{"id":38276,"date":"2026-01-21T15:45:21","date_gmt":"2026-01-21T08:45:21","guid":{"rendered":"https:\/\/interdata.vn\/blog\/?p=38276"},"modified":"2026-01-21T16:10:07","modified_gmt":"2026-01-21T09:10:07","slug":"cach-cai-dat-ssl-vps-mien-phi","status":"publish","type":"post","link":"https:\/\/interdata.vn\/blog\/cach-cai-dat-ssl-vps-mien-phi\/","title":{"rendered":"C\u00e1ch c\u00e0i \u0111\u1eb7t SSL VPS mi\u1ec5n ph\u00ed, nhanh, an to\u00e0n (Chi ti\u1ebft A\u2013Z)"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-white ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed8I DUNG<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/interdata.vn\/blog\/cach-cai-dat-ssl-vps-mien-phi\/#Vi-sao-nen-cai-dat-SSL-cho-Hosting-va-VPS\" >V\u00ec sao n\u00ean c\u00e0i \u0111\u1eb7t SSL cho Hosting v\u00e0 VPS?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/interdata.vn\/blog\/cach-cai-dat-ssl-vps-mien-phi\/#Bao-ve-du-lieu-nguoi-dung-hieu-qua\" >B\u1ea3o v\u1ec7 d\u1eef li\u1ec7u ng\u01b0\u1eddi d\u00f9ng hi\u1ec7u qu\u1ea3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/interdata.vn\/blog\/cach-cai-dat-ssl-vps-mien-phi\/#Dam-bao-du-lieu-khong-bi-can-thiep\" >\u0110\u1ea3m b\u1ea3o d\u1eef li\u1ec7u kh\u00f4ng b\u1ecb can thi\u1ec7p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/interdata.vn\/blog\/cach-cai-dat-ssl-vps-mien-phi\/#Gia-tang-do-tin-cay-va-cai-thien-chuyen-doi\" >Gia t\u0103ng \u0111\u1ed9 tin c\u1eady v\u00e0 c\u1ea3i thi\u1ec7n chuy\u1ec3n \u0111\u1ed5i<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/interdata.vn\/blog\/cach-cai-dat-ssl-vps-mien-phi\/#Tranh-canh-bao-%E2%80%9CKhong-bao-mat%E2%80%9D-tu-trinh-duyet\" >Tr\u00e1nh c\u1ea3nh b\u00e1o \u201cKh\u00f4ng b\u1ea3o m\u1eadt\u201d t\u1eeb tr\u00ecnh duy\u1ec7t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/interdata.vn\/blog\/cach-cai-dat-ssl-vps-mien-phi\/#Ho-tro-SEO-va-thu-hang-tim-kiem\" >H\u1ed7 tr\u1ee3 SEO v\u00e0 th\u1ee9 h\u1ea1ng t\u00ecm ki\u1ebfm<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/interdata.vn\/blog\/cach-cai-dat-ssl-vps-mien-phi\/#Dap-ung-tieu-chuan-bao-mat-va-de-dang-tich-hop\" >\u0110\u00e1p \u1ee9ng ti\u00eau chu\u1ea9n b\u1ea3o m\u1eadt v\u00e0 d\u1ec5 d\u00e0ng t\u00edch h\u1ee3p<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/interdata.vn\/blog\/cach-cai-dat-ssl-vps-mien-phi\/#Can-chuan-bi-nhung-gi-truoc-khi-cai-SSL-cho-VPS\" >C\u1ea7n chu\u1ea9n b\u1ecb nh\u1eefng g\u00ec tr\u01b0\u1edbc khi c\u00e0i SSL cho VPS?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/interdata.vn\/blog\/cach-cai-dat-ssl-vps-mien-phi\/#Huong-dan-cai-dat-SSL-Lets-Encrypt-cho-Hosting-Linux-va-VPS\" >H\u01b0\u1edbng d\u1eabn c\u00e0i \u0111\u1eb7t SSL Let\u2019s Encrypt cho Hosting Linux v\u00e0 VPS<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/interdata.vn\/blog\/cach-cai-dat-ssl-vps-mien-phi\/#Buoc-1-Kiem-tra-ten-mien-da-tro-dung-IP-HostingVPS-chua\" >B\u01b0\u1edbc 1: Ki\u1ec3m tra t\u00ean mi\u1ec1n \u0111\u00e3 tr\u1ecf \u0111\u00fang IP Hosting\/VPS ch\u01b0a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/interdata.vn\/blog\/cach-cai-dat-ssl-vps-mien-phi\/#Buoc-2-Kich-hoat-va-cau-hinh-SSL-Lets-Encrypt\" >B\u01b0\u1edbc 2: K\u00edch ho\u1ea1t v\u00e0 c\u1ea5u h\u00ecnh SSL Let\u2019s Encrypt<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/interdata.vn\/blog\/cach-cai-dat-ssl-vps-mien-phi\/#Thiet-lap-Symlink-giua-private-html-va-public-html\" >Thi\u1ebft l\u1eadp Symlink gi\u1eefa private_html v\u00e0 public_html<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/interdata.vn\/blog\/cach-cai-dat-ssl-vps-mien-phi\/#Tu-dong-chuyen-huong-HTTP-sang-HTTPS-bang-Rewrite\" >T\u1ef1 \u0111\u1ed9ng chuy\u1ec3n h\u01b0\u1edbng HTTP sang HTTPS b\u1eb1ng Rewrite<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/interdata.vn\/blog\/cach-cai-dat-ssl-vps-mien-phi\/#Thue-VPS-Linux-on-dinh-toc-do-cao-uy-tin-gia-re-tai-InterData\" >Thu\u00ea VPS Linux \u1ed5n \u0111\u1ecbnh, t\u1ed1c \u0111\u1ed9 cao, uy t\u00edn gi\u00e1 r\u1ebb t\u1ea1i InterData<\/a><\/li><\/ul><\/nav><\/div>\n<p>Trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh website tr\u00ean VPS, b\u1ea3o m\u1eadt d\u1eef li\u1ec7u lu\u00f4n l\u00e0 y\u1ebfu t\u1ed1 kh\u00f4ng th\u1ec3 b\u1ecf qua. M\u1ed9t trong nh\u1eefng b\u01b0\u1edbc c\u01a1 b\u1ea3n nh\u01b0ng quan tr\u1ecdng nh\u1ea5t \u0111\u1ec3 b\u1ea3o v\u1ec7 th\u00f4ng tin ng\u01b0\u1eddi d\u00f9ng ch\u00ednh l\u00e0 c\u00e0i \u0111\u1eb7t SSL. Khi website ch\u01b0a c\u00f3 SSL, d\u1eef li\u1ec7u trao \u0111\u1ed5i gi\u1eefa tr\u00ecnh duy\u1ec7t v\u00e0 m\u00e1y ch\u1ee7 c\u00f3 th\u1ec3 b\u1ecb theo d\u00f5i ho\u1eb7c can thi\u1ec7p, \u0111\u1ed3ng th\u1eddi tr\u00ecnh duy\u1ec7t c\u0169ng s\u1ebd hi\u1ec3n th\u1ecb c\u1ea3nh b\u00e1o \u201cKh\u00f4ng b\u1ea3o m\u1eadt\u201d, \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn uy t\u00edn v\u00e0 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<p>Trong b\u00e0i vi\u1ebft n\u00e0y, InterData s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n <strong><a href=\"https:\/\/interdata.vn\/blog\/cach-cai-dat-ssl-vps-mien-phi\/\">c\u00e1ch c\u00e0i \u0111\u1eb7t SSL cho VPS mi\u1ec5n ph\u00ed<\/a>, tri\u1ec3n khai nhanh v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n<\/strong> \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 t\u1ef1 th\u1ef1c hi\u1ec7n ngay c\u1ea3 khi ch\u01b0a c\u00f3 nhi\u1ec1u kinh nghi\u1ec7m qu\u1ea3n tr\u1ecb VPS.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Vi-sao-nen-cai-dat-SSL-cho-Hosting-va-VPS\"><\/span>V\u00ec sao n\u00ean c\u00e0i \u0111\u1eb7t SSL cho Hosting v\u00e0 VPS?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Bao-ve-du-lieu-nguoi-dung-hieu-qua\"><\/span><strong>B\u1ea3o v\u1ec7 d\u1eef li\u1ec7u ng\u01b0\u1eddi d\u00f9ng hi\u1ec7u qu\u1ea3<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>SSL gi\u00fap m\u00e3 h\u00f3a to\u00e0n b\u1ed9 d\u1eef li\u1ec7u trao \u0111\u1ed5i gi\u1eefa tr\u00ecnh duy\u1ec7t v\u00e0 m\u00e1y ch\u1ee7. Nh\u1edd \u0111\u00f3, c\u00e1c th\u00f4ng tin quan tr\u1ecdng nh\u01b0 m\u1eadt kh\u1ea9u, email hay d\u1eef li\u1ec7u c\u00e1 nh\u00e2n \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 kh\u1ecfi nguy c\u01a1 b\u1ecb nghe l\u00e9n ho\u1eb7c \u0111\u00e1nh c\u1eafp trong qu\u00e1 tr\u00ecnh truy\u1ec1n t\u1ea3i.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Dam-bao-du-lieu-khong-bi-can-thiep\"><\/span><strong>\u0110\u1ea3m b\u1ea3o d\u1eef li\u1ec7u kh\u00f4ng b\u1ecb can thi\u1ec7p<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Kh\u00f4ng ch\u1ec9 d\u1eebng l\u1ea1i \u1edf m\u00e3 h\u00f3a, SSL c\u00f2n x\u00e1c th\u1ef1c k\u1ebft n\u1ed1i gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 m\u00e1y ch\u1ee7. \u0110i\u1ec1u n\u00e0y gi\u00fap h\u1ea1n ch\u1ebf t\u00ecnh tr\u1ea1ng d\u1eef li\u1ec7u b\u1ecb ch\u1ec9nh s\u1eeda, ch\u00e8n m\u00e3 \u0111\u1ed9c ho\u1eb7c b\u1ecb t\u00e1c \u0111\u1ed9ng b\u1edfi b\u00ean th\u1ee9 ba khi \u0111ang truy\u1ec1n qua m\u1ea1ng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Gia-tang-do-tin-cay-va-cai-thien-chuyen-doi\"><\/span><strong>Gia t\u0103ng \u0111\u1ed9 tin c\u1eady v\u00e0 c\u1ea3i thi\u1ec7n chuy\u1ec3n \u0111\u1ed5i<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Website s\u1eed d\u1ee5ng HTTPS s\u1ebd hi\u1ec3n th\u1ecb bi\u1ec3u t\u01b0\u1ee3ng \u1ed5 kh\u00f3a tr\u00ean tr\u00ecnh duy\u1ec7t. \u0110\u00e2y l\u00e0 d\u1ea5u hi\u1ec7u quen thu\u1ed9c t\u1ea1o c\u1ea3m gi\u00e1c an t\u00e2m cho ng\u01b0\u1eddi d\u00f9ng khi \u0111\u0103ng nh\u1eadp ho\u1eb7c th\u1ef1c hi\u1ec7n giao d\u1ecbch, \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng v\u1edbi website th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed v\u00e0 c\u00e1c d\u1ecbch v\u1ee5 y\u00eau c\u1ea7u t\u00e0i kho\u1ea3n.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-38281\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/01\/Vi-sao-nen-cai-dat-SSL-cho-Hosting-va-VPS.jpg\" alt=\"V\u00ec sao n\u00ean c\u00e0i \u0111\u1eb7t SSL cho Hosting v\u00e0 VPS\" width=\"800\" height=\"500\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/01\/Vi-sao-nen-cai-dat-SSL-cho-Hosting-va-VPS.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/01\/Vi-sao-nen-cai-dat-SSL-cho-Hosting-va-VPS-300x188.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/01\/Vi-sao-nen-cai-dat-SSL-cho-Hosting-va-VPS-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tranh-canh-bao-%E2%80%9CKhong-bao-mat%E2%80%9D-tu-trinh-duyet\"><\/span><strong>Tr\u00e1nh c\u1ea3nh b\u00e1o \u201cKh\u00f4ng b\u1ea3o m\u1eadt\u201d t\u1eeb tr\u00ecnh duy\u1ec7t<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Hi\u1ec7n nay, Chrome, Firefox v\u00e0 nhi\u1ec1u tr\u00ecnh duy\u1ec7t kh\u00e1c \u0111\u1ec1u hi\u1ec3n th\u1ecb c\u1ea3nh b\u00e1o v\u1edbi c\u00e1c website d\u00f9ng HTTP. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m uy t\u00edn website v\u00e0 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m c\u0169ng nh\u01b0 l\u01b0\u1ee3ng truy c\u1eadp.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Ho-tro-SEO-va-thu-hang-tim-kiem\"><\/span><strong>H\u1ed7 tr\u1ee3 SEO v\u00e0 th\u1ee9 h\u1ea1ng t\u00ecm ki\u1ebfm<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Google \u01b0u ti\u00ean c\u00e1c website s\u1eed d\u1ee5ng HTTPS trong thu\u1eadt to\u00e1n x\u1ebfp h\u1ea1ng. Vi\u1ec7c c\u00e0i SSL gi\u00fap c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng SEO v\u00e0 t\u0103ng c\u01a1 h\u1ed9i ti\u1ebfp c\u1eadn ng\u01b0\u1eddi d\u00f9ng t\u1eeb t\u00ecm ki\u1ebfm t\u1ef1 nhi\u00ean.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Dap-ung-tieu-chuan-bao-mat-va-de-dang-tich-hop\"><\/span><strong>\u0110\u00e1p \u1ee9ng ti\u00eau chu\u1ea9n b\u1ea3o m\u1eadt v\u00e0 d\u1ec5 d\u00e0ng t\u00edch h\u1ee3p<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>SSL l\u00e0 y\u00eau c\u1ea7u ph\u1ed5 bi\u1ebfn trong nhi\u1ec1u ti\u00eau chu\u1ea9n b\u1ea3o m\u1eadt nh\u01b0 PCI DSS. \u0110\u1ed3ng th\u1eddi, nhi\u1ec1u c\u1ed5ng thanh to\u00e1n, webhook ho\u1eb7c API b\u00ean th\u1ee9 ba ch\u1ec9 ch\u1ea5p nh\u1eadn k\u1ebft n\u1ed1i HTTPS nh\u1eb1m \u0111\u1ea3m b\u1ea3o an to\u00e0n cho to\u00e0n b\u1ed9 h\u1ec7 sinh th\u00e1i.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Can-chuan-bi-nhung-gi-truoc-khi-cai-SSL-cho-VPS\"><\/span>C\u1ea7n chu\u1ea9n b\u1ecb nh\u1eefng g\u00ec tr\u01b0\u1edbc khi c\u00e0i SSL cho VPS?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>T\u00f9y v\u00e0o g\u00f3i d\u1ecbch v\u1ee5 v\u00e0 h\u00ecnh th\u1ee9c x\u00e1c th\u1ef1c ch\u1ee9ng ch\u1ec9, b\u1ea1n c\u1ea7n s\u1eb5n s\u00e0ng c\u00e1c th\u00f4ng tin v\u00e0 \u0111i\u1ec1u ki\u1ec7n sau:<\/p>\n<ul>\n<li><strong>Quy\u1ec1n truy c\u1eadp VPS: <\/strong>C\u1ea7n c\u00f3 quy\u1ec1n root ho\u1eb7c t\u00e0i kho\u1ea3n sudo \u0111\u1ec3 c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m v\u00e0 ch\u1ec9nh s\u1eeda c\u1ea5u h\u00ecnh h\u1ec7 th\u1ed1ng.<\/li>\n<li><strong>T\u00ean mi\u1ec1n \u0111\u00e3 tr\u1ecf \u0111\u00fang v\u1ec1 IP VPS: <\/strong>DNS c\u1ee7a t\u00ean mi\u1ec1n ph\u1ea3i tr\u1ecf ch\u00ednh x\u00e1c v\u1ec1 IP c\u1ee7a VPS. B\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m tra nhanh b\u1eb1ng l\u1ec7nh <code>ping tenmiencuaban.com<\/code> v\u00e0 so s\u00e1nh IP tr\u1ea3 v\u1ec1.<\/li>\n<li><strong>Web server \u0111ang ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh; <\/strong>VPS c\u1ea7n \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t v\u00e0 v\u1eadn h\u00e0nh Apache, Nginx ho\u1eb7c LiteSpeed \u0111\u1ec3 ph\u1ee5c v\u1ee5 website.<\/li>\n<li><strong>M\u1edf c\u1ed5ng 443 tr\u00ean Firewall: <\/strong>Firewall (UFW ho\u1eb7c firewalld) ph\u1ea3i cho ph\u00e9p truy c\u1eadp qua c\u1ed5ng 443 \u0111\u1ec3 HTTPS ho\u1ea1t \u0111\u1ed9ng.<\/li>\n<li><strong>H\u1ec7 \u0111i\u1ec1u h\u00e0nh VPS: <\/strong>VPS s\u1eed d\u1ee5ng h\u1ec7 \u0111i\u1ec1u h\u00e0nh Linux nh\u01b0 CentOS 7, Ubuntu\u2026<\/li>\n<li><strong>T\u00e0i kho\u1ea3n qu\u1ea3n tr\u1ecb: <\/strong>S\u1eed d\u1ee5ng t\u00e0i kho\u1ea3n root\/admin ho\u1eb7c t\u00e0i kho\u1ea3n user c\u00f3 quy\u1ec1n sudo.<\/li>\n<li><strong>Web server: <\/strong>Apache, Nginx ho\u1eb7c LiteSpeed \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t.<\/li>\n<li><strong>C\u00f4ng c\u1ee5 truy c\u1eadp m\u00e1y ch\u1ee7: <\/strong>Chu\u1ea9n b\u1ecb ph\u1ea7n m\u1ec1m SSH (PuTTY) v\u00e0 FTP (FileZilla) ho\u1eb7c c\u00e1c c\u00f4ng c\u1ee5 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng.<\/li>\n<li><strong>B\u1ea3ng \u0111i\u1ec1u khi\u1ec3n hosting: <\/strong>V\u00ed d\u1ee5 nh\u01b0 cPanel, DirectAdmin\u2026<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Huong-dan-cai-dat-SSL-Lets-Encrypt-cho-Hosting-Linux-va-VPS\"><\/span>H\u01b0\u1edbng d\u1eabn c\u00e0i \u0111\u1eb7t SSL Let\u2019s Encrypt cho Hosting Linux v\u00e0 VPS<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Buoc-1-Kiem-tra-ten-mien-da-tro-dung-IP-HostingVPS-chua\"><\/span>B\u01b0\u1edbc 1: Ki\u1ec3m tra t\u00ean mi\u1ec1n \u0111\u00e3 tr\u1ecf \u0111\u00fang IP Hosting\/VPS ch\u01b0a<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tr\u01b0\u1edbc khi c\u1ea5u h\u00ecnh SSL, b\u1ea1n c\u1ea7n \u0111\u1ea3m b\u1ea3o b\u1ea3n ghi <code>@<\/code> v\u00e0 <code>www<\/code> c\u1ee7a t\u00ean mi\u1ec1n \u0111\u00e3 tr\u1ecf v\u1ec1 hosting c\u1ee7a InterData. \u0110\u1ec3 ki\u1ec3m tra, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng l\u1ec7nh trong CMD tr\u00ean m\u00e1y t\u00ednh v\u00e0 \u0111\u1ed1i chi\u1ebfu IP tr\u1ea3 v\u1ec1.<\/p>\n<pre>ping domain.com\r\nping www.domain.com\r\n<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-38282\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/01\/Kiem-tra-domain-da-tro-ve-dung-IP-Hosting-VPS-chua.png\" alt=\"Ki\u1ec3m tra domain \u0111\u00e3 tr\u1ecf v\u1ec1 \u0111\u00fang IP Hosting, VPS ch\u01b0a\" width=\"796\" height=\"516\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/01\/Kiem-tra-domain-da-tro-ve-dung-IP-Hosting-VPS-chua.png 796w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/01\/Kiem-tra-domain-da-tro-ve-dung-IP-Hosting-VPS-chua-300x194.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/01\/Kiem-tra-domain-da-tro-ve-dung-IP-Hosting-VPS-chua-768x498.png 768w\" sizes=\"auto, (max-width: 796px) 100vw, 796px\" \/><\/pre>\n<h3><span class=\"ez-toc-section\" id=\"Buoc-2-Kich-hoat-va-cau-hinh-SSL-Lets-Encrypt\"><\/span>B\u01b0\u1edbc 2: K\u00edch ho\u1ea1t v\u00e0 c\u1ea5u h\u00ecnh SSL Let\u2019s Encrypt<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u0103ng nh\u1eadp v\u00e0o hosting, truy c\u1eadp m\u1ee5c <strong>SSL Certificates<\/strong>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-38283 aligncenter\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/01\/Vao-hosting-chon-muc-SSL-Certificates.png\" alt=\"V\u00e0o hosting ch\u1ecdn m\u1ee5c SSL Certificates\" width=\"805\" height=\"627\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/01\/Vao-hosting-chon-muc-SSL-Certificates.png 805w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/01\/Vao-hosting-chon-muc-SSL-Certificates-300x234.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/01\/Vao-hosting-chon-muc-SSL-Certificates-768x598.png 768w\" sizes=\"auto, (max-width: 805px) 100vw, 805px\" \/><\/p>\n<p>T\u1ea1i \u0111\u00e2y, ch\u1ecdn t\u00f9y ch\u1ecdn th\u1ee9 hai <strong>Free &amp; automatic certificate from Let\u2019s Encrypt<\/strong>, sau \u0111\u00f3 nh\u1eadp t\u00ean website v\u00e0 email theo y\u00eau c\u1ea7u. K\u00e9o xu\u1ed1ng cu\u1ed1i trang v\u00e0 nh\u1ea5n <strong>Save<\/strong>.<\/p>\n<p>Sau khi l\u01b0u, h\u1ec7 th\u1ed1ng Let\u2019s Encrypt s\u1ebd ti\u1ebfn h\u00e0nh x\u00e1c th\u1ef1c t\u00ean mi\u1ec1n v\u00e0 hosting. Khi xu\u1ea5t hi\u1ec7n th\u00f4ng b\u00e1o th\u00e0nh c\u00f4ng, \u0111i\u1ec1u \u0111\u00f3 \u0111\u1ed3ng ngh\u0129a SSL cho t\u00ean mi\u1ec1n <em>interdata.vn (interdata.vn l\u00e0 t\u00ean mi\u1ec1n c\u1ee7a b\u1ea1n)<\/em>\u00a0\u0111\u00e3 \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-38284\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/01\/Bat-SSL-va-cau-hinh-SSL-thanh-cong.png\" alt=\"B\u1eadt SSL v\u00e0 c\u1ea5u h\u00ecnh SSL th\u00e0nh c\u00f4ng\" width=\"783\" height=\"619\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/01\/Bat-SSL-va-cau-hinh-SSL-thanh-cong.png 783w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/01\/Bat-SSL-va-cau-hinh-SSL-thanh-cong-300x237.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/01\/Bat-SSL-va-cau-hinh-SSL-thanh-cong-768x607.png 768w\" sizes=\"auto, (max-width: 783px) 100vw, 783px\" \/><\/p>\n<p>Trong tr\u01b0\u1eddng h\u1ee3p t\u00ean mi\u1ec1n ch\u01b0a tr\u1ecf \u0111\u00fang IP hosting, h\u1ec7 th\u1ed1ng s\u1ebd hi\u1ec3n th\u1ecb th\u00f4ng b\u00e1o l\u1ed7i t\u01b0\u01a1ng \u1ee9ng.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-38285\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/01\/Neu-domain-chua-tro-ve-dung-IP-hosting-se-bao-loi.png\" alt=\"N\u1ebfu domain ch\u01b0a tr\u1ecf v\u1ec1 \u0111\u00fang IP hosting s\u1ebd b\u00e1o l\u1ed7i\" width=\"784\" height=\"593\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/01\/Neu-domain-chua-tro-ve-dung-IP-hosting-se-bao-loi.png 784w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/01\/Neu-domain-chua-tro-ve-dung-IP-hosting-se-bao-loi-300x227.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/01\/Neu-domain-chua-tro-ve-dung-IP-hosting-se-bao-loi-768x581.png 768w\" sizes=\"auto, (max-width: 784px) 100vw, 784px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Thiet-lap-Symlink-giua-private-html-va-public-html\"><\/span>Thi\u1ebft l\u1eadp Symlink gi\u1eefa private_html v\u00e0 public_html<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Truy c\u1eadp m\u1ee5c <strong>Domain setup<\/strong> tr\u00ean hosting, ch\u1ecdn domain \u0111ang c\u1ea5u h\u00ecnh SSL.<\/p>\n<p>T\u00edch ch\u1ecdn <strong>Use a symbolic link from private_html to public_html \u2013 allows for same data in http and https<\/strong>, sau \u0111\u00f3 nh\u1ea5n <strong>Save<\/strong> \u0111\u1ec3 l\u01b0u c\u1ea5u h\u00ecnh.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-38290\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/01\/Chon-Use-a-symbolic-link-from.png\" alt=\"Ch\u1ecdn Use a symbolic link from...\" width=\"802\" height=\"623\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/01\/Chon-Use-a-symbolic-link-from.png 802w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/01\/Chon-Use-a-symbolic-link-from-300x233.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/01\/Chon-Use-a-symbolic-link-from-768x597.png 768w\" sizes=\"auto, (max-width: 802px) 100vw, 802px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tu-dong-chuyen-huong-HTTP-sang-HTTPS-bang-Rewrite\"><\/span>T\u1ef1 \u0111\u1ed9ng chuy\u1ec3n h\u01b0\u1edbng HTTP sang HTTPS b\u1eb1ng Rewrite<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u1ec3 c\u00e1c truy c\u1eadp HTTP kh\u00f4ng c\u00f3 SSL t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n sang HTTPS, b\u1ea1n c\u1ea7n th\u00eam \u0111o\u1ea1n c\u1ea5u h\u00ecnh sau v\u00e0o file <code>.htaccess<\/code> trong th\u01b0 m\u1ee5c <code>public_html<\/code> c\u1ee7a domain:<\/p>\n<pre>RewriteEngine On\r\n\r\nRewriteCond %{HTTP_HOST} ^interdata\\.vn[NC]\r\nRewriteCond %{SERVER_PORT} 80\r\nRewriteRule ^(.*)$ https:\/\/interdata.vn\/$1 [R,L]<\/pre>\n<p><strong>L\u01b0u \u00fd<\/strong>: H\u00e3y thay interdata.vn b\u1eb1ng ch\u00ednh t\u00ean mi\u1ec1n c\u1ee7a b\u1ea1n \u0111\u1ec3 c\u1ea5u h\u00ecnh ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c.<\/p>\n<p>Nh\u01b0 v\u1eady, b\u1ea1n \u0111\u00e3 ho\u00e0n th\u00e0nh vi\u1ec7c c\u00e0i \u0111\u1eb7t SSL Let\u2019s Encrypt cho Hosting Linux ho\u1eb7c VPS theo h\u01b0\u1edbng d\u1eabn t\u1eeb InterData. Ch\u00fac b\u1ea1n th\u1ef1c hi\u1ec7n th\u00e0nh c\u00f4ng. N\u1ebfu c\u00f3 b\u1ea5t k\u1ef3 th\u1eafc m\u1eafc n\u00e0o trong qu\u00e1 tr\u00ecnh c\u1ea5u h\u00ecnh, h\u00e3y \u0111\u1ec3 l\u1ea1i b\u00ecnh lu\u1eadn b\u00ean d\u01b0\u1edbi ho\u1eb7c g\u1eedi email cho InterData \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 chi ti\u1ebft.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Thue-VPS-Linux-on-dinh-toc-do-cao-uy-tin-gia-re-tai-InterData\"><\/span>Thu\u00ea VPS Linux \u1ed5n \u0111\u1ecbnh, t\u1ed1c \u0111\u1ed9 cao, uy t\u00edn gi\u00e1 r\u1ebb t\u1ea1i InterData<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>N\u1ebfu b\u1ea1n \u0111ang t\u00ecm m\u1ed9t n\u1ec1n t\u1ea3ng VPS <strong>\u1ed5n \u0111\u1ecbnh, hi\u1ec7u n\u0103ng cao, d\u1ec5 qu\u1ea3n l\u00fd<\/strong> \u0111\u1ec3 tri\u1ec3n khai website v\u00e0 <strong>c\u00e0i \u0111\u1eb7t SSL an to\u00e0n<\/strong>, d\u1ecbch v\u1ee5 <strong>thu\u00ea VPS Linux c\u1ee7a InterData<\/strong> l\u00e0 l\u1ef1a ch\u1ecdn \u0111\u00e1ng c\u00e2n nh\u1eafc. InterData cung c\u1ea5p gi\u1ea3i ph\u00e1p <strong>VPS Linux c\u1ea5u h\u00ecnh \u0111a d\u1ea1ng, ch\u1ea1y tr\u00ean \u1ed5 c\u1ee9ng SSD\/NVMe t\u1ed1c \u0111\u1ed9 cao<\/strong> v\u00e0 s\u1eed d\u1ee5ng vi x\u1eed l\u00fd Intel Xeon v\u01b0\u1ee3t tr\u1ed9i, \u0111\u00e1p \u1ee9ng t\u1eeb c\u00e1c d\u1ef1 \u00e1n c\u00e1 nh\u00e2n \u0111\u1ebfn \u1ee9ng d\u1ee5ng doanh nghi\u1ec7p ph\u1ee9c t\u1ea1p.<\/p>\n<p>V\u1edbi <strong>t\u1ed1c \u0111\u1ed9 m\u1ea1ng nhanh, uptime cao<\/strong> c\u00f9ng \u0111\u01b0\u1eddng truy\u1ec1n \u1ed5n \u0111\u1ecbnh, thu\u00ea VPS Linux t\u1ea1i InterData gi\u00fap website c\u1ee7a b\u1ea1n lu\u00f4n tr\u1ef1c tuy\u1ebfn s\u1eb5n s\u00e0ng ph\u1ee5c v\u1ee5 kh\u00e1ch truy c\u1eadp \u2014 \u0111i\u1ec1u r\u1ea5t quan tr\u1ecdng khi c\u00e0i \u0111\u1eb7t v\u00e0 duy tr\u00ec ch\u1ee9ng ch\u1ec9 SSL \u0111\u1ec3 b\u1ea3o m\u1eadt truy c\u1eadp HTTPS.<\/p>\n<p>Ngo\u00e0i ra, d\u1ecbch v\u1ee5 h\u1ed7 tr\u1ee3 <strong>\u0111a d\u1ea1ng h\u1ec7 \u0111i\u1ec1u h\u00e0nh Linux (Ubuntu, CentOS, Debian, \u2026)<\/strong> v\u00e0 <strong>full quy\u1ec1n root<\/strong> gi\u00fap b\u1ea1n d\u1ec5 d\u00e0ng c\u1ea5u h\u00ecnh m\u00e1y ch\u1ee7, c\u00e0i SSL Let\u2019s Encrypt mi\u1ec5n ph\u00ed hay c\u00e1c ch\u1ee9ng ch\u1ec9 kh\u00e1c m\u1ed9t c\u00e1ch linh ho\u1ea1t v\u00e0 t\u1ef1 do.<\/p>\n<p>V\u1edbi <strong>ch\u00ednh s\u00e1ch d\u00f9ng th\u1eed 7 ng\u00e0y v\u00e0 ho\u00e0n ti\u1ec1n minh b\u1ea1ch<\/strong>, c\u00f9ng <strong>\u0111\u1ed9i ng\u0169 h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt 24\/7<\/strong>, InterData kh\u00f4ng ch\u1ec9 l\u00e0 n\u01a1i l\u01b0u tr\u1eef VPS m\u00e0 c\u00f2n \u0111\u1ed3ng h\u00e0nh c\u00f9ng b\u1ea1n trong su\u1ed1t qu\u00e1 tr\u00ecnh thi\u1ebft l\u1eadp v\u00e0 b\u1ea3o m\u1eadt m\u00e1y ch\u1ee7.<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/interdata.vn\/vps-linux\" class=\"button primary is-primary is-medium\"  >\n\t\t<span> XEM B\u1ea2NG GI\u00c1 VPS LINUX GI\u00c1 R\u1eba<\/span>\n\t<\/a>\n\n","protected":false},"excerpt":{"rendered":"<p>Trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh website tr\u00ean VPS, b\u1ea3o m\u1eadt d\u1eef li\u1ec7u lu\u00f4n l\u00e0 y\u1ebfu t\u1ed1 kh\u00f4ng th\u1ec3 b\u1ecf qua. M\u1ed9t trong nh\u1eefng b\u01b0\u1edbc c\u01a1 b\u1ea3n nh\u01b0ng quan tr\u1ecdng nh\u1ea5t \u0111\u1ec3 b\u1ea3o v\u1ec7 th\u00f4ng tin ng\u01b0\u1eddi d\u00f9ng ch\u00ednh l\u00e0 c\u00e0i \u0111\u1eb7t SSL. Khi website ch\u01b0a c\u00f3 SSL, d\u1eef li\u1ec7u trao \u0111\u1ed5i gi\u1eefa tr\u00ecnh duy\u1ec7t v\u00e0<\/p>\n","protected":false},"author":11,"featured_media":38287,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[49],"tags":[],"class_list":["post-38276","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-vps"],"_links":{"self":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/38276","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/comments?post=38276"}],"version-history":[{"count":8,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/38276\/revisions"}],"predecessor-version":[{"id":38293,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/38276\/revisions\/38293"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media\/38287"}],"wp:attachment":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media?parent=38276"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/categories?post=38276"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/tags?post=38276"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}