{"id":39055,"date":"2026-02-03T14:38:46","date_gmt":"2026-02-03T07:38:46","guid":{"rendered":"https:\/\/interdata.vn\/blog\/?p=39055"},"modified":"2026-02-10T08:30:29","modified_gmt":"2026-02-10T01:30:29","slug":"chung-chi-dv-ssl-la-gi","status":"publish","type":"post","link":"https:\/\/interdata.vn\/blog\/chung-chi-dv-ssl-la-gi\/","title":{"rendered":"DV SSL l\u00e0 g\u00ec? Ai n\u00ean s\u1eed d\u1ee5ng &#038; So s\u00e1nh DV v\u1edbi OV, EV [2026]"},"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\/chung-chi-dv-ssl-la-gi\/#SSL-la-gi\" >SSL l\u00e0 g\u00ec?<\/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\/chung-chi-dv-ssl-la-gi\/#DV-SSL\" >DV SSL<\/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\/chung-chi-dv-ssl-la-gi\/#OV-SSL\" >OV SSL<\/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\/chung-chi-dv-ssl-la-gi\/#EV-SSL\" >EV SSL<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/interdata.vn\/blog\/chung-chi-dv-ssl-la-gi\/#Chung-chi-DV-SSL-la-gi\" >Ch\u1ee9ng ch\u1ec9 DV SSL l\u00e0 g\u00ec?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/interdata.vn\/blog\/chung-chi-dv-ssl-la-gi\/#DV-SSL-xac-minh-dieu-gi\" >DV SSL x\u00e1c minh \u0111i\u1ec1u g\u00ec?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/interdata.vn\/blog\/chung-chi-dv-ssl-la-gi\/#Uu-va-nhuoc-diem-cua-chung-chi-DV-SSL\" >\u01afu v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a ch\u1ee9ng ch\u1ec9 DV SSL<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/interdata.vn\/blog\/chung-chi-dv-ssl-la-gi\/#Uu-diem-noi-bat\" >\u01afu \u0111i\u1ec3m n\u1ed5i b\u1eadt<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/interdata.vn\/blog\/chung-chi-dv-ssl-la-gi\/#Nhuoc-diem-can-luu-y\" >Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ea7n l\u01b0u \u00fd<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/interdata.vn\/blog\/chung-chi-dv-ssl-la-gi\/#So-sanh-DV-SSL-voi-OV-SSL-va-EV-SSL\" >So s\u00e1nh DV SSL v\u1edbi OV SSL v\u00e0 EV SSL<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/interdata.vn\/blog\/chung-chi-dv-ssl-la-gi\/#DV-SSL-co-du-an-toan-cho-website-khong\" >DV SSL c\u00f3 \u0111\u1ee7 an to\u00e0n cho website kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/interdata.vn\/blog\/chung-chi-dv-ssl-la-gi\/#Nhung-website-su-dung-DV-SSL\" >Nh\u1eefng website s\u1eed d\u1ee5ng DV SSL<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/interdata.vn\/blog\/chung-chi-dv-ssl-la-gi\/#DV-SSL-co-anh-huong-den-SEO-Google-khong\" >DV SSL c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn SEO Google kh\u00f4ng?<\/a><\/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\/chung-chi-dv-ssl-la-gi\/#Truong-hop-nen-su-dung-chung-chi-DV-SSL\" >Tr\u01b0\u1eddng h\u1ee3p n\u00ean s\u1eed d\u1ee5ng ch\u1ee9ng ch\u1ec9 DV SSL<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/interdata.vn\/blog\/chung-chi-dv-ssl-la-gi\/#Cach-kiem-tra-website-da-cai-dat-DV-SSL-hay-chua\" >C\u00e1ch ki\u1ec3m tra website \u0111\u00e3 c\u00e0i \u0111\u1eb7t DV SSL hay ch\u01b0a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/interdata.vn\/blog\/chung-chi-dv-ssl-la-gi\/#Nhung-luu-y-quan-trong-khi-dang-ky-su-dung-chung-chi-DV-SSL\" >Nh\u1eefng l\u01b0u \u00fd quan tr\u1ecdng khi \u0111\u0103ng k\u00fd s\u1eed d\u1ee5ng ch\u1ee9ng ch\u1ec9 DV SSL<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/interdata.vn\/blog\/chung-chi-dv-ssl-la-gi\/#Lua-chon-nha-cung-cap-chung-chi-DV-SSL-uy-tin\" >L\u1ef1a ch\u1ecdn nh\u00e0 cung c\u1ea5p ch\u1ee9ng ch\u1ec9 DV SSL uy t\u00edn<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/interdata.vn\/blog\/chung-chi-dv-ssl-la-gi\/#Chuan-bi-thong-tin-can-thiet-truoc-khi-dang-ky-DV-SSL\" >Chu\u1ea9n b\u1ecb th\u00f4ng tin c\u1ea7n thi\u1ebft tr\u01b0\u1edbc khi \u0111\u0103ng k\u00fd DV SSL<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/interdata.vn\/blog\/chung-chi-dv-ssl-la-gi\/#Xac-dinh-nhu-cau-su-dung-truoc-khi-mua-DV-SSL\" >X\u00e1c \u0111\u1ecbnh nhu c\u1ea7u s\u1eed d\u1ee5ng tr\u01b0\u1edbc khi mua DV SSL<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/interdata.vn\/blog\/chung-chi-dv-ssl-la-gi\/#Theo-doi-va-gia-han-chung-chi-DV-SSL-dung-thoi-han\" >Theo d\u00f5i v\u00e0 gia h\u1ea1n ch\u1ee9ng ch\u1ec9 DV SSL \u0111\u00fang th\u1eddi h\u1ea1n<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/interdata.vn\/blog\/chung-chi-dv-ssl-la-gi\/#Cac-cau-hoi-thuong-gap-FAQs\" >C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQs)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/interdata.vn\/blog\/chung-chi-dv-ssl-la-gi\/#Ket-luan\" >K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<div class=\"summary\">\n<p><strong>T\u00f3m t\u1eaft n\u1ed9i dung:<\/strong> Ch\u1ee9ng ch\u1ec9 DV SSL (Domain Validated SSL) l\u00e0 lo\u1ea1i h\u00ecnh b\u1ea3o m\u1eadt website c\u01a1 b\u1ea3n nh\u1ea5t, t\u1eadp trung v\u00e0o vi\u1ec7c x\u00e1c minh quy\u1ec1n s\u1edf h\u1eefu t\u00ean mi\u1ec1n c\u1ee7a ng\u01b0\u1eddi \u0111\u0103ng k\u00fd. \u0110\u00e2y l\u00e0 gi\u1ea3i ph\u00e1p gi\u00fap k\u00edch ho\u1ea1t bi\u1ec3u t\u01b0\u1ee3ng \u1ed5 kh\u00f3a an to\u00e0n v\u00e0 giao th\u1ee9c HTTPS, b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u truy\u1ec1n t\u1ea3i gi\u1eefa tr\u00ecnh duy\u1ec7t v\u00e0 m\u00e1y ch\u1ee7 m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u1edbi chi ph\u00ed t\u1ed1i \u01b0u.<\/p>\n<p><strong>Th\u00f4ng tin tr\u1ecdng t\u00e2m trong b\u00e0i vi\u1ebft:<\/strong><\/p>\n<ul>\n<li><strong>Kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i:<\/strong> DV SSL l\u00e0 ch\u1ee9ng ch\u1ec9 x\u00e1c th\u1ef1c c\u1ea5p \u0111\u1ed9 t\u00ean mi\u1ec1n, cho ph\u00e9p m\u00e3 h\u00f3a d\u1eef li\u1ec7u m\u00e0 kh\u00f4ng c\u1ea7n ki\u1ec3m tra ph\u00e1p nh\u00e2n doanh nghi\u1ec7p.<\/li>\n<li><strong>C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng:<\/strong> D\u1ef1a tr\u00ean vi\u1ec7c ph\u1ea3n h\u1ed3i c\u00e1c y\u00eau c\u1ea7u x\u00e1c th\u1ef1c qua Email, b\u1ea3n ghi DNS ho\u1eb7c t\u1eadp tin HTTP \u0111\u1ec3 ch\u1ee9ng minh quy\u1ec1n ki\u1ec3m so\u00e1t domain.<\/li>\n<li><strong>Ph\u00e2n lo\u1ea1i &amp; \u0110\u1eb7c \u0111i\u1ec3m:<\/strong> C\u00f3 3 lo\u1ea1i: DV SSL \u2013 OV SSL \u2013 EV SSL, C\u00f3 th\u1eddi gian c\u1ea5p ph\u00e1t nhanh nh\u1ea5t (3-5 ph\u00fat), chi ph\u00ed th\u1ea5p v\u00e0 quy tr\u00ecnh t\u1ef1 \u0111\u1ed9ng h\u00f3a ho\u00e0n to\u00e0n.<\/li>\n<li><strong>Gi\u00e1 tr\u1ecb s\u1eed d\u1ee5ng:<\/strong> Ph\u00f9 h\u1ee3p cho c\u00e1 nh\u00e2n, blog, landing page v\u00e0 c\u00e1c trang web kh\u00f4ng y\u00eau c\u1ea7u x\u00e1c minh danh t\u00ednh c\u00f4ng ty nh\u01b0ng v\u1eabn c\u1ea7n \u0111\u1ea3m b\u1ea3o ti\u00eau chu\u1ea9n SEO c\u1ee7a Google.<\/li>\n<\/ul>\n<\/div>\n<p>Khi truy c\u1eadp m\u1ed9t website v\u00e0 th\u1ea5y bi\u1ec3u t\u01b0\u1ee3ng \u1ed5 kh\u00f3a tr\u00ean thanh \u0111\u1ecba ch\u1ec9 tr\u00ecnh duy\u1ec7t, \u0111\u00f3 l\u00e0 d\u1ea5u hi\u1ec7u cho bi\u1ebft trang web \u0111ang s\u1eed d\u1ee5ng ch\u1ee9ng ch\u1ec9 SSL \u0111\u1ec3 b\u1ea3o m\u1eadt d\u1eef li\u1ec7u. Trong s\u1ed1 c\u00e1c lo\u1ea1i SSL hi\u1ec7n nay, <strong>ch\u1ee9ng ch\u1ec9 DV SSL (Domain Validated SSL)<\/strong> l\u00e0 h\u00ecnh th\u1ee9c ph\u1ed5 bi\u1ebfn nh\u1ea5t. V\u1eady <strong>ch\u1ee9ng ch\u1ec9 DV SSL l\u00e0 g\u00ec<\/strong>, ho\u1ea1t \u0111\u1ed9ng ra sao, DV SSL kh\u00e1c g\u00ec v\u1edbi\u00a0OV SSL \u2013 EV SSL v\u00e0 c\u00f3 \u0111\u1ee7 an to\u00e0n cho website hay kh\u00f4ng? B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 kh\u00e1i ni\u1ec7m DV SSL, c\u01a1 ch\u1ebf x\u00e1c minh, c\u0169ng nh\u01b0 tr\u01b0\u1eddng h\u1ee3p n\u00e0o n\u00ean s\u1eed d\u1ee5ng lo\u1ea1i ch\u1ee9ng ch\u1ec9 SSL n\u00e0y.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"SSL-la-gi\"><\/span>SSL l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Tr\u01b0\u1edbc khi \u0111i s\u00e2u v\u00e0o <strong>DV SSL l\u00e0 g\u00ec<\/strong>, b\u1ea1n c\u1ea7n n\u1eafm r\u00f5 kh\u00e1i ni\u1ec7m <strong>SSL<\/strong>. SSL (Secure Sockets Layer) l\u00e0 m\u1ed9t <strong>ti\u00eau chu\u1ea9n b\u1ea3o m\u1eadt c\u00f4ng ngh\u1ec7 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i tr\u00ean to\u00e0n c\u1ea7u<\/strong>, hi\u1ec7n \u0111ang \u0111\u01b0\u1ee3c h\u00e0ng tri\u1ec7u website \u00e1p d\u1ee5ng trong c\u00e1c ho\u1ea1t \u0111\u1ed9ng v\u00e0 giao d\u1ecbch tr\u1ef1c tuy\u1ebfn.<\/p>\n<p>SSL c\u00f3 nhi\u1ec7m v\u1ee5 <strong>thi\u1ebft l\u1eadp m\u1ed9t k\u1ebft n\u1ed1i an to\u00e0n gi\u1eefa tr\u00ecnh duy\u1ec7t c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 m\u00e1y ch\u1ee7 web<\/strong>. Nh\u1edd c\u01a1 ch\u1ebf n\u00e0y, to\u00e0n b\u1ed9 d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n t\u1ea3i gi\u1eefa hai b\u00ean \u0111\u1ec1u \u0111\u01b0\u1ee3c <strong>m\u00e3 h\u00f3a<\/strong>, gi\u00fap ng\u0103n ch\u1eb7n nguy c\u01a1 b\u1ecb \u0111\u00e1nh c\u1eafp ho\u1eb7c can thi\u1ec7p tr\u00e1i ph\u00e9p, t\u1eeb \u0111\u00f3 \u0111\u1ea3m b\u1ea3o m\u1ee9c \u0111\u1ed9 b\u1ea3o m\u1eadt cao cho website.<\/p>\n<p>Ch\u1ee9ng ch\u1ec9 SSL <strong>ch\u1ec9 \u0111\u01b0\u1ee3c c\u1ea5p b\u1edfi c\u00e1c t\u1ed5 ch\u1ee9c ch\u1ee9ng th\u1ef1c (Certificate Authority \u2013 CA) uy t\u00edn tr\u00ean th\u1ebf gi\u1edbi<\/strong>. Tr\u01b0\u1edbc khi ph\u00e1t h\u00e0nh ch\u1ee9ng ch\u1ec9, c\u00e1c CA n\u00e0y ph\u1ea3i th\u1ef1c hi\u1ec7n <strong>quy tr\u00ecnh x\u00e1c minh th\u00f4ng tin c\u1ee7a ch\u1ee7 th\u1ec3 \u0111\u0103ng k\u00fd m\u1ed9t c\u00e1ch ch\u1eb7t ch\u1ebd<\/strong>, nh\u1eb1m \u0111\u1ea3m b\u1ea3o t\u00ednh h\u1ee3p l\u1ec7 v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a ch\u1ee9ng ch\u1ec9 SSL.<\/p>\n<p>Hi\u1ec7n nay, SSL \u0111\u01b0\u1ee3c ph\u00e2n th\u00e0nh <strong>3 lo\u1ea1i ch\u00ednh<\/strong>, d\u1ef1a tr\u00ean m\u1ee9c \u0111\u1ed9 x\u00e1c th\u1ef1c th\u00f4ng tin c\u1ee7a website:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"DV-SSL\"><\/span>DV SSL<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>DV SSL (Domain Validated SSL) l\u00e0 <strong>m\u1ee9c x\u00e1c th\u1ef1c c\u01a1 b\u1ea3n nh\u1ea5t<\/strong>. Quy tr\u00ecnh c\u1ea5p ch\u1ee9ng ch\u1ec9 di\u1ec5n ra nhanh ch\u00f3ng v\u00e0 \u0111\u01a1n gi\u1ea3n, th\u01b0\u1eddng ch\u1ec9 m\u1ea5t t\u1eeb <strong>v\u00e0i ph\u00fat \u0111\u1ebfn v\u00e0i gi\u1edd<\/strong>. Lo\u1ea1i SSL n\u00e0y cung c\u1ea5p kh\u1ea3 n\u0103ng <strong>m\u00e3 h\u00f3a d\u1eef li\u1ec7u<\/strong>, nh\u01b0ng <strong>kh\u00f4ng x\u00e1c th\u1ef1c th\u00f4ng tin v\u1ec1 t\u1ed5 ch\u1ee9c ho\u1eb7c doanh nghi\u1ec7p s\u1edf h\u1eefu website<\/strong>.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"OV-SSL\"><\/span>OV SSL<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>OV SSL (Organization Validated SSL) l\u00e0 <strong>c\u1ea5p \u0111\u1ed9 x\u00e1c th\u1ef1c cao h\u01a1n so v\u1edbi DV SSL<\/strong>. V\u1edbi lo\u1ea1i ch\u1ee9ng ch\u1ec9 n\u00e0y, CA kh\u00f4ng ch\u1ec9 x\u00e1c minh quy\u1ec1n s\u1edf h\u1eefu t\u00ean mi\u1ec1n m\u00e0 c\u00f2n <strong>ki\u1ec3m tra c\u00e1c gi\u1ea5y t\u1edd kinh doanh \u0111\u00e3 \u0111\u0103ng k\u00fd v\u00e0 c\u00e1c t\u00e0i li\u1ec7u ph\u00e1p l\u00fd li\u00ean quan \u0111\u1ebfn doanh nghi\u1ec7p<\/strong>.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"EV-SSL\"><\/span>EV SSL<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>EV SSL (Extended Validation SSL) l\u00e0 <strong>m\u1ee9c x\u00e1c th\u1ef1c cao nh\u1ea5t<\/strong>. Ch\u1ee9ng ch\u1ec9 n\u00e0y cho ph\u00e9p <strong>hi\u1ec3n th\u1ecb t\u00ean doanh nghi\u1ec7p trong th\u00f4ng tin ch\u1ee9ng ch\u1ec9<\/strong>, v\u00e0 ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 nh\u1ea5p v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng \u1ed5 kh\u00f3a \u0111\u1ec3 ki\u1ec3m tra t\u00ean c\u00f4ng ty \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c minh.<\/p>\n<p>Ngo\u00e0i ra, CA s\u1ebd <strong>th\u1ef1c hi\u1ec7n quy tr\u00ecnh x\u00e1c minh doanh nghi\u1ec7p r\u1ea5t nghi\u00eam ng\u1eb7t<\/strong>, bao g\u1ed3m vi\u1ec7c ki\u1ec3m tra h\u1ed3 s\u01a1 \u0111\u0103ng k\u00fd kinh doanh v\u00e0 \u0111\u1ed1i chi\u1ebfu v\u1edbi c\u00e1c danh b\u1ea1 doanh nghi\u1ec7p b\u00ean th\u1ee9 ba khi c\u1ea7n thi\u1ebft.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Chung-chi-DV-SSL-la-gi\"><\/span>Ch\u1ee9ng ch\u1ec9 DV SSL l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Ch\u1ee9ng ch\u1ec9 DV SSL (Domain Validated SSL)<\/strong> l\u00e0 lo\u1ea1i ch\u1ee9ng ch\u1ec9 b\u1ea3o m\u1eadt SSL c\u01a1 b\u1ea3n, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 <strong>x\u00e1c minh quy\u1ec1n s\u1edf h\u1eefu t\u00ean mi\u1ec1n<\/strong> v\u00e0 <strong>m\u00e3 h\u00f3a d\u1eef li\u1ec7u<\/strong> trao \u0111\u1ed5i gi\u1eefa tr\u00ecnh duy\u1ec7t c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 m\u00e1y ch\u1ee7 website. Khi m\u1ed9t website c\u00e0i \u0111\u1eb7t DV SSL th\u00e0nh c\u00f4ng, \u0111\u1ecba ch\u1ec9 truy c\u1eadp s\u1ebd chuy\u1ec3n t\u1eeb <strong>HTTP sang HTTPS<\/strong> v\u00e0 hi\u1ec3n th\u1ecb bi\u1ec3u t\u01b0\u1ee3ng <strong>\u1ed5 kh\u00f3a<\/strong> tr\u00ean thanh tr\u00ecnh duy\u1ec7t.<\/p>\n<p>\u0110i\u1ec3m \u0111\u1eb7c tr\u01b0ng c\u1ee7a DV SSL l\u00e0 <strong>ch\u1ec9 x\u00e1c th\u1ef1c t\u00ean mi\u1ec1n<\/strong>, kh\u00f4ng ki\u1ec3m tra hay x\u00e1c minh th\u00f4ng tin doanh nghi\u1ec7p ho\u1eb7c c\u00e1 nh\u00e2n s\u1edf h\u1eefu website. Nh\u1edd quy tr\u00ecnh x\u00e1c minh \u0111\u01a1n gi\u1ea3n, DV SSL c\u00f3 <strong>th\u1eddi gian c\u1ea5p nhanh<\/strong>, chi ph\u00ed th\u1ea5p (th\u1eadm ch\u00ed mi\u1ec5n ph\u00ed v\u1edbi m\u1ed9t s\u1ed1 nh\u00e0 cung c\u1ea5p) v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho <strong>website c\u00e1 nh\u00e2n, blog, landing page ho\u1eb7c website m\u1edbi kh\u1edfi t\u1ea1o<\/strong> kh\u00f4ng x\u1eed l\u00fd d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-39065\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Chung-chi-DV-SSL-la-gi.jpg\" alt=\"Ch\u1ee9ng ch\u1ec9 DV SSL l\u00e0 g\u00ec\" width=\"800\" height=\"500\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Chung-chi-DV-SSL-la-gi.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Chung-chi-DV-SSL-la-gi-300x188.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Chung-chi-DV-SSL-la-gi-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>S\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a <strong>domain validated ssl<\/strong> \u0111\u00f3ng vai tr\u00f2 thi\u1ebft y\u1ebfu trong vi\u1ec7c thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i an to\u00e0n HTTPS. Khi m\u1ed9t website \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t lo\u1ea1i h\u00ecnh n\u00e0y, d\u1eef li\u1ec7u di chuy\u1ec3n gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 m\u00e1y ch\u1ee7 s\u1ebd \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a, ng\u0103n ch\u1eb7n c\u00e1c h\u00e0nh vi \u0111\u00e1nh c\u1eafp th\u00f4ng tin tr\u00ean \u0111\u01b0\u1eddng truy\u1ec1n. \u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a ch\u1ee9ng ch\u1ec9 DV SSL l\u00e0 s\u1ef1 \u0111\u01a1n gi\u1ea3n v\u00e0 t\u1ed1c \u0111\u1ed9, gi\u00fap b\u1ea5t k\u1ef3 ai c\u0169ng c\u00f3 th\u1ec3 s\u1edf h\u1eefu &#8221; bi\u1ec3u t\u01b0\u1ee3ng \u1ed5 kh\u00f3a&#8221; ch\u1ec9 trong v\u00e0i ph\u00fat.<\/p>\n<p>V\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt, <strong>dv ssl ngh\u0129a l\u00e0 g\u00ec<\/strong> \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng? \u0110i\u1ec1u n\u00e0y \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c to\u00e0n b\u1ed9 th\u00f4ng tin nh\u01b0 m\u1eadt kh\u1ea9u, th\u00f4ng tin c\u00e1 nh\u00e2n ho\u1eb7c l\u1ecbch s\u1eed truy c\u1eadp s\u1ebd kh\u00f4ng b\u1ecb b\u00ean th\u1ee9 ba \u0111\u1ecdc tr\u1ed9m.<\/p>\n<p>Tuy nhi\u00ean, ng\u01b0\u1eddi d\u00f9ng c\u1ea7n hi\u1ec3u r\u1eb1ng <strong>ssl dv<\/strong>\u00a0v\u1ec1 m\u1eb7t \u0111\u1ecbnh danh: ch\u1ee9ng ch\u1ec9 n\u00e0y ch\u1ec9 kh\u1eb3ng \u0111\u1ecbnh b\u1ea1n \u0111ang k\u1ebft n\u1ed1i \u0111\u00fang \u0111\u1ebfn \u0111\u1ecba ch\u1ec9 t\u00ean mi\u1ec1n mong mu\u1ed1n, nh\u01b0ng kh\u00f4ng \u0111\u1ea3m b\u1ea3o ai l\u00e0 ng\u01b0\u1eddi th\u1ef1c s\u1ef1 s\u1edf h\u1eefu t\u00ean mi\u1ec1n \u0111\u00f3 v\u1ec1 m\u1eb7t ph\u00e1p l\u00fd.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"DV-SSL-xac-minh-dieu-gi\"><\/span>DV SSL x\u00e1c minh \u0111i\u1ec1u g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Qu\u00e1 tr\u00ecnh c\u1ea5p ph\u00e1t <strong>domain validated ssl<\/strong> t\u1eadp trung ho\u00e0n to\u00e0n v\u00e0o vi\u1ec7c ki\u1ec3m so\u00e1t k\u1ef9 thu\u1eadt. Nh\u00e0 cung c\u1ea5p ch\u1ee9ng ch\u1ec9 s\u1ebd s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng th\u1ee9c t\u1ef1 \u0111\u1ed9ng \u0111\u1ec3 g\u1eedi y\u00eau c\u1ea7u x\u00e1c th\u1ef1c \u0111\u1ebfn ng\u01b0\u1eddi \u0111\u0103ng k\u00fd. N\u1ebfu ng\u01b0\u1eddi \u0111\u0103ng k\u00fd c\u00f3 th\u1ec3 ho\u00e0n th\u00e0nh vi\u1ec7c thay \u0111\u1ed5i b\u1ea3n ghi DNS, ph\u1ea3n h\u1ed3i email qu\u1ea3n tr\u1ecb ho\u1eb7c t\u1ea3i l\u00ean m\u1ed9t t\u1ec7p tin nh\u1ea5t \u0111\u1ecbnh v\u00e0o m\u00e1y ch\u1ee7, h\u1ec7 th\u1ed1ng s\u1ebd m\u1eb7c \u0111\u1ecbnh quy\u1ec1n s\u1edf h\u1eefu h\u1ee3p l\u1ec7.<\/p>\n<p>Vi\u1ec7c <strong>x\u00e1c minh domain ssl<\/strong> ho\u00e0n to\u00e0n kh\u00f4ng can thi\u1ec7p v\u00e0o c\u00e1c gi\u1ea5y t\u1edd kinh doanh, m\u00e3 s\u1ed1 thu\u1ebf hay \u0111\u1ecba ch\u1ec9 v\u0103n ph\u00f2ng c\u1ee7a doanh nghi\u1ec7p. \u0110\u00e2y ch\u00ednh l\u00e0 \u0111i\u1ec3m kh\u00e1c bi\u1ec7t l\u1edbn nh\u1ea5t khi\u1ebfn lo\u1ea1i ch\u1ee9ng ch\u1ec9 n\u00e0y tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn cho c\u00e1c m\u1ee5c \u0111\u00edch c\u00e1 nh\u00e2n ho\u1eb7c th\u1eed nghi\u1ec7m k\u1ef9 thu\u1eadt. Ng\u01b0\u1eddi \u0111\u0103ng k\u00fd ch\u1ec9 c\u1ea7n c\u00f3 quy\u1ec1n truy c\u1eadp v\u00e0o b\u1ea3ng qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n ho\u1eb7c hosting l\u00e0 c\u00f3 th\u1ec3 ho\u00e0n t\u1ea5t quy tr\u00ecnh.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Uu-va-nhuoc-diem-cua-chung-chi-DV-SSL\"><\/span>\u01afu v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a ch\u1ee9ng ch\u1ec9 DV SSL<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>M\u1ecdi c\u00f4ng ngh\u1ec7 \u0111\u1ec1u c\u00f3 t\u00ednh hai m\u1eb7t, v\u00e0 vi\u1ec7c s\u1eed d\u1ee5ng <strong>SSL DV cho c\u00e1 nh\u00e2n<\/strong> c\u0169ng kh\u00f4ng ngo\u1ea1i l\u1ec7. Hi\u1ec3u r\u00f5 c\u00e1c m\u1eb7t l\u1ee3i v\u00e0 h\u1ea1i s\u1ebd gi\u00fap qu\u1ea3n tr\u1ecb vi\u00ean c\u00f3 quy\u1ebft \u0111\u1ecbnh \u0111\u00fang \u0111\u1eafn cho h\u1ea1 t\u1ea7ng c\u1ee7a m\u00ecnh.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Uu-diem-noi-bat\"><\/span>\u01afu \u0111i\u1ec3m n\u1ed5i b\u1eadt<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol>\n<li><strong>T\u1ed1c \u0111\u1ed9 c\u1ea5p ph\u00e1t v\u01b0\u1ee3t tr\u1ed9i:<\/strong> Trong khi c\u00e1c lo\u1ea1i ch\u1ee9ng ch\u1ec9 cao c\u1ea5p c\u1ea7n nhi\u1ec1u ng\u00e0y \u0111\u1ec3 th\u1ea9m \u0111\u1ecbnh, DV SSL th\u01b0\u1eddng \u0111\u01b0\u1ee3c c\u1ea5p trong v\u00f2ng 3 \u0111\u1ebfn 5 ph\u00fat. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch cho c\u00e1c d\u1ef1 \u00e1n c\u1ea7n tri\u1ec3n khai ngay l\u1eadp t\u1ee9c.<\/li>\n<li><strong>Chi ph\u00ed \u0111\u1ea7u t\u01b0 th\u1ea5p:<\/strong> Do quy tr\u00ecnh x\u00e1c th\u1ef1c \u0111\u01b0\u1ee3c t\u1ef1 \u0111\u1ed9ng h\u00f3a, chi ph\u00ed \u0111\u1ec3 duy tr\u00ec lo\u1ea1i ch\u1ee9ng ch\u1ec9 n\u00e0y r\u1ea5t r\u1ebb, th\u1eadm ch\u00ed c\u00f3 nh\u1eefng phi\u00ean b\u1ea3n mi\u1ec5n ph\u00ed. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m b\u1edbt g\u00e1nh n\u1eb7ng t\u00e0i ch\u00ednh cho c\u00e1c startup v\u00e0 blog c\u00e1 nh\u00e2n.<\/li>\n<li><strong>Quy tr\u00ecnh \u0111\u01a1n gi\u1ea3n:<\/strong> Kh\u00f4ng c\u1ea7n c\u00e1c th\u1ee7 t\u1ee5c gi\u1ea5y t\u1edd ph\u1ee9c t\u1ea1p hay c\u00f4ng ch\u1ee9ng d\u1ecbch thu\u1eadt. M\u1ecdi thao t\u00e1c \u0111\u1ec1u th\u1ef1c hi\u1ec7n tr\u1ef1c tuy\u1ebfn th\u00f4ng qua giao di\u1ec7n k\u1ef9 thu\u1eadt.<\/li>\n<li><strong>T\u00ednh t\u01b0\u01a1ng th\u00edch cao:<\/strong> H\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i <strong>ch\u1ee9ng ch\u1ec9 dv ssl<\/strong>\u00a0hi\u1ec7n nay \u0111\u1ec1u \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi 99,9% c\u00e1c tr\u00ecnh duy\u1ec7t web v\u00e0 thi\u1ebft b\u1ecb di \u0111\u1ed9ng ph\u1ed5 bi\u1ebfn.<\/li>\n<\/ol>\n<h3><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-39068\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Uu-va-nhuoc-diem-cua-chung-chi-DV-SSL.jpg\" alt=\"\u01afu v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a ch\u1ee9ng ch\u1ec9 DV SSL\" width=\"800\" height=\"500\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Uu-va-nhuoc-diem-cua-chung-chi-DV-SSL.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Uu-va-nhuoc-diem-cua-chung-chi-DV-SSL-300x188.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Uu-va-nhuoc-diem-cua-chung-chi-DV-SSL-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/h3>\n<h3><span class=\"ez-toc-section\" id=\"Nhuoc-diem-can-luu-y\"><\/span>Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ea7n l\u01b0u \u00fd<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol>\n<li><strong>\u0110\u1ed9 tin c\u1eady \u0111\u1ecbnh danh th\u1ea5p:<\/strong> Tr\u00ecnh duy\u1ec7t ch\u1ec9 hi\u1ec3n th\u1ecb bi\u1ec3u t\u01b0\u1ee3ng \u1ed5 kh\u00f3a m\u00e0 kh\u00f4ng k\u00e8m theo t\u00ean doanh nghi\u1ec7p khi nh\u1ea5p v\u00e0o xem chi ti\u1ebft. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 khi\u1ebfn ng\u01b0\u1eddi d\u00f9ng ph\u00e2n v\u00e2n \u0111\u1ed1i v\u1edbi c\u00e1c trang web giao d\u1ecbch t\u00e0i ch\u00ednh l\u1edbn.<\/li>\n<li><strong>R\u1ee7i ro t\u1eeb ph\u00eda l\u1eeba \u0111\u1ea3o:<\/strong> Do vi\u1ec7c \u0111\u0103ng k\u00fd qu\u00e1 d\u1ec5 d\u00e0ng, t\u1ed9i ph\u1ea1m m\u1ea1ng th\u01b0\u1eddng s\u1eed d\u1ee5ng ch\u1ee9ng ch\u1ec9 n\u00e0y cho c\u00e1c trang web gi\u1ea3 m\u1ea1o (phishing) \u0111\u1ec3 \u0111\u00e1nh l\u1eeba ng\u01b0\u1eddi d\u00f9ng r\u1eb1ng trang web \u0111\u00f3 l\u00e0 &#8220;an to\u00e0n&#8221;.<\/li>\n<li><strong>M\u1ee9c b\u1ea3o hi\u1ec3m th\u1ea5p:<\/strong> So v\u1edbi c\u00e1c lo\u1ea1i ch\u1ee9ng ch\u1ec9 cao c\u1ea5p, m\u1ee9c b\u1ed3i th\u01b0\u1eddng t\u00e0i ch\u00ednh t\u1eeb nh\u00e0 ph\u00e1t h\u00e0nh khi c\u00f3 s\u1ef1 c\u1ed1 m\u00e3 h\u00f3a \u0111\u1ed1i v\u1edbi DV SSL th\u01b0\u1eddng \u1edf m\u1ee9c t\u1ed1i thi\u1ec3u.<\/li>\n<\/ol>\n<h2><span class=\"ez-toc-section\" id=\"So-sanh-DV-SSL-voi-OV-SSL-va-EV-SSL\"><\/span>So s\u00e1nh DV SSL v\u1edbi OV SSL v\u00e0 EV SSL<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1eefa c\u00e1c c\u1ea5p \u0111\u1ed9 x\u00e1c th\u1ef1c ph\u1ee5 thu\u1ed9c v\u00e0o quy m\u00f4 v\u00e0 m\u1ee5c \u0111\u00edch c\u1ee7a website. <strong>InterData<\/strong> t\u1ed5ng h\u1ee3p b\u1ea3ng so s\u00e1nh d\u1ef1a tr\u00ean c\u00e1c ti\u00eau ch\u00ed k\u1ef9 thu\u1eadt ph\u1ed5 bi\u1ebfn \u0111\u1ec3 b\u1ea1n c\u00f3 c\u00e1i nh\u00ecn kh\u00e1ch quan:<\/p>\n<table style=\"width: 100%; border-collapse: collapse; font-family: Arial, Helvetica, sans-serif; font-size: 14px; box-shadow: 0 4px 12px rgba(0,0,0,0.08);\">\n<thead>\n<tr style=\"background: linear-gradient(90deg, #0C40F4, #077FFA, #0497FC); color: #ffffff;\">\n<th style=\"padding: 14px; border: 1px solid #e5e7eb; text-align: center;\">Ti\u00eau ch\u00ed<\/th>\n<th style=\"padding: 14px; border: 1px solid #e5e7eb; text-align: center;\">DV SSL (Domain Validated)<\/th>\n<th style=\"padding: 14px; border: 1px solid #e5e7eb; text-align: center;\">OV SSL (Organization Validated)<\/th>\n<th style=\"padding: 14px; border: 1px solid #e5e7eb; text-align: center;\">EV SSL (Extended Validation)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background-color: #f9fbff;\">\n<td style=\"padding: 12px; border: 1px solid #e5e7eb; font-weight: 600;\">\u0110\u1ed1i t\u01b0\u1ee3ng x\u00e1c th\u1ef1c<\/td>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb;\">Ch\u1ec9 x\u00e1c minh quy\u1ec1n s\u1edf h\u1eefu t\u00ean mi\u1ec1n<\/td>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb;\">X\u00e1c minh t\u00ean mi\u1ec1n + Ph\u00e1p nh\u00e2n doanh nghi\u1ec7p<\/td>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb;\">X\u00e1c minh nghi\u00eam ng\u1eb7t nh\u1ea5t v\u1ec1 doanh nghi\u1ec7p<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb; font-weight: 600;\">Th\u1eddi gian c\u1ea5p<\/td>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb;\">3 &#8211; 5 ph\u00fat<\/td>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb;\">1 &#8211; 3 ng\u00e0y l\u00e0m vi\u1ec7c<\/td>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb;\">3 &#8211; 7 ng\u00e0y l\u00e0m vi\u1ec7c<\/td>\n<\/tr>\n<tr style=\"background-color: #f9fbff;\">\n<td style=\"padding: 12px; border: 1px solid #e5e7eb; font-weight: 600;\">Chi ph\u00ed<\/td>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb;\">Th\u1ea5p (R\u1ebb nh\u1ea5t)<\/td>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb;\">Trung b\u00ecnh<\/td>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb;\">Cao<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb; font-weight: 600;\">\u0110\u1ed9 tin c\u1eady<\/td>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb;\">C\u01a1 b\u1ea3n<\/td>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb;\">Cao<\/td>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb;\">R\u1ea5t cao<\/td>\n<\/tr>\n<tr style=\"background-color: #f9fbff;\">\n<td style=\"padding: 12px; border: 1px solid #e5e7eb; font-weight: 600;\">Hi\u1ec3n th\u1ecb tr\u00ecnh duy\u1ec7t<\/td>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb;\">Bi\u1ec3u t\u01b0\u1ee3ng \u1ed5 kh\u00f3a<\/td>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb;\">Bi\u1ec3u t\u01b0\u1ee3ng \u1ed5 kh\u00f3a + T\u00ean c\u00f4ng ty trong chi ti\u1ebft<\/td>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb;\">Bi\u1ec3u t\u01b0\u1ee3ng \u1ed5 kh\u00f3a + T\u00ean c\u00f4ng ty n\u1ed5i b\u1eadt<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb; font-weight: 600;\">M\u1ee9c b\u1ea3o hi\u1ec3m<\/td>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb;\">Th\u1ea5p ($10,000 &#8211; $500,000 t\u00f9y nh\u00e0 ph\u00e1t h\u00e0nh)<\/td>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb;\">Trung b\u00ecnh ($50,000 &#8211; $1,250,000)<\/td>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb;\">R\u1ea5t cao (L\u00ean t\u1edbi $1,750,000+)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>D\u1ef1a tr\u00ean b\u1ea3ng so s\u00e1nh tr\u00ean, s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u00e1c lo\u1ea1i ch\u1ee9ng ch\u1ec9 SSL n\u1eb1m \u1edf quy tr\u00ecnh th\u1ea9m \u0111\u1ecbnh danh t\u00ednh. N\u1ebfu dv ssl kh\u00e1c g\u00ec ev ssl v\u1ec1 m\u1eb7t m\u00e3 h\u00f3a th\u00ec c\u00e2u tr\u1ea3 l\u1eddi l\u00e0 ch\u00fang t\u01b0\u01a1ng \u0111\u01b0\u01a1ng nhau, nh\u01b0ng v\u1ec1 m\u1eb7t x\u00e2y d\u1ef1ng ni\u1ec1m tin th\u01b0\u01a1ng hi\u1ec7u, EV SSL v\u01b0\u1ee3t tr\u1ed9i ho\u00e0n to\u00e0n.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-39071\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/So-sanh-DV-SSL-voi-OV-SSL-va-EV-SSL.webp\" alt=\"So s\u00e1nh DV SSL v\u1edbi OV SSL v\u00e0 EV SSL\" width=\"525\" height=\"372\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/So-sanh-DV-SSL-voi-OV-SSL-va-EV-SSL.webp 525w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/So-sanh-DV-SSL-voi-OV-SSL-va-EV-SSL-300x213.webp 300w\" sizes=\"auto, (max-width: 525px) 100vw, 525px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"DV-SSL-co-du-an-toan-cho-website-khong\"><\/span>DV SSL c\u00f3 \u0111\u1ee7 an to\u00e0n cho website kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>M\u1ed9t quan ni\u1ec7m sai l\u1ea7m ph\u1ed5 bi\u1ebfn l\u00e0 ch\u1ee9ng ch\u1ec9 r\u1ebb ti\u1ec1n th\u00ec m\u00e3 h\u00f3a y\u1ebfu h\u01a1n. Th\u1ef1c t\u1ebf, <strong>dv ssl c\u00f3 an to\u00e0n kh\u00f4ng<\/strong> ph\u1ee5 thu\u1ed9c v\u00e0o thu\u1eadt to\u00e1n m\u00e3 h\u00f3a \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, th\u01b0\u1eddng l\u00e0 RSA 2048-bit ho\u1eb7c ECC, k\u1ebft h\u1ee3p v\u1edbi c\u00e1c giao th\u1ee9c TLS 1.2 ho\u1eb7c 1.3 hi\u1ec7n \u0111\u1ea1i nh\u1ea5t. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng d\u1eef li\u1ec7u truy\u1ec1n \u0111i gi\u1eefa kh\u00e1ch h\u00e0ng v\u00e0 website \u0111\u01b0\u1ee3c b\u1ea3o m\u1eadt cao tr\u01b0\u1edbc c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng nghe l\u00e9n.<\/p>\n<p>H\u1ea1n ch\u1ebf duy nh\u1ea5t khi\u1ebfn ng\u01b0\u1eddi ta \u0111\u1eb7t c\u00e2u h\u1ecfi <strong>dv ssl c\u00f3 \u0111\u1ee7 d\u00f9ng kh\u00f4ng<\/strong> n\u1eb1m \u1edf kh\u00eda c\u1ea1nh x\u00e1c minh danh t\u00ednh. N\u1ebfu trang web c\u1ee7a b\u1ea1n l\u00e0 m\u1ed9t c\u1eeda h\u00e0ng th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed l\u1edbn ho\u1eb7c ng\u00e2n h\u00e0ng tr\u1ef1c tuy\u1ebfn, DV SSL s\u1ebd kh\u00f4ng \u0111\u1ee7 \u0111\u1ec3 t\u1ea1o l\u1eadp s\u1ef1 tin t\u01b0\u1edfng tuy\u1ec7t \u0111\u1ed1i. Tuy nhi\u00ean, \u0111\u1ed1i v\u1edbi vi\u1ec7c b\u1ea3o v\u1ec7 th\u00f4ng tin \u0111\u0103ng nh\u1eadp ho\u1eb7c d\u1eef li\u1ec7u form li\u00ean h\u1ec7 c\u01a1 b\u1ea3n, \u0111\u00e2y l\u00e0 gi\u1ea3i ph\u00e1p ho\u00e0n to\u00e0n tin c\u1eady.<\/p>\n<p>Theo c\u00e1c b\u00e1o c\u00e1o t\u1eeb c\u1ed9ng \u0111\u1ed3ng b\u1ea3o m\u1eadt qu\u1ed1c t\u1ebf, h\u01a1n 70% ch\u1ee9ng ch\u1ec9 \u0111\u01b0\u1ee3c c\u1ea5p ph\u00e1t tr\u00ean to\u00e0n c\u1ea7u l\u00e0 lo\u1ea1i x\u00e1c th\u1ef1c t\u00ean mi\u1ec1n. \u0110i\u1ec1u n\u00e0y cho th\u1ea5y t\u00ednh th\u1ef1c d\u1ee5ng v\u00e0 s\u1ef1 ch\u1ea5p nh\u1eadn r\u1ed9ng r\u00e3i c\u1ee7a c\u00f4ng ngh\u1ec7 n\u00e0y trong vi\u1ec7c ph\u1ed5 c\u1eadp HTTPS cho to\u00e0n b\u1ed9 kh\u00f4ng gian m\u1ea1ng.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Nhung-website-su-dung-DV-SSL\"><\/span>Nh\u1eefng website s\u1eed d\u1ee5ng DV SSL<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Vi\u1ec7c x\u00e1c \u0111\u1ecbnh <strong>dv ssl d\u00f9ng cho website n\u00e0o<\/strong> gi\u00fap t\u1ed1i \u01b0u h\u00f3a ngu\u1ed3n l\u1ef1c cho qu\u1ea3n tr\u1ecb vi\u00ean. Lo\u1ea1i ch\u1ee9ng ch\u1ec9 n\u00e0y l\u00e0 l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho c\u00e1c nh\u00f3m \u0111\u1ed1i t\u01b0\u1ee3ng sau:<\/p>\n<ul>\n<li><strong>Blog c\u00e1 nh\u00e2n v\u00e0 trang tin t\u1ee9c:<\/strong> Nh\u1eefng n\u01a1i kh\u00f4ng y\u00eau c\u1ea7u ng\u01b0\u1eddi d\u00f9ng nh\u1eadp th\u00f4ng tin thanh to\u00e1n nh\u1ea1y c\u1ea3m.<\/li>\n<li><strong>Website gi\u1edbi thi\u1ec7u doanh nghi\u1ec7p nh\u1ecf:<\/strong> Ch\u1ec9 cung c\u1ea5p th\u00f4ng tin li\u00ean h\u1ec7 v\u00e0 h\u00ecnh \u1ea3nh s\u1ea3n ph\u1ea9m.<\/li>\n<li><strong>Landing page b\u00e1n h\u00e0ng:<\/strong> D\u00f9ng cho c\u00e1c chi\u1ebfn d\u1ecbch qu\u1ea3ng c\u00e1o ng\u1eafn h\u1ea1n, c\u1ea7n k\u00edch ho\u1ea1t nhanh \u0111\u1ec3 t\u0103ng t\u1ef7 l\u1ec7 chuy\u1ec3n \u0111\u1ed5i.<\/li>\n<li><strong>Website m\u1edbi kh\u1edfi t\u1ea1o:<\/strong> Khi d\u1ef1 \u00e1n \u0111ang trong giai \u0111o\u1ea1n ph\u00e1t tri\u1ec3n v\u00e0 ch\u01b0a c\u00f3 t\u01b0 c\u00e1ch ph\u00e1p nh\u00e2n ch\u00ednh th\u1ee9c.<\/li>\n<\/ul>\n<p>C\u00e2u h\u1ecfi <strong>website n\u00e0o n\u00ean d\u00f9ng dv ssl<\/strong> th\u01b0\u1eddng \u0111\u01b0\u1ee3c tr\u1ea3 l\u1eddi b\u1eb1ng s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa nhu c\u1ea7u b\u1ea3o m\u1eadt v\u00e0 kh\u1ea3 n\u0103ng t\u00e0i ch\u00ednh. \u0110\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u, vi\u1ec7c \u01b0u ti\u00ean thi\u1ebft l\u1eadp HTTPS th\u00f4ng qua DV SSL l\u00e0 b\u01b0\u1edbc \u0111i th\u00f4ng minh h\u01a1n vi\u1ec7c \u0111\u1ec3 website \u1edf tr\u1ea1ng th\u00e1i kh\u00f4ng b\u1ea3o m\u1eadt.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-39070\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Website-su-dung-DV-SSL.jpg\" alt=\"Website s\u1eed d\u1ee5ng DV SSL\" width=\"800\" height=\"500\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Website-su-dung-DV-SSL.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Website-su-dung-DV-SSL-300x188.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Website-su-dung-DV-SSL-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"DV-SSL-co-anh-huong-den-SEO-Google-khong\"><\/span>DV SSL c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn SEO Google kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>T\u1eeb n\u0103m 2014, Google \u0111\u00e3 ch\u00ednh th\u1ee9c c\u00f4ng b\u1ed1 HTTPS l\u00e0 m\u1ed9t t\u00edn hi\u1ec7u x\u1ebfp h\u1ea1ng trong thu\u1eadt to\u00e1n t\u00ecm ki\u1ebfm c\u1ee7a m\u00ecnh. Vi\u1ec7c c\u00e0i \u0111\u1eb7t <strong>https dv ssl<\/strong> l\u00e0 \u0111i\u1ec1u ki\u1ec7n ti\u00ean quy\u1ebft n\u1ebfu b\u1ea1n mu\u1ed1n website c\u00f3 c\u01a1 h\u1ed9i xu\u1ea5t hi\u1ec7n \u1edf nh\u1eefng v\u1ecb tr\u00ed \u0111\u1ea7u tr\u00ean k\u1ebft qu\u1ea3 t\u00ecm ki\u1ebfm.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-39069\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/DV-SSL-co-anh-huong-den-SEO-Google.jpg\" alt=\"DV SSL c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn SEO Google\" width=\"800\" height=\"500\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/DV-SSL-co-anh-huong-den-SEO-Google.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/DV-SSL-co-anh-huong-den-SEO-Google-300x188.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/DV-SSL-co-anh-huong-den-SEO-Google-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>Nhi\u1ec1u ng\u01b0\u1eddi th\u1eafc m\u1eafc <strong>dv ssl c\u00f3 \u1ea3nh h\u01b0\u1edfng seo kh\u00f4ng<\/strong> so v\u1edbi c\u00e1c lo\u1ea1i \u0111\u1eaft ti\u1ec1n h\u01a1n? C\u00e2u tr\u1ea3 l\u1eddi t\u1eeb c\u00e1c chuy\u00ean gia t\u1ea1i Google l\u00e0 h\u1ecd kh\u00f4ng ph\u00e2n bi\u1ec7t lo\u1ea1i ch\u1ee9ng ch\u1ec9 (DV, OV hay EV) khi x\u00e9t ti\u00eau ch\u00ed b\u1ea3o m\u1eadt. Mi\u1ec5n l\u00e0 website c\u1ee7a b\u1ea1n c\u00f3 ch\u1ee9ng ch\u1ec9 h\u1ee3p l\u1ec7, \u0111\u01b0\u1ee3c c\u1ea5p b\u1edfi c\u00e1c CA uy t\u00edn v\u00e0 kh\u00f4ng b\u1ecb l\u1ed7i tr\u00ecnh duy\u1ec7t, b\u1ea1n s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c \u0111i\u1ec3m c\u1ed9ng t\u1ed1i \u0111a v\u1ec1 t\u00edn hi\u1ec7u HTTPS.<\/p>\n<p>Tuy nhi\u00ean, c\u00f3 m\u1ed9t kh\u00eda c\u1ea1nh gi\u00e1n ti\u1ebfp l\u00e0 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng (User Experience). N\u1ebfu ng\u01b0\u1eddi d\u00f9ng tin t\u01b0\u1edfng website h\u01a1n th\u00f4ng qua c\u00e1c y\u1ebfu t\u1ed1 b\u1ea3o m\u1eadt, th\u1eddi gian \u1edf l\u1ea1i trang (Time on Page) s\u1ebd t\u0103ng l\u00ean, t\u1eeb \u0111\u00f3 c\u1ea3i thi\u1ec7n c\u00e1c ch\u1ec9 s\u1ed1 SEO m\u1ed9t c\u00e1ch b\u1ec1n v\u1eefng.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Truong-hop-nen-su-dung-chung-chi-DV-SSL\"><\/span>Tr\u01b0\u1eddng h\u1ee3p n\u00ean s\u1eed d\u1ee5ng ch\u1ee9ng ch\u1ec9 DV SSL<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>D\u1ef1a tr\u00ean kinh nghi\u1ec7m cung c\u1ea5p h\u1ea1 t\u1ea7ng t\u1ea1i <strong>InterData<\/strong>, ch\u00fang t\u00f4i khuy\u1ebfn ngh\u1ecb b\u1ea1n s\u1eed d\u1ee5ng ch\u1ee9ng ch\u1ec9 x\u00e1c th\u1ef1c t\u00ean mi\u1ec1n khi y\u1ebfu t\u1ed1 th\u1eddi gian v\u00e0 ng\u00e2n s\u00e1ch \u0111\u01b0\u1ee3c \u0111\u1eb7t l\u00ean h\u00e0ng \u0111\u1ea7u. Trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p tri\u1ec3n khai h\u1ec7 th\u1ed1ng n\u1ed9i b\u1ed9 ho\u1eb7c c\u00e1c trang web v\u1ec7 tinh cho chi\u1ebfn d\u1ecbch SEO, vi\u1ec7c s\u1eed d\u1ee5ng DV SSL gi\u00fap ti\u1ebft ki\u1ec7m \u0111\u00e1ng k\u1ec3 chi ph\u00ed v\u1eadn h\u00e0nh m\u00e0 v\u1eabn \u0111\u1ea3m b\u1ea3o t\u00ednh k\u1ef9 thu\u1eadt.<\/p>\n<p>S\u1ed1 li\u1ec7u th\u1ef1c t\u1ebf cho th\u1ea5y, c\u00e1c nh\u00e0 cung c\u1ea5p hosting th\u01b0\u1eddng t\u00edch h\u1ee3p s\u1eb5n lo\u1ea1i ch\u1ee9ng ch\u1ec9 n\u00e0y \u0111\u1ec3 h\u1ed7 tr\u1ee3 kh\u00e1ch h\u00e0ng. Vi\u1ec7c ch\u1ecdn <strong>n\u00ean d\u00f9ng dv ssl hay ov ssl<\/strong> ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c b\u1ea1n c\u00f3 c\u1ea7n hi\u1ec3n th\u1ecb t\u00ean c\u00f4ng ty \u0111\u1ec3 t\u0103ng uy t\u00edn th\u01b0\u01a1ng hi\u1ec7u hay kh\u00f4ng. N\u1ebfu c\u00e2u tr\u1ea3 l\u1eddi l\u00e0 kh\u00f4ng, DV SSL v\u1eabn l\u00e0 &#8220;v\u1ecb vua&#8221; v\u1ec1 t\u00ednh hi\u1ec7u qu\u1ea3.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cach-kiem-tra-website-da-cai-dat-DV-SSL-hay-chua\"><\/span>C\u00e1ch ki\u1ec3m tra website \u0111\u00e3 c\u00e0i \u0111\u1eb7t DV SSL hay ch\u01b0a<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>B\u1ea1n c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh website c\u1ee7a m\u00ecnh \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t <strong>DV SSL<\/strong> hay ch\u01b0a th\u00f4ng qua m\u1ed9t s\u1ed1 c\u00e1ch ki\u1ec3m tra \u0111\u01a1n gi\u1ea3n d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n<ul>\n<li><strong>Quan s\u00e1t bi\u1ec3u t\u01b0\u1ee3ng \u1ed5 kh\u00f3a tr\u00ean tr\u00ecnh duy\u1ec7t: <\/strong>Khi website s\u1eed d\u1ee5ng SSL, tr\u00ecnh duy\u1ec7t s\u1ebd hi\u1ec3n th\u1ecb <strong>bi\u1ec3u t\u01b0\u1ee3ng \u1ed5 kh\u00f3a<\/strong> tr\u00ean thanh \u0111\u1ecba ch\u1ec9 ho\u1eb7c thanh c\u00f4ng c\u1ee5, cho bi\u1ebft k\u1ebft n\u1ed1i \u0111ang \u0111\u01b0\u1ee3c b\u1ea3o m\u1eadt.<\/li>\n<li><strong>Ki\u1ec3m tra URL website: <\/strong>C\u00e1c trang web c\u00f3 SSL s\u1ebd s\u1eed d\u1ee5ng giao th\u1ee9c <strong>\u201chttps:\/\/\u201d<\/strong> thay v\u00ec \u201chttp:\/\/\u201d. Tr\u01b0\u1eddng h\u1ee3p b\u1ea1n nh\u1eadp \u0111\u1ecba ch\u1ec9 website v\u1edbi ti\u1ec1n t\u1ed1 \u201chttps:\/\/\u201d v\u00e0 trang web t\u1ea3i b\u00ecnh th\u01b0\u1eddng, kh\u00f4ng xu\u1ea5t hi\u1ec7n c\u1ea3nh b\u00e1o b\u1ea3o m\u1eadt, \u0111i\u1ec1u n\u00e0y cho th\u1ea5y website \u0111ang s\u1eed d\u1ee5ng SSL an to\u00e0n.<\/li>\n<li><strong>Xem th\u00f4ng tin chi ti\u1ebft c\u1ee7a ch\u1ee9ng ch\u1ec9 SSL: <\/strong>B\u1ea1n c\u00f3 th\u1ec3 nh\u1ea5p v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng \u1ed5 kh\u00f3a ho\u1eb7c bi\u1ec3u t\u01b0\u1ee3ng ch\u1eef <strong>\u201ci\u201d<\/strong> tr\u00ean thanh \u0111\u1ecba ch\u1ec9 \u0111\u1ec3 ki\u1ec3m tra th\u00f4ng tin ch\u1ee9ng ch\u1ec9 SSL, bao g\u1ed3m <strong>t\u00ean ch\u1ee9ng ch\u1ec9 v\u00e0 t\u1ed5 ch\u1ee9c ph\u00e1t h\u00e0nh<\/strong>.<\/li>\n<li><strong>S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 ki\u1ec3m tra SSL tr\u1ef1c tuy\u1ebfn: <\/strong>M\u1ed9t s\u1ed1 c\u00f4ng c\u1ee5 ph\u1ed5 bi\u1ebfn nh\u01b0 <strong>sslshopper.com, ssllabs.com, sslchecker.com<\/strong> cho ph\u00e9p b\u1ea1n ki\u1ec3m tra t\u00ecnh tr\u1ea1ng SSL c\u1ee7a t\u00ean mi\u1ec1n, th\u1eddi h\u1ea1n c\u00f2n l\u1ea1i c\u1ee7a ch\u1ee9ng ch\u1ec9, c\u0169ng nh\u01b0 vi\u1ec7c SSL \u0111\u00e3 c\u00e0i \u0111\u1eb7t \u0111\u1ea7y \u0111\u1ee7 c\u00e1c m\u00e3 CA hay ch\u01b0a.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Nhung-luu-y-quan-trong-khi-dang-ky-su-dung-chung-chi-DV-SSL\"><\/span>Nh\u1eefng l\u01b0u \u00fd quan tr\u1ecdng khi \u0111\u0103ng k\u00fd s\u1eed d\u1ee5ng ch\u1ee9ng ch\u1ec9 DV SSL<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Lua-chon-nha-cung-cap-chung-chi-DV-SSL-uy-tin\"><\/span>L\u1ef1a ch\u1ecdn nh\u00e0 cung c\u1ea5p ch\u1ee9ng ch\u1ec9 DV SSL uy t\u00edn<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>B\u1ea1n n\u00ean \u01b0u ti\u00ean c\u00e1c <strong>nh\u00e0 cung c\u1ea5p c\u00f3 uy t\u00edn trong ng\u00e0nh<\/strong>, \u0111\u1ea3m b\u1ea3o ph\u00e1t h\u00e0nh ch\u1ee9ng ch\u1ec9 SSL h\u1ee3p ph\u00e1p, ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111i k\u00e8m <strong>d\u1ecbch v\u1ee5 h\u1ed7 tr\u1ee3 kh\u00e1ch h\u00e0ng ch\u1ea5t l\u01b0\u1ee3ng<\/strong>. Vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u00fang nh\u00e0 cung c\u1ea5p s\u1ebd gi\u00fap b\u1ea1n y\u00ean t\u00e2m h\u01a1n trong su\u1ed1t qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng ch\u1ee9ng ch\u1ec9.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Chuan-bi-thong-tin-can-thiet-truoc-khi-dang-ky-DV-SSL\"><\/span>Chu\u1ea9n b\u1ecb th\u00f4ng tin c\u1ea7n thi\u1ebft tr\u01b0\u1edbc khi \u0111\u0103ng k\u00fd DV SSL<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tr\u01b0\u1edbc khi \u0111\u0103ng k\u00fd ch\u1ee9ng ch\u1ec9 DV SSL, b\u1ea1n c\u1ea7n <strong>chu\u1ea9n b\u1ecb email ch\u00ednh th\u1ee9c g\u1eafn v\u1edbi t\u00ean mi\u1ec1n<\/strong> \u0111\u1ec3 th\u1ef1c hi\u1ec7n x\u00e1c minh quy\u1ec1n s\u1edf h\u1eefu. H\u00e3y \u0111\u1ea3m b\u1ea3o email n\u00e0y h\u1ee3p l\u1ec7 v\u00e0 b\u1ea1n c\u00f3 quy\u1ec1n truy c\u1eadp, nh\u1eb1m nh\u1eadn \u0111\u01b0\u1ee3c email x\u00e1c minh t\u1eeb nh\u00e0 cung c\u1ea5p ch\u1ee9ng ch\u1ec9.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Xac-dinh-nhu-cau-su-dung-truoc-khi-mua-DV-SSL\"><\/span>X\u00e1c \u0111\u1ecbnh nhu c\u1ea7u s\u1eed d\u1ee5ng tr\u01b0\u1edbc khi mua DV SSL<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tr\u01b0\u1edbc khi quy\u1ebft \u0111\u1ecbnh mua ch\u1ee9ng ch\u1ec9 DV SSL, b\u1ea1n c\u1ea7n <strong>x\u00e1c \u0111\u1ecbnh r\u00f5 m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng website<\/strong>. DV SSL ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c website c\u00e1 nh\u00e2n, blog ho\u1eb7c doanh nghi\u1ec7p nh\u1ecf kh\u00f4ng y\u00eau c\u1ea7u m\u1ee9c \u0111\u1ed9 b\u1ea3o m\u1eadt cao. Trong tr\u01b0\u1eddng h\u1ee3p b\u1ea1n v\u1eadn h\u00e0nh website th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed ho\u1eb7c website c\u1ea7n b\u1ea3o m\u1eadt n\u00e2ng cao, c\u00f3 th\u1ec3 c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng <strong>EV SSL (Extended Validation SSL)<\/strong> thay th\u1ebf.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Theo-doi-va-gia-han-chung-chi-DV-SSL-dung-thoi-han\"><\/span>Theo d\u00f5i v\u00e0 gia h\u1ea1n ch\u1ee9ng ch\u1ec9 DV SSL \u0111\u00fang th\u1eddi h\u1ea1n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Th\u00f4ng th\u01b0\u1eddng, ch\u1ee9ng ch\u1ec9 DV SSL c\u00f3 <strong>th\u1eddi h\u1ea1n hi\u1ec7u l\u1ef1c l\u00e0 1 n\u0103m<\/strong>. Sau kho\u1ea3ng th\u1eddi gian n\u00e0y, b\u1ea1n c\u1ea7n ti\u1ebfn h\u00e0nh gia h\u1ea1n \u0111\u1ec3 duy tr\u00ec b\u1ea3o m\u1eadt cho website. Vi\u1ec7c theo d\u00f5i th\u1eddi h\u1ea1n ch\u1ee9ng ch\u1ec9 gi\u00fap tr\u00e1nh t\u00ecnh tr\u1ea1ng SSL h\u1ebft h\u1ea1n m\u00e0 ch\u01b0a \u0111\u01b0\u1ee3c gia h\u1ea1n k\u1ecbp th\u1eddi, t\u1eeb \u0111\u00f3 h\u1ea1n ch\u1ebf \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn <strong>tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a website<\/strong>.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cac-cau-hoi-thuong-gap-FAQs\"><\/span>C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQs)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>C\u00e2u 1: Ch\u1ee9ng ch\u1ec9 SSL mi\u1ec5n ph\u00ed (nh\u01b0 Let&#8217;s Encrypt) c\u00f3 ph\u1ea3i l\u00e0 DV SSL kh\u00f4ng?<\/strong><\/p>\n<p>\u0110\u00fang v\u1eady. H\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i ch\u1ee9ng ch\u1ec9 SSL mi\u1ec5n ph\u00ed hi\u1ec7n nay \u0111\u1ec1u thu\u1ed9c lo\u1ea1i x\u00e1c th\u1ef1c t\u00ean mi\u1ec1n (DV). Ch\u00fang ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean c\u01a1 ch\u1ebf t\u1ef1 \u0111\u1ed9ng h\u00f3a ho\u00e0n to\u00e0n v\u00e0 c\u00f3 gi\u00e1 tr\u1ecb m\u00e3 h\u00f3a t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi c\u00e1c ch\u1ee9ng ch\u1ec9 tr\u1ea3 ph\u00ed.<\/p>\n<p><strong>C\u00e2u 2: Th\u1eddi h\u1ea1n c\u1ee7a ch\u1ee9ng ch\u1ec9 DV SSL th\u01b0\u1eddng l\u00e0 bao l\u00e2u?<\/strong><\/p>\n<p>Th\u00f4ng th\u01b0\u1eddng, ch\u1ee9ng ch\u1ec9 tr\u1ea3 ph\u00ed c\u00f3 th\u1eddi h\u1ea1n 1 n\u0103m. \u0110\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i mi\u1ec5n ph\u00ed, th\u1eddi h\u1ea1n c\u00f3 th\u1ec3 ng\u1eafn h\u01a1n (th\u01b0\u1eddng l\u00e0 90 ng\u00e0y) v\u00e0 y\u00eau c\u1ea7u gia h\u1ea1n t\u1ef1 \u0111\u1ed9ng \u0111\u1ecbnh k\u1ef3.<\/p>\n<p><strong>C\u00e2u 3: T\u00f4i c\u00f3 th\u1ec3 c\u00e0i \u0111\u1eb7t nhi\u1ec1u t\u00ean mi\u1ec1n tr\u00ean m\u1ed9t ch\u1ee9ng ch\u1ec9 DV SSL kh\u00f4ng?<\/strong><\/p>\n<p>C\u00f3, n\u1ebfu b\u1ea1n ch\u1ecdn lo\u1ea1i Multi-Domain DV SSL ho\u1eb7c Wildcard DV SSL. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p b\u1ea3o m\u1eadt cho nhi\u1ec1u \u0111\u1ecba ch\u1ec9 web kh\u00e1c nhau ch\u1ec9 v\u1edbi m\u1ed9t quy tr\u00ecnh x\u00e1c th\u1ef1c duy nh\u1ea5t.<\/p>\n<p><strong>C\u00e2u 4: T\u00f4i c\u00f3 th\u1ec3 n\u00e2ng c\u1ea5p t\u1eeb DV l\u00ean OV ho\u1eb7c EV SSL sau n\u00e0y kh\u00f4ng?<\/strong><\/p>\n<p>Ho\u00e0n to\u00e0n \u0111\u01b0\u1ee3c. Khi doanh nghi\u1ec7p c\u1ee7a b\u1ea1n ph\u00e1t tri\u1ec3n v\u00e0 c\u00f3 \u0111\u1ea7y \u0111\u1ee7 gi\u1ea5y t\u1edd ph\u00e1p l\u00fd, b\u1ea1n c\u00f3 th\u1ec3 mua ch\u1ee9ng ch\u1ec9 c\u1ea5p cao h\u01a1n v\u00e0 th\u1ef1c hi\u1ec7n quy tr\u00ecnh x\u00e1c minh l\u1ea1i t\u1eeb \u0111\u1ea7u \u0111\u1ec3 thay th\u1ebf ch\u1ee9ng ch\u1ec9 c\u0169.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Ket-luan\"><\/span>K\u1ebft lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Nh\u01b0 v\u1eady, ch\u00fang ta \u0111\u00e3 \u0111i s\u00e2u v\u00e0o t\u00ecm hi\u1ec3u v\u1ec1 b\u1ea3n ch\u1ea5t v\u00e0 gi\u00e1 tr\u1ecb th\u1ef1c t\u1ebf c\u1ee7a lo\u1ea1i h\u00ecnh b\u1ea3o m\u1eadt n\u00e0y. Ch\u1ee9ng ch\u1ec9 DV SSL kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 k\u1ef9 thu\u1eadt \u0111\u1ec3 m\u00e3 h\u00f3a d\u1eef li\u1ec7u, m\u00e0 c\u00f2n l\u00e0 n\u1ec1n t\u1ea3ng t\u1ed1i thi\u1ec3u \u0111\u1ec3 x\u00e2y d\u1ef1ng m\u1ed9t website chuy\u00ean nghi\u1ec7p trong m\u1eaft ng\u01b0\u1eddi d\u00f9ng v\u00e0 c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm.<\/p>\n<p><strong>InterData<\/strong>\u00a0tin r\u1eb1ng vi\u1ec7c trang b\u1ecb HTTPS l\u00e0 b\u01b0\u1edbc \u0111i kh\u00f4ng th\u1ec3 thi\u1ebfu cho b\u1ea5t k\u1ef3 d\u1ef1 \u00e1n tr\u1ef1c tuy\u1ebfn n\u00e0o. D\u00f9 b\u1ea1n ch\u1ecdn DV SSL v\u00ec s\u1ef1 nhanh ch\u00f3ng hay chi ph\u00ed th\u1ea5p, \u0111i\u1ec1u quan tr\u1ecdng nh\u1ea5t v\u1eabn l\u00e0 \u0111\u1ea3m b\u1ea3o s\u1ef1 an to\u00e0n cho d\u1eef li\u1ec7u c\u1ee7a kh\u00e1ch h\u00e0ng. H\u00e3y d\u1ef1a tr\u00ean quy m\u00f4 v\u00e0 m\u1ee5c ti\u00eau d\u00e0i h\u1ea1n c\u1ee7a m\u00ecnh \u0111\u1ec3 \u0111\u01b0a ra l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p nh\u1ea5t cho h\u00e0nh tr\u00ecnh ph\u00e1t tri\u1ec3n website.<\/p>\n<div class=\"highlight-cta-box\">\n<p>\ud83d\udd10 L\u1ef1a ch\u1ecdn h\u1ea1 t\u1ea7ng ph\u00f9 h\u1ee3p \u0111\u1ec3 tri\u1ec3n khai DV SSL hi\u1ec7u qu\u1ea3<\/p>\n<p>\u0110\u1ec3 ch\u1ee9ng ch\u1ec9 <strong>SSL<\/strong> ph\u00e1t huy \u0111\u00fang vai tr\u00f2 b\u1ea3o m\u1eadt v\u00e0 ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh l\u00e2u d\u00e0i, website c\u1ea7n \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean <strong>h\u1ea1 t\u1ea7ng m\u00e1y ch\u1ee7 v\u00e0 h\u1ec7 th\u1ed1ng t\u00ean mi\u1ec1n \u0111\u00e1ng tin c\u1eady<\/strong>. M\u1ed9t m\u00f4i tr\u01b0\u1eddng hosting ho\u1eb7c VPS \u1ed5n \u0111\u1ecbnh s\u1ebd gi\u00fap qu\u00e1 tr\u00ecnh c\u00e0i \u0111\u1eb7t SSL di\u1ec5n ra nhanh ch\u00f3ng, h\u1ea1n ch\u1ebf l\u1ed7i HTTPS, mixed content v\u00e0 c\u00e1c c\u1ea3nh b\u00e1o b\u1ea3o m\u1eadt t\u1eeb tr\u00ecnh duy\u1ec7t.<\/p>\n<p style=\"text-align: left;\"><strong>InterData<\/strong> l\u00e0 nh\u00e0 cung c\u1ea5p <strong>t\u00ean mi\u1ec1n, Hosting, VPS v\u00e0 Cloud Server uy t\u00edn t\u1ea1i Vi\u1ec7t Nam<\/strong>, \u0111\u01b0\u1ee3c nhi\u1ec1u c\u00e1 nh\u00e2n v\u00e0 doanh nghi\u1ec7p l\u1ef1a ch\u1ecdn nh\u1edd:<\/p>\n<ul style=\"text-align: left;\">\n<li>H\u1ea1 t\u1ea7ng m\u00e1y ch\u1ee7 ch\u1ea5t l\u01b0\u1ee3ng cao, t\u1ed1i \u01b0u cho website s\u1eed d\u1ee5ng SSL\/HTTPS<\/li>\n<li>Gi\u00e1 th\u00e0nh h\u1ee3p l\u00fd, ph\u00f9 h\u1ee3p t\u1eeb website c\u00e1 nh\u00e2n \u0111\u1ebfn doanh nghi\u1ec7p<\/li>\n<li>Free SSL, d\u1ec5 d\u00e0ng tri\u1ec3n khai v\u00e0 qu\u1ea3n l\u00fd SSL tr\u00ean Hosting, VPS, Cloud Server<\/li>\n<li>\u0110\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt h\u1ed7 tr\u1ee3 24\/7, s\u1eb5n s\u00e0ng h\u1ed7 tr\u1ee3 c\u00e0i \u0111\u1eb7t v\u00e0 x\u1eed l\u00fd l\u1ed7i SSL<\/li>\n<\/ul>\n<p style=\"text-align: left;\">V\u1edbi m\u1ed9t n\u1ec1n t\u1ea3ng h\u1ea1 t\u1ea7ng ph\u00f9 h\u1ee3p, vi\u1ec7c s\u1eed d\u1ee5ng <strong>SSL<\/strong> kh\u00f4ng ch\u1ec9 gi\u00fap website an to\u00e0n h\u01a1n m\u00e0 c\u00f2n c\u1ea3i thi\u1ec7n tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng v\u00e0 \u0111\u00e1p \u1ee9ng t\u1ed1t c\u00e1c ti\u00eau chu\u1ea9n b\u1ea3o m\u1eadt hi\u1ec7n nay.<\/p>\n<p style=\"text-align: left;\">Hotline: 1900636822<br \/>\nFanpage: facebook.com\/interdata.com.vn<br \/>\nWebsite: interdata.vn<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>T\u00f3m t\u1eaft n\u1ed9i dung: Ch\u1ee9ng ch\u1ec9 DV SSL (Domain Validated SSL) l\u00e0 lo\u1ea1i h\u00ecnh b\u1ea3o m\u1eadt website c\u01a1 b\u1ea3n nh\u1ea5t, t\u1eadp trung v\u00e0o vi\u1ec7c x\u00e1c minh quy\u1ec1n s\u1edf h\u1eefu t\u00ean mi\u1ec1n c\u1ee7a ng\u01b0\u1eddi \u0111\u0103ng k\u00fd. \u0110\u00e2y l\u00e0 gi\u1ea3i ph\u00e1p gi\u00fap k\u00edch ho\u1ea1t bi\u1ec3u t\u01b0\u1ee3ng \u1ed5 kh\u00f3a an to\u00e0n v\u00e0 giao th\u1ee9c HTTPS, b\u1ea3o v\u1ec7 d\u1eef<\/p>\n","protected":false},"author":11,"featured_media":39072,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[100],"tags":[],"class_list":["post-39055","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-website"],"_links":{"self":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/39055","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=39055"}],"version-history":[{"count":11,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/39055\/revisions"}],"predecessor-version":[{"id":39310,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/39055\/revisions\/39310"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media\/39072"}],"wp:attachment":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media?parent=39055"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/categories?post=39055"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/tags?post=39055"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}