6vzl11rxYP2DDsb2Vf16Gh96Kr-svhzkNI5q97H1QfwO1ALaBuC5T9T31HOkUY6WDuGIuSMkWanXE5nmthbXFfjK2Y4WU06HCQilPycKTT3q9BHj3d4VPDvV4Q\/bind%20%281%29.png?psid=1\" alt=\"\" width=\"400\" height=\"110\" \/><\/p>\n<p>C\u0169ng trong file <em><strong>named.conf <\/strong><\/em>n\u00e0y ta \u0111\u1ecbnh ngh\u0129a th\u00eam c\u00e1c d\u00f2ng v\u1ec1 zone ph\u00e2n gi\u1ea3i thu\u1eadn v\u00e0 zone ph\u00e2n gi\u1ea3i ng\u1ecbch. Ch\u1ec9 ra c\u00e1c file ch\u1ee9a c\u01a1 s\u1edf d\u1eef li\u1ec7u ph\u1ee5c v\u1ee5 cho vi\u1ec7c ph\u00e2n gi\u1ea3i t\u00ean.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" style=\"margin-left: auto; margin-right: auto;\" src=\"https:\/\/usuewg-sn3302.files.1drv.com\/y2pDj7RC15Dl4h4rQuNx0mVlrO1vPySBtooDYTa3aqOsczw0UUoGRewA5h24GzBRjPEupvroF6QTXnOi9apKwiPXfY8m0Y7sMGcqzuccYiW4kqwRbuHe-PZG8YkVFy2n8tK8mzeHubcQcm3a0A4qaGXWA\/bind%20%282%29.png?psid=1\" alt=\"\" width=\"400\" height=\"259\" \/><\/p>\n<p>K\u1ebf ti\u1ebfp trong th\u01b0 m\u1ee5c <em>\/var\/named <\/em>ta t\u1ea1o hai file c\u01a1 s\u1edf d\u1eef li\u1ec7u cho vi\u1ec7c ph\u00e2n gi\u1ea3i nh\u01b0 sau:<\/p>\n<p>File ph\u00e2n gi\u1ea3i thu\u1eadn (<em><strong>zone_thuan.db<\/strong><\/em>), \u0111\u1ecbnh ngh\u0129a <a href=\"https:\/\/www.engisv.info\/?p=255\" target=\"_blank\" rel=\"noopener\">c\u00e1c record<\/a> cho ph\u00e9p vi\u1ec7c ph\u00e2n gi\u1ea3i t\u1eeb t\u00ean sang IP (Forward Lookup Zone).<\/p>\n<ul>\n<li>SOA: m\u00e1y ch\u1ee7 primary, m\u00e1y x\u00e1c th\u1ef1c DNS server.<\/li>\n<li>NS: Name server<\/li>\n<li>MX: Ch\u1ec9 \u0111\u1ebfn m\u00e1y mail server, record n\u00e0y gi\u00fap cho vi\u1ec7c truy\u1ec1n th\u00f4ng mail gi\u1eefa c\u00e1c mi\u1ec1n.<\/li>\n<li>A: \u0110\u1ecbnh ngh\u0129a c\u00e1c host.<\/li>\n<li>CNAME: hay c\u00f2n g\u1ecdi l\u00e0 Alias<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" style=\"margin-left: auto; margin-right: auto;\" src=\"https:\/\/usuewg-sn3302.files.1drv.com\/y2pBBbfjMaqCOcLSCiLk1Fp7pa1CW0SdezZ-uGXq_Ea7MCL1d6qJIX0NmWbpIdHRhTvcIzBj4T7upcq1ZwiylS8_YCyFjKtVQrqLJb8KTGAoRXrsk4PERs0wckFIoA7PGMKKxKZKAusom-pW3W3bmz2yw\/bind%20%283%29.png?psid=1\" alt=\"\" width=\"400\" height=\"246\" \/><\/p>\n<p>File ph\u00e2n gi\u1ea3i ngh\u1ecbch (<em><strong>zone_nghich.db<\/strong><\/em>), ch\u1ee9a <a href=\"https:\/\/www.engisv.info\/?p=255\" target=\"_blank\" rel=\"noopener\">c\u00e1c record<\/a> ph\u00e2n gi\u1ea3i t\u1eeb IP sang t\u00ean (Reverse Lookup).<\/p>\n<ul>\n<li>PTR: pointer, d\u00f9ng \u0111\u1ec3 ph\u00e2n gi\u1ea3i c\u00e1c IP sang t\u00ean. V\u1edbi c\u00e1c con s\u1ed1 254, 253, 252 l\u00e0 octet cu\u1ed1i c\u1ee7a c\u00e1c \u0111\u1ecba ch\u1ec9 IP 192.168.100.254,\u00a0192.168.100.253,\u00a0192.168.100.252.<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" style=\"margin-left: auto; margin-right: auto;\" src=\"https:\/\/usuewg-sn3302.files.1drv.com\/y2p_yxjIElFFYBVSWAPHwPDrr9FKqGUe2TjEl8L_5HHka6a_UuB9Icg8clD3KDoI3k7GwPAr_svmeZFuFgRZqnq23fYFcXkqy1BgCB4EJnFe75LK1uzWVSobKUKU5zDTAg8ZljH4vROXcO5xzR79qfvYg\/bind%20%284%29.png?psid=1\" alt=\"\" width=\"400\" height=\"184\" \/><\/p>\n<p>B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c <a href=\"https:\/\/www.mediafire.com\/download\/zhc8czsqutpp9mm\/bind_file_config.rar\" target=\"_blank\" rel=\"noopener\">file c\u1ea5u h\u00ecnh t\u1ea1i \u0111\u00e2y<\/a> \u0111\u1ec3 ti\u1ebfn h\u00e0nh test.<\/p>\n<p>\u0110\u1ec3 kh\u1edfi ch\u1ea1y d\u1ecbch v\u1ee5 ta d\u00f9ng l\u1ec7nh sau:<\/p>\n<ul>\n<li>Centos 6 v\u00e0 5\n<ul>\n<li>service named start<\/li>\n<li>chkconfig named on<\/li>\n<\/ul>\n<\/li>\n<li>Centos 7\n<ul>\n<li>systemctl start named<\/li>\n<li>systemctl enable named<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>C\u00e1c b\u1ea1n l\u01b0u \u00fd r\u1eb1ng \u1edf \u0111\u00e2y ch\u01b0a c\u1ea7n ph\u1ea3i c\u00e0i \u0111\u1eb7t v\u00e0 d\u00f9ng g\u00f3i bind-chroot.<\/p>\n<p><a href=\"https:\/\/youtu.be\/NoIfyF8pTM0\" target=\"_blank\" rel=\"noopener\">Video demo<\/a><\/p>\n<p><iframe loading=\"lazy\" title=\"C\u1ea5u h\u00ecnh DNS server tr\u00ean CentOS v\u1edbi Bind\" width=\"640\" height=\"480\" src=\"https:\/\/www.youtube.com\/embed\/NoIfyF8pTM0?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>DNS l\u00e0 m\u1ed9t d\u1ecbch v\u1ee5 v\u00f4 c\u00f9ng quan tr\u1ecdng c\u1ee7a Internet c\u0169ng nh\u01b0 c\u00e1c m\u1ea1ng n\u1ed9i b\u1ed9, gi\u00fap vi\u1ec7c ph\u00e2n gi\u1ea3i c\u00e1c IP sang m\u1ed9t c\u00e1i t\u00ean (th\u00e2n thi\u1ec7n v\u1edbi ng\u01b0\u1eddi d\u00f9ng) v\u00e0 ph\u00e2n gi\u1ea3i ng\u01b0\u1ee3c t\u1eeb t\u00ean sang IP. D\u1ecbch v\u1ee5 n\u00e0y gi\u00fap vi\u1ec7c \u0111\u1ecbnh danh c\u00e1c m\u00e1y c\u0169ng nh\u01b0 c\u00e1c m\u1ea1ng th\u00e0nh m\u1ed9t c\u00e1i t\u00ean m\u00e0 con ng\u01b0\u1eddi c\u00f3 th\u1ec3 d\u1ec3 d\u00e0ng ghi nh\u01a1 thay cho \u0111\u1ecba ch\u1ec9 IP ph\u1ee9c t\u1ea1p. Tr\u00ean Linux ch\u00fang ta c\u00f3 th\u1ec3 tri\u1ec3n khai v\u1edbi g\u00f3i ph\u1ea7n m\u1ec1m BIND (Berkeley Internet Name Domain).&hellip;<\/p>\n","protected":false},"author":2,"featured_media":241,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"footnotes":""},"categories":[4,8],"tags":[31,34],"class_list":["post-250","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mang","category-ma-nguon-mo-mang","tag-centos","tag-dns"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>DNS server - Ph\u1ea7n 1: Tri\u1ec3n khai BIND tr\u00ean h\u1ec7 \u0111i\u1ec1u h\u00e0nh CentOS - EngISV<\/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:\/\/www.engisv.info\/?p=250\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"DNS server - Ph\u1ea7n 1: Tri\u1ec3n khai BIND tr\u00ean h\u1ec7 \u0111i\u1ec1u h\u00e0nh CentOS - EngISV\" \/>\n<meta property=\"og:description\" content=\"DNS l\u00e0 m\u1ed9t d\u1ecbch v\u1ee5 v\u00f4 c\u00f9ng quan tr\u1ecdng c\u1ee7a Internet c\u0169ng nh\u01b0 c\u00e1c m\u1ea1ng n\u1ed9i b\u1ed9, gi\u00fap vi\u1ec7c ph\u00e2n gi\u1ea3i c\u00e1c IP sang m\u1ed9t c\u00e1i t\u00ean (th\u00e2n thi\u1ec7n v\u1edbi ng\u01b0\u1eddi d\u00f9ng) v\u00e0 ph\u00e2n gi\u1ea3i ng\u01b0\u1ee3c t\u1eeb t\u00ean sang IP. D\u1ecbch v\u1ee5 n\u00e0y gi\u00fap vi\u1ec7c \u0111\u1ecbnh danh c\u00e1c m\u00e1y c\u0169ng nh\u01b0 c\u00e1c m\u1ea1ng th\u00e0nh m\u1ed9t c\u00e1i t\u00ean m\u00e0 con ng\u01b0\u1eddi c\u00f3 th\u1ec3 d\u1ec3 d\u00e0ng ghi nh\u01a1 thay cho \u0111\u1ecba ch\u1ec9 IP ph\u1ee9c t\u1ea1p. Tr\u00ean Linux ch\u00fang ta c\u00f3 th\u1ec3 tri\u1ec3n khai v\u1edbi g\u00f3i ph\u1ea7n m\u1ec1m BIND (Berkeley Internet Name Domain).&hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.engisv.info\/?p=250\" \/>\n<meta property=\"og:site_name\" content=\"EngISV\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/engisv\" \/>\n<meta property=\"article:published_time\" content=\"2015-01-10T13:29:07+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2018-08-22T01:47:58+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2016\/09\/centos1-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"419\" \/>\n\t<meta property=\"og:image:height\" content=\"278\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"hoanghiepktv\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"hoanghiepktv\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.engisv.info\\\/?p=250#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.engisv.info\\\/?p=250\"},\"author\":{\"name\":\"hoanghiepktv\",\"@id\":\"https:\\\/\\\/www.engisv.info\\\/#\\\/schema\\\/person\\\/dcbab2ddc35f4c71f45c7e13f36367bf\"},\"headline\":\"DNS server &#8211; 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