{"id":3958,"date":"2026-11-03T09:30:00","date_gmt":"2026-11-03T09:30:00","guid":{"rendered":"https:\/\/potenting.com\/vi\/blog\/how-ssl-tls-certificates-protect-your-website\/"},"modified":"2026-11-03T11:52:22","modified_gmt":"2026-11-03T11:52:22","slug":"how-ssl-tls-certificates-protect-your-website-vi","status":"publish","type":"post","link":"https:\/\/potenting.com\/vi\/blog\/how-ssl-tls-certificates-protect-your-website\/","title":{"rendered":"Ch\u1ee9ng ch\u1ec9 SSL\/TLS b\u1ea3o v\u1ec7 website c\u1ee7a b\u1ea1n nh\u01b0 th\u1ebf n\u00e0o?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"3958\" class=\"elementor elementor-3958\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5ae7d9e e-flex e-con-boxed e-con e-parent\" data-id=\"5ae7d9e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0e4aa40 elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"0e4aa40\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;exclude_headings_by_selector&quot;:[],&quot;no_headings_message&quot;:&quot;Kh\\u00f4ng t\\u00ecm th\\u1ea5y ti\\u00eau \\u0111\\u1ec1 n\\u00e0o tr\\u00ean trang n\\u00e0y.&quot;,&quot;headings_by_tags&quot;:[&quot;h2&quot;,&quot;h3&quot;,&quot;h4&quot;,&quot;h5&quot;,&quot;h6&quot;],&quot;marker_view&quot;:&quot;numbers&quot;,&quot;minimize_box&quot;:&quot;yes&quot;,&quot;minimized_on&quot;:&quot;tablet&quot;,&quot;hierarchical_view&quot;:&quot;yes&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__header\">\n\t\t\t\t\t\t<div class=\"elementor-toc__header-title\">\n\t\t\t\tM\u1ee5c l\u1ee5c\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--expand\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__0e4aa40\" aria-expanded=\"true\" aria-label=\"Open table of contents\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__0e4aa40\" aria-expanded=\"true\" aria-label=\"Close table of contents\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-up\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<div id=\"elementor-toc__0e4aa40\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<svg class=\"elementor-toc__spinner eicon-animation-spin e-font-icon-svg e-eicon-loading\" aria-hidden=\"true\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M500 975V858C696 858 858 696 858 500S696 142 500 142 142 304 142 500H25C25 237 238 25 500 25S975 237 975 500 763 975 500 975Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-991bcac e-flex e-con-boxed e-con e-parent\" data-id=\"991bcac\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-92189de elementor-widget elementor-widget-text-editor\" data-id=\"92189de\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Ng\u00e0y nay, ng\u01b0\u1eddi d\u00f9ng internet r\u1ea5t coi tr\u1ecdng v\u1ea5n \u0111\u1ec1 b\u1ea3o m\u1eadt. N\u1ebfu nh\u1eadn th\u1ea5y m\u1ed9t website ho\u1eb7c \u1ee9ng d\u1ee5ng c\u00f3 th\u1ec3 g\u00e2y r\u1ee7i ro cho s\u1ef1 an to\u00e0n c\u1ee7a m\u00ecnh, h\u1ecd kh\u00f3 c\u00f3 kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng n\u00f3. C\u00e1c giao th\u1ee9c SSL v\u00e0 TLS \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n nh\u1eb1m t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt b\u1eb1ng c\u00e1ch m\u00e3 h\u00f3a d\u1eef li\u1ec7u v\u00e0 gi\u00fap b\u1ea3o v\u1ec7 th\u00f4ng tin c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3d33b1a e-flex e-con-boxed e-con e-parent\" data-id=\"3d33b1a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b1afc24 elementor-widget elementor-widget-text-editor\" data-id=\"b1afc24\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>SSL (Secure Sockets Layer) l\u00e0 g\u00ec?<\/h2><p>V\u00e0o n\u0103m 1990, m\u1ed9t giao th\u1ee9c \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n nh\u1eb1m c\u1ea3i thi\u1ec7n b\u1ea3o m\u1eadt internet b\u1eb1ng c\u00e1ch m\u00e3 h\u00f3a d\u1eef li\u1ec7u v\u00e0 gi\u1ea3m nguy c\u01a1 nh\u1eefng ng\u01b0\u1eddi kh\u00f4ng c\u00f3 th\u1ea9m quy\u1ec1n truy c\u1eadp v\u00e0o d\u1eef li\u1ec7u \u0111\u00f3. Tr\u01b0\u1edbc khi SSL ra \u0111\u1eddi, vi\u1ec7c giao ti\u1ebfp gi\u1eefa m\u00e1y ch\u1ee7 web v\u00e0 tr\u00ecnh duy\u1ec7t d\u1ec5 b\u1ecb t\u1ed5n th\u01b0\u01a1ng tr\u01b0\u1edbc nhi\u1ec1u m\u1ed1i \u0111e d\u1ecda b\u1ea3o m\u1eadt kh\u00e1c nhau. K\u1ec3 t\u1eeb khi giao th\u1ee9c n\u00e0y xu\u1ea5t hi\u1ec7n, vi\u1ec7c s\u1eed d\u1ee5ng n\u00f3 d\u1ea7n tr\u1edf th\u00e0nh m\u1ed9t ti\u00eau chu\u1ea9n b\u1ea3o m\u1eadt v\u00e0 nhi\u1ec1u doanh nghi\u1ec7p \u0111\u00e3 \u00e1p d\u1ee5ng \u0111\u1ec3 b\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0 c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/p><p>M\u1eb7c d\u00f9 ban \u0111\u1ea7u SSL c\u00f3 v\u1ebb l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p hi\u1ec7u qu\u1ea3, n\u00f3 v\u1eabn t\u1ed3n t\u1ea1i nhi\u1ec1u l\u1ed7i v\u00e0 h\u1ea1n ch\u1ebf khi\u1ebfn n\u00f3 kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c xem l\u00e0 m\u1ed9t giao th\u1ee9c ho\u00e0n to\u00e0n \u0111\u00e1ng tin c\u1eady.<\/p><p>Ch\u1eb3ng h\u1ea1n, v\u00e0o n\u0103m 2014, m\u1ed9t l\u1ed7 h\u1ed5ng nghi\u00eam tr\u1ecdng \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n trong SSL 3.0 c\u00f3 th\u1ec3 cho ph\u00e9p tin t\u1eb7c truy c\u1eadp tr\u00e1i ph\u00e9p. Do \u0111\u00f3, c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n b\u1eaft \u0111\u1ea7u t\u00ecm ki\u1ebfm m\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf an to\u00e0n v\u00e0 \u0111\u00e1ng tin c\u1eady h\u01a1n.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-efe6d95 e-flex e-con-boxed e-con e-parent\" data-id=\"efe6d95\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e987aa1 elementor-widget elementor-widget-text-editor\" data-id=\"e987aa1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>TLS (Transport Layer Security) l\u00e0 g\u00ec?<\/h2><p>TLS \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n \u0111\u1ec3 kh\u1eafc ph\u1ee5c nh\u1eefng thi\u1ebfu s\u00f3t c\u1ee7a SSL v\u00e0 thay th\u1ebf n\u00f3. Ra m\u1eaft v\u00e0o n\u0103m 1999, giao th\u1ee9c n\u00e0y mang l\u1ea1i hi\u1ec7u su\u1ea5t t\u1ed1t h\u01a1n c\u00f9ng c\u00e1c k\u1ebft n\u1ed1i an to\u00e0n h\u01a1n, v\u00e0 cu\u1ed1i c\u00f9ng \u0111\u00e3 tr\u1edf th\u00e0nh ti\u00eau chu\u1ea9n c\u1ee7a ng\u00e0nh. TLS ph\u1ee5c v\u1ee5 c\u00f9ng m\u1ed9t m\u1ee5c \u0111\u00edch nh\u01b0 SSL: b\u1ea3o m\u1eadt vi\u1ec7c giao ti\u1ebfp gi\u1eefa tr\u00ecnh duy\u1ec7t web v\u00e0 m\u00e1y ch\u1ee7. Tuy nhi\u00ean, v\u00ec TLS mang l\u1ea1i m\u1ee9c \u0111\u1ed9 b\u1ea3o m\u1eadt m\u1ea1nh h\u01a1n nhi\u1ec1u, vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c giao th\u1ee9c l\u1ed7i th\u1eddi ho\u1eb7c kh\u00f4ng an to\u00e0n thay cho TLS c\u00f3 th\u1ec3 khi\u1ebfn h\u1ec7 th\u1ed1ng g\u1eb7p r\u1ee7i ro b\u1ea3o m\u1eadt.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-815ce49 e-flex e-con-boxed e-con e-parent\" data-id=\"815ce49\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a09bb9a elementor-widget elementor-widget-text-editor\" data-id=\"a09bb9a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>So s\u00e1nh SSL v\u00e0 TLS<\/h2><p>SSL v\u00e0 TLS ph\u1ee5c v\u1ee5 c\u00f9ng m\u1ed9t m\u1ee5c \u0111\u00edch: b\u1ea3o m\u1eadt giao ti\u1ebfp qua internet. Tuy nhi\u00ean, ch\u00fang kh\u00e1c nhau v\u1ec1 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng v\u00e0 m\u1ee9c \u0111\u1ed9 b\u1ea3o m\u1eadt m\u00e0 ch\u00fang mang l\u1ea1i.<\/p><ul><li><h3>Nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa SSL v\u00e0 TLS<\/h3><ul><li><span style=\"color: #cb5c48;\">M\u00e3 h\u00f3a:<\/span> TLS s\u1eed d\u1ee5ng c\u00e1c thu\u1eadt to\u00e1n v\u00e0 k\u1ef9 thu\u1eadt m\u00e3 h\u00f3a m\u1ea1nh m\u1ebd, ti\u00ean ti\u1ebfn h\u01a1n. Giao th\u1ee9c n\u00e0y h\u1ed7 tr\u1ee3 AES \u0111\u1ec3 m\u00e3 h\u00f3a d\u1eef li\u1ec7u v\u00e0 HMAC \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a th\u00f4ng \u0111i\u1ec7p, gi\u00fap n\u00f3 an to\u00e0n h\u01a1n so v\u1edbi ng\u01b0\u1eddi ti\u1ec1n nhi\u1ec7m SSL.<\/li><li><span style=\"color: #cb5c48;\">X\u00e1c th\u1ef1c m\u1ea1nh h\u01a1n:<\/span> TLS s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng th\u1ee9c ti\u00ean ti\u1ebfn h\u01a1n \u0111\u1ec3 x\u00e1c minh danh t\u00ednh c\u1ee7a c\u00e1c b\u00ean tham gia giao ti\u1ebfp, gi\u00fap gi\u1ea3m nguy c\u01a1 t\u1ea5n c\u00f4ng xen gi\u1eefa (MITM). Qu\u00e1 tr\u00ecnh b\u1eaft tay (handshake) c\u1ee7a TLS c\u0169ng t\u00edch h\u1ee3p c\u00e1c c\u01a1 ch\u1ebf x\u00e1c th\u1ef1c an to\u00e0n h\u01a1n.<\/li><li><span style=\"color: #cb5c48;\">Hi\u1ec7u su\u1ea5t v\u00e0 t\u1ed1c \u0111\u1ed9 t\u1ed1t h\u01a1n:<\/span> TLS t\u1ed1i \u01b0u h\u00f3a qu\u00e1 tr\u00ecnh thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i an to\u00e0n v\u00e0 gi\u1ea3m chi ph\u00ed ph\u00e1t sinh trong giao ti\u1ebfp. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 gi\u00fap qu\u00e1 tr\u00ecnh b\u1eaft tay di\u1ec5n ra nhanh h\u01a1n v\u00e0 gi\u1ea3m \u0111\u1ed9 tr\u1ec5 k\u1ebft n\u1ed1i, khi\u1ebfn TLS ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng web hi\u1ec7n \u0111\u1ea1i.<\/li><\/ul><\/li><li><h3>Nh\u1eefng \u0111i\u1ec3m t\u01b0\u01a1ng \u0111\u1ed3ng gi\u1eefa SSL v\u00e0 TLS<\/h3><ul><li><span style=\"color: #cb5c48;\">M\u00e3 h\u00f3a d\u1eef li\u1ec7u:<\/span> C\u1ea3 hai giao th\u1ee9c \u0111\u1ec1u \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 m\u00e3 h\u00f3a d\u1eef li\u1ec7u v\u00e0 thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i an to\u00e0n gi\u1eefa tr\u00ecnh duy\u1ec7t web v\u00e0 m\u00e1y ch\u1ee7. TLS l\u00e0 giao th\u1ee9c m\u1edbi h\u01a1n, \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n \u0111\u1ec3 kh\u1eafc ph\u1ee5c c\u00e1c \u0111i\u1ec3m y\u1ebfu b\u1ea3o m\u1eadt c\u1ee7a SSL.<\/li><li><span style=\"color: #cb5c48;\">Thu\u1eadt ng\u1eef:<\/span> M\u1eb7c d\u00f9 SSL \u0111\u00e3 b\u1ecb ng\u1eebng s\u1eed d\u1ee5ng, thu\u1eadt ng\u1eef n\u00e0y v\u1eabn th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 ch\u1ec9 c\u00e1c k\u1ebft n\u1ed1i v\u00e0 ch\u1ee9ng ch\u1ec9 TLS.<\/li><li><span style=\"color: #cb5c48;\">M\u1ee5c \u0111\u00edch:<\/span> C\u1ea3 hai giao th\u1ee9c \u0111\u1ec1u nh\u1eb1m b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u trong qu\u00e1 tr\u00ecnh truy\u1ec1n qua m\u1ea1ng. Ch\u00fang s\u1eed d\u1ee5ng c\u00e1c c\u01a1 ch\u1ebf b\u1ea3o m\u1eadt \u0111\u1ec3 h\u1ed7 tr\u1ee3 x\u00e1c th\u1ef1c v\u00e0 thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a.<\/li><li><span style=\"color: #cb5c48;\">S\u1eed d\u1ee5ng trong HTTPS:<\/span> HTTPS s\u1eed d\u1ee5ng TLS \u0111\u1ec3 b\u1ea3o m\u1eadt giao ti\u1ebfp gi\u1eefa tr\u00ecnh duy\u1ec7t v\u00e0 m\u00e1y ch\u1ee7 web. S\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a `https:\/\/` tr\u00ean thanh \u0111\u1ecba ch\u1ec9 cho bi\u1ebft website \u0111ang s\u1eed d\u1ee5ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a.<\/li><\/ul><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-05808d6 e-flex e-con-boxed e-con e-parent\" data-id=\"05808d6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cbb72bf elementor-widget elementor-widget-html\" data-id=\"cbb72bf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t\n<style>\n  .ssl-table-wrapper {\n    width: 100%;\n    overflow-x: auto;\n    margin: 25px 0;\n    border-radius: 10px;\n    border: 1px solid #E8D8D4;\n  }\n\n  .ssl-comparison-table {\n    width: 100%;\n    min-width: 550px;\n    border-collapse: collapse;\n    text-align: left;\n    font-size: 15px;\n    line-height: 1.7;\n    background-color: #FFFFFF;\n  }\n\n  .ssl-comparison-table thead {\n    background-color: #CB5C48;\n    color: #FFFFFF;\n  }\n\n  .ssl-comparison-table th {\n    padding: 15px;\n    font-weight: 600;\n    text-align: left;\n  }\n\n  .ssl-comparison-table td {\n    padding: 13px 15px;\n    border-bottom: 1px solid #F0E4E1;\n    color: #444444;\n  }\n\n  .ssl-comparison-table tbody tr:nth-child(even) {\n    background-color: #FFF5F2;\n  }\n\n  .ssl-comparison-table tbody tr:hover {\n    background-color: #FBE8E3;\n  }\n\n  .ssl-comparison-table tbody tr:last-child td {\n    border-bottom: none;\n  }\n\n  @media (max-width: 600px) {\n    .ssl-comparison-table {\n      font-size: 14px;\n    }\n\n    .ssl-comparison-table th,\n    .ssl-comparison-table td {\n      padding: 10px;\n    }\n  }\n<\/style>\n\n<div class=\"ssl-table-wrapper\">\n  <table class=\"ssl-comparison-table\">\n    <thead>\n      <tr>\n        <th>Comparison Criteria<\/th>\n        <th>SSL<\/th>\n        <th>TLS<\/th>\n      <\/tr>\n    <\/thead>\n    <tbody>\n      <tr>\n        <td>Security Status<\/td>\n        <td>Deprecated and insecure<\/td>\n        <td>Modern and more secure standard<\/td>\n      <\/tr>\n      <tr>\n        <td>Encryption Algorithms<\/td>\n        <td>Uses outdated and weak algorithms<\/td>\n        <td>Supports modern encryption algorithms<\/td>\n      <\/tr>\n      <tr>\n        <td>Authentication<\/td>\n        <td>Uses older mechanisms<\/td>\n        <td>Uses improved authentication mechanisms<\/td>\n      <\/tr>\n      <tr>\n        <td>Performance and Speed<\/td>\n        <td>Has security and technical limitations<\/td>\n        <td>Optimized for modern communications<\/td>\n      <\/tr>\n      <tr>\n        <td>Handshake Process<\/td>\n        <td>Older process with security weaknesses<\/td>\n        <td>Improved and more efficient process<\/td>\n      <\/tr>\n      <tr>\n        <td>Resistance to Attacks<\/td>\n        <td>Vulnerable to various attacks<\/td>\n        <td>Provides stronger protection against known attacks<\/td>\n      <\/tr>\n      <tr>\n        <td>Use in HTTPS<\/td>\n        <td>Should no longer be used<\/td>\n        <td>Used to secure HTTPS communications<\/td>\n      <\/tr>\n      <tr>\n        <td>Browser Support<\/td>\n        <td>Older SSL versions are no longer supported<\/td>\n        <td>Modern TLS versions are supported<\/td>\n      <\/tr>\n    <\/tbody>\n  <\/table>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-996da9b e-flex e-con-boxed e-con e-parent\" data-id=\"996da9b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8765338 elementor-widget elementor-widget-text-editor\" data-id=\"8765338\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>V\u00ec sao SSL b\u1ecb ng\u1eebng s\u1eed d\u1ee5ng?<\/h2><p>Vi\u1ec7c ng\u1eebng s\u1eed d\u1ee5ng SSL l\u00e0 m\u1ed9t bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt c\u1ea7n thi\u1ebft. Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c thu\u1eadt to\u00e1n m\u00e3 h\u00f3a y\u1ebfu, c\u00e1c l\u1ed7 h\u1ed5ng tr\u01b0\u1edbc nhi\u1ec1u ki\u1ec3u t\u1ea5n c\u00f4ng kh\u00e1c nhau nh\u01b0 t\u1ea5n c\u00f4ng xen gi\u1eefa (MITM), c\u00f9ng v\u1edbi vi\u1ec7c kh\u00f4ng th\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u b\u1ea3o m\u1eadt hi\u1ec7n \u0111\u1ea1i \u0111\u00e3 khi\u1ebfn giao th\u1ee9c n\u00e0y tr\u1edf n\u00ean l\u1ed7i th\u1eddi v\u00e0 kh\u00f4ng c\u00f2n \u0111\u00e1ng tin c\u1eady.<\/p><p>Ngo\u00e0i ra, c\u00e1c tr\u00ecnh duy\u1ec7t web hi\u1ec7n \u0111\u1ea1i kh\u00f4ng c\u00f2n h\u1ed7 tr\u1ee3 c\u00e1c phi\u00ean b\u1ea3n SSL c\u0169. Ch\u00fang c\u0169ng c\u00f3 th\u1ec3 hi\u1ec3n th\u1ecb c\u1ea3nh b\u00e1o b\u1ea3o m\u1eadt cho ng\u01b0\u1eddi d\u00f9ng khi truy c\u1eadp nh\u1eefng website v\u1eabn d\u1ef1a v\u00e0o c\u00e1c giao th\u1ee9c l\u1ed7i th\u1eddi n\u00e0y.<\/p><h3>V\u00ec sao thu\u1eadt ng\u1eef SSL v\u1eabn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng?<\/h3><p>M\u1eb7c d\u00f9 SSL \u0111\u00e3 b\u1ecb ng\u1eebng s\u1eed d\u1ee5ng, thu\u1eadt ng\u1eef n\u00e0y v\u1eabn \u0111\u01b0\u1ee3c d\u00f9ng r\u1ed9ng r\u00e3i khi n\u00f3i \u0111\u1ebfn c\u00e1c giao th\u1ee9c m\u00e3 h\u00f3a. D\u00f9 TLS \u0111\u00e3 tr\u1edf th\u00e0nh ti\u00eau chu\u1ea9n \u0111\u1ec3 b\u1ea3o m\u1eadt giao ti\u1ebfp tr\u1ef1c tuy\u1ebfn, nhi\u1ec1u ng\u01b0\u1eddi v\u1eabn quen g\u1ecdi n\u00f3 l\u00e0 SSL.<\/p><p>Tuy nhi\u00ean, \u0111i\u1ec1u quan tr\u1ecdng c\u1ea7n hi\u1ec3u l\u00e0 b\u1ea3n th\u00e2n SSL \u0111\u00e3 l\u1ed7i th\u1eddi v\u00e0 kh\u00f4ng c\u00f2n \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3. Khi b\u1ea1n nghe \u0111\u1ebfn thu\u1eadt ng\u1eef \u201cch\u1ee9ng ch\u1ec9 SSL\u201d ng\u00e0y nay, n\u00f3 th\u01b0\u1eddng d\u00f9ng \u0111\u1ec3 ch\u1ec9 m\u1ed9t ch\u1ee9ng ch\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u1edbi TLS, m\u1eb7c d\u00f9 c\u00e1i t\u00ean SSL v\u1eabn \u0111\u01b0\u1ee3c d\u00f9ng ph\u1ed5 bi\u1ebfn.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e98ec50 e-flex e-con-boxed e-con e-parent\" data-id=\"e98ec50\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-45df1e5 elementor-widget elementor-widget-text-editor\" data-id=\"45df1e5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>T\u01b0\u01a1ng lai c\u1ee7a ch\u1ee9ng ch\u1ec9 TLS s\u1ebd ra sao?<\/h2><p>Trong t\u01b0\u01a1ng lai, TLS s\u1ebd t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt giao ti\u1ebfp b\u1eb1ng c\u00e1ch c\u1eadp nh\u1eadt c\u00e1c thu\u1eadt to\u00e1n m\u1eadt m\u00e3 v\u00e0 \u00e1p d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p kh\u00e1ng l\u01b0\u1ee3ng t\u1eed. M\u1eb7t kh\u00e1c, vi\u1ec7c r\u00fat ng\u1eafn th\u1eddi h\u1ea1n hi\u1ec7u l\u1ef1c c\u1ee7a ch\u1ee9ng ch\u1ec9 xu\u1ed1ng c\u00f2n 47 ng\u00e0y, d\u00f9 gi\u00fap c\u1ea3i thi\u1ec7n b\u1ea3o m\u1eadt, s\u1ebd khi\u1ebfn vi\u1ec7c qu\u1ea3n l\u00fd v\u00e0 gia h\u1ea1n ch\u1ee9ng ch\u1ec9 \u0111\u00fang h\u1ea1n tr\u1edf n\u00ean kh\u00f3 kh\u0103n h\u01a1n.<\/p><p>Do \u0111\u00f3, c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 giao th\u1ee9c t\u1ef1 \u0111\u1ed9ng nh\u01b0 ACME s\u1ebd ng\u00e0y c\u00e0ng tr\u1edf n\u00ean quan tr\u1ecdng trong vi\u1ec7c qu\u1ea3n l\u00fd ch\u1ee9ng ch\u1ec9, ng\u0103n ch\u1ee9ng ch\u1ec9 h\u1ebft h\u1ea1n v\u00e0 tr\u00e1nh gi\u00e1n \u0111o\u1ea1n d\u1ecbch v\u1ee5.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-dfaf07e e-flex e-con-boxed e-con e-parent\" data-id=\"dfaf07e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ec58a72 elementor-widget elementor-widget-text-editor\" data-id=\"ec58a72\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>B\u1ea1n c\u00f3 n\u00ean s\u1eed d\u1ee5ng ch\u1ee9ng ch\u1ec9 TLS kh\u00f4ng?<\/h2><p>Ch\u1eafc ch\u1eafn l\u00e0 c\u00f3. N\u1ebfu b\u1ea1n mu\u1ed1n ph\u00e1t tri\u1ec3n doanh nghi\u1ec7p v\u00e0 x\u00e2y d\u1ef1ng ni\u1ec1m tin v\u1edbi ng\u01b0\u1eddi d\u00f9ng, vi\u1ec7c s\u1eed d\u1ee5ng TLS l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu.<\/p><p>M\u1eb7c d\u00f9 m\u1ed9t s\u1ed1 website v\u1eabn ho\u1ea1t \u0111\u1ed9ng m\u00e0 kh\u00f4ng c\u00f3 giao th\u1ee9c m\u00e3 h\u00f3a, c\u00e1c tr\u00ecnh duy\u1ec7t nh\u01b0 Google Chrome s\u1ebd hi\u1ec3n th\u1ecb c\u1ea3nh b\u00e1o b\u1ea3o m\u1eadt khi ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp nh\u1eefng trang n\u00e0y. K\u1ebft qu\u1ea3 l\u00e0 ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 \u00edt tin t\u01b0\u1edfng ho\u1eb7c kh\u00f4ng mu\u1ed1n ti\u1ebfp t\u1ee5c s\u1eed d\u1ee5ng ch\u00fang, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c \u0111\u1ebfn uy t\u00edn v\u00e0 hi\u1ec7u qu\u1ea3 t\u1ed5ng th\u1ec3 c\u1ee7a website.<\/p><p>\u0110\u1ec3 duy tr\u00ec kh\u1ea3 n\u0103ng c\u1ea1nh tranh v\u00e0 th\u00e0nh c\u00f4ng trong th\u1ebf gi\u1edbi tr\u1ef1c tuy\u1ebfn, website c\u1ee7a b\u1ea1n c\u1ea7n c\u00f3 ch\u1ee9ng ch\u1ec9 TLS \u0111\u1ec3 b\u1ea3o m\u1eadt giao ti\u1ebfp v\u00e0 t\u1ea1o d\u1ef1ng ni\u1ec1m tin v\u1edbi ng\u01b0\u1eddi d\u00f9ng.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e22fdb9 e-flex e-con-boxed e-con e-parent\" data-id=\"e22fdb9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f2d6651 elementor-widget elementor-widget-html\" data-id=\"f2d6651\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t\n<div class=\"potenting-ssl-cta\">\n  <div class=\"potenting-ssl-cta__top\">\n    <span class=\"potenting-ssl-cta__icon\" aria-hidden=\"true\">\n      &#128274;\n    <\/span>\n    <span class=\"potenting-ssl-cta__label\">\n      WEBSITE SECURITY \u00b7 SSL\/TLS\n    <\/span>\n  <\/div>\n\n  <h3>Secure Your Website. Build Trust.<\/h3>\n\n  <p>\n    Protect your website and your visitors with the right\n    SSL certificate. Explore trusted solutions for encrypted\n    connections, stronger security, and greater customer confidence.\n  <\/p>\n\n  <a\n    class=\"potenting-ssl-cta__button\"\n    href=\"\/vi\/webhosting\/ssl\/\"\n    target=\"_blank\"\n    rel=\"noopener noreferrer\"\n  >\n    Explore SSL Certificates\n    \n  <\/a>\n\n  <div class=\"potenting-ssl-cta__accent\"><\/div>\n<\/div>\n\n<style>\n.potenting-ssl-cta {\n  --cta-coral: #CB5C48;\n  --cta-navy: #101D32;\n  --cta-teal: #77D8C7;\n\n  position: relative;\n  overflow: hidden;\n  box-sizing: border-box;\n  margin: 32px 0;\n  padding: 30px;\n  border: 1px solid rgba(203, 92, 72, 0.25);\n  border-radius: 18px;\n  background:\n    radial-gradient(\n      circle at 100% 0%,\n      rgba(119, 216, 199, 0.14),\n      transparent 36%\n    ),\n    linear-gradient(135deg, #101D32 0%, #1C3048 100%);\n  color: #F7FAFC;\n  font-family: inherit;\n  box-shadow: 0 12px 30px rgba(16, 29, 50, 0.12);\n}\n\n.potenting-ssl-cta__top {\n  display: flex;\n  align-items: center;\n  gap: 12px;\n  margin-bottom: 18px;\n}\n\n.potenting-ssl-cta__icon {\n  display: grid;\n  place-items: center;\n  flex: 0 0 46px;\n  width: 46px;\n  height: 46px;\n  border-radius: 13px;\n  background: var(--cta-coral);\n  font-size: 23px;\n}\n\n.potenting-ssl-cta__label {\n  color: var(--cta-teal);\n  font-size: 11px;\n  font-weight: 700;\n  letter-spacing: 1.5px;\n}\n\n.potenting-ssl-cta h3 {\n  margin: 0 0 12px;\n  color: #FFFFFF;\n  font-size: clamp(22px, 3vw, 30px);\n  line-height: 1.3;\n  font-weight: 750;\n}\n\n.potenting-ssl-cta p {\n  max-width: 650px;\n  margin: 0 0 24px;\n  color: #D5DFE9;\n  font-size: 15px;\n  line-height: 1.9;\n}\n\n.potenting-ssl-cta__button {\n  display: inline-flex;\n  align-items: center;\n  justify-content: center;\n  gap: 12px;\n  box-sizing: border-box;\n  max-width: 100%;\n  padding: 13px 20px;\n  border: 1px solid var(--cta-coral);\n  border-radius: 10px;\n  background: var(--cta-coral);\n  color: #FFFFFF !important;\n  font-size: 14px;\n  font-weight: 700;\n  line-height: 1.5;\n  text-decoration: none !important;\n  transition:\n    background 0.2s ease,\n    border-color 0.2s ease,\n    transform 0.2s ease;\n}\n\n.potenting-ssl-cta__button:hover {\n  background: #AD4938;\n  border-color: #AD4938;\n  color: #FFFFFF !important;\n  transform: translateY(-2px);\n}\n\n.potenting-ssl-cta__accent {\n  position: absolute;\n  right: 0;\n  bottom: 0;\n  left: 0;\n  height: 5px;\n  background: linear-gradient(\n    90deg,\n    #CB5C48 0%,\n    #E99A69 48%,\n    #77D8C7 100%\n  );\n}\n\n@media (max-width: 600px) {\n  .potenting-ssl-cta {\n    padding: 22px 18px;\n    border-radius: 14px;\n  }\n\n  .potenting-ssl-cta__label {\n    font-size: 10px;\n    letter-spacing: 1px;\n  }\n\n  .potenting-ssl-cta__button {\n    display: flex;\n    width: 100%;\n  }\n}\n\n@media (prefers-reduced-motion: reduce) {\n  .potenting-ssl-cta__button {\n    transition: none;\n  }\n}\n<\/style>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-662ce8d e-flex e-con-boxed e-con e-parent\" data-id=\"662ce8d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-afbf846 elementor-widget elementor-widget-text-editor\" data-id=\"afbf846\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>K\u1ebft lu\u1eadn: Ch\u1ee9ng ch\u1ec9 SSL c\u00f3 hi\u1ec7u l\u1ef1c trong bao l\u00e2u?<\/h2><p>Th\u1eddi h\u1ea1n hi\u1ec7u l\u1ef1c c\u1ee7a ch\u1ee9ng ch\u1ec9 SSL\/TLS l\u00e0 kho\u1ea3ng th\u1eddi gian ch\u1ee9ng ch\u1ec9 c\u00f2n hi\u1ec7u l\u1ef1c \u0111\u1ec3 b\u1ea3o m\u1eadt giao ti\u1ebfp. Hi\u1ec7n t\u1ea1i, th\u1eddi h\u1ea1n hi\u1ec7u l\u1ef1c t\u1ed1i \u0111a l\u00e0 398 ng\u00e0y. Tuy nhi\u00ean, th\u1eddi h\u1ea1n n\u00e0y s\u1ebd gi\u1ea3m d\u1ea7n b\u1eaft \u0111\u1ea7u t\u1eeb th\u00e1ng 3 n\u0103m 2026 v\u00e0 ch\u1ec9 c\u00f2n 47 ng\u00e0y v\u00e0o th\u00e1ng 3 n\u0103m 2029.<\/p><p>M\u1ee5c ti\u00eau c\u1ee7a thay \u0111\u1ed5i n\u00e0y l\u00e0 t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt, gi\u1ea3m nguy c\u01a1 l\u1ed9 kh\u00f3a m\u1eadt m\u00e3 v\u00e0 thu h\u1eb9p kho\u1ea3ng th\u1eddi gian m\u00e0 k\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 khai th\u00e1c c\u00e1c ch\u1ee9ng ch\u1ec9 \u0111\u00e3 b\u1ecb x\u00e2m ph\u1ea1m ho\u1eb7c c\u00f3 l\u1ed7 h\u1ed5ng.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-48691b6 e-flex e-con-boxed e-con e-parent\" data-id=\"48691b6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-9233832 e-con-full e-flex e-con e-child\" data-id=\"9233832\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-942ddd8 elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"942ddd8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-far-question-circle\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119.043 8 8 119.083 8 256c0 136.997 111.043 248 248 248s248-111.003 248-248C504 119.083 392.957 8 256 8zm0 448c-110.532 0-200-89.431-200-200 0-110.495 89.472-200 200-200 110.491 0 200 89.471 200 200 0 110.53-89.431 200-200 200zm107.244-255.2c0 67.052-72.421 68.084-72.421 92.863V300c0 6.627-5.373 12-12 12h-45.647c-6.627 0-12-5.373-12-12v-8.659c0-35.745 27.1-50.034 47.579-61.516 17.561-9.845 28.324-16.541 28.324-29.579 0-17.246-21.999-28.693-39.784-28.693-23.189 0-33.894 10.977-48.942 29.969-4.057 5.12-11.46 6.071-16.666 2.124l-27.824-21.098c-5.107-3.872-6.251-11.066-2.644-16.363C184.846 131.491 214.94 112 261.794 112c49.071 0 101.45 38.304 101.45 88.8zM298 368c0 23.159-18.841 42-42 42s-42-18.841-42-42 18.841-42 42-42 42 18.841 42 42z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6b1e225 e-con-full e-flex e-con e-child\" data-id=\"6b1e225\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-178079e elementor-widget elementor-widget-text-editor\" data-id=\"178079e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d43cb7b elementor-widget elementor-widget-text-editor\" data-id=\"d43cb7b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h3>1. \u0110i\u1ec1u g\u00ec x\u1ea3y ra khi ch\u1ee9ng ch\u1ec9 SSL\/TLS h\u1ebft h\u1ea1n?<\/h3><p style=\"padding-left: 40px;\">Kh\u00e1ch truy c\u1eadp c\u00f3 th\u1ec3 th\u1ea5y c\u1ea3nh b\u00e1o b\u1ea3o m\u1eadt v\u00e0 tr\u00ecnh duy\u1ec7t c\u00f3 th\u1ec3 kh\u00f4ng c\u00f2n coi k\u1ebft n\u1ed1i l\u00e0 an to\u00e0n, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ni\u1ec1m tin c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 kh\u1ea3 n\u0103ng truy c\u1eadp website.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ace4fb5 elementor-widget elementor-widget-text-editor\" data-id=\"ace4fb5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h3>2. V\u00ec sao th\u1eddi h\u1ea1n hi\u1ec7u l\u1ef1c c\u1ee7a ch\u1ee9ng ch\u1ec9 SSL\/TLS ng\u00e0y c\u00e0ng ng\u1eafn h\u01a1n?<\/h3><p style=\"padding-left: 40px;\">Th\u1eddi h\u1ea1n hi\u1ec7u l\u1ef1c ng\u1eafn h\u01a1n gi\u00fap h\u1ea1n ch\u1ebf kho\u1ea3ng th\u1eddi gian m\u00e0 c\u00e1c ch\u1ee9ng ch\u1ec9 b\u1ecb x\u00e2m ph\u1ea1m ho\u1eb7c b\u1ecb l\u1ea1m d\u1ee5ng v\u1eabn c\u00f2n hi\u1ec7u l\u1ef1c, \u0111\u1ed3ng th\u1eddi khuy\u1ebfn kh\u00edch vi\u1ec7c c\u1eadp nh\u1eadt ch\u1ee9ng ch\u1ec9 th\u01b0\u1eddng xuy\u00ean h\u01a1n.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-464bee4 elementor-widget elementor-widget-text-editor\" data-id=\"464bee4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h3>3. Ch\u1ee9ng ch\u1ec9 SSL\/TLS c\u00f3 gi\u00fap c\u1ea3i thi\u1ec7n SEO kh\u00f4ng?<\/h3><p style=\"padding-left: 40px;\">HTTPS l\u00e0 m\u1ed9t t\u00edn hi\u1ec7u x\u1ebfp h\u1ea1ng nh\u1eb9 \u0111\u1ed1i v\u1edbi Google. Tuy nhi\u00ean, ch\u1ec9 ri\u00eang ch\u1ee9ng ch\u1ec9 SSL\/TLS kh\u00f4ng \u0111\u1ea3m b\u1ea3o th\u1ee9 h\u1ea1ng t\u00ecm ki\u1ebfm cao h\u01a1n.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Ng\u00e0y nay, ng\u01b0\u1eddi d\u00f9ng internet r\u1ea5t coi tr\u1ecdng v\u1ea5n \u0111\u1ec1 b\u1ea3o m\u1eadt. N\u1ebfu nh\u1eadn th\u1ea5y m\u1ed9t website ho\u1eb7c \u1ee9ng d\u1ee5ng c\u00f3 th\u1ec3 g\u00e2y r\u1ee7i ro cho s\u1ef1 an to\u00e0n c\u1ee7a m\u00ecnh, h\u1ecd kh\u00f3 c\u00f3 kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng n\u00f3. C\u00e1c giao th\u1ee9c SSL v\u00e0 TLS \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n nh\u1eb1m t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt b\u1eb1ng c\u00e1ch [\u2026]<\/p>\n","protected":false},"author":7,"featured_media":3555,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3958","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>SSL v\u00e0 TLS: Kh\u00e1c bi\u1ec7t, b\u1ea3o m\u1eadt v\u00e0 th\u1eddi h\u1ea1n hi\u1ec7u l\u1ef1c<\/title>\n<meta name=\"description\" content=\"T\u00ecm hi\u1ec3u s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa SSL v\u00e0 TLS, c\u00e1ch ch\u1ee9ng ch\u1ec9 b\u1ea3o m\u1eadt website v\u00e0 v\u00ec sao th\u1eddi h\u1ea1n ch\u1ee9ng ch\u1ec9 quan tr\u1ecdng v\u1edbi b\u1ea3o m\u1eadt v\u00e0 ni\u1ec1m tin ng\u01b0\u1eddi d\u00f9ng.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/potenting.com\/vi\/blog\/how-ssl-tls-certificates-protect-your-website\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SSL v\u00e0 TLS: Kh\u00e1c bi\u1ec7t, b\u1ea3o m\u1eadt v\u00e0 th\u1eddi h\u1ea1n hi\u1ec7u l\u1ef1c\" \/>\n<meta property=\"og:description\" content=\"T\u00ecm hi\u1ec3u s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa SSL v\u00e0 TLS, c\u00e1ch ch\u1ee9ng ch\u1ec9 b\u1ea3o m\u1eadt website v\u00e0 v\u00ec sao th\u1eddi h\u1ea1n ch\u1ee9ng ch\u1ec9 quan tr\u1ecdng v\u1edbi b\u1ea3o m\u1eadt v\u00e0 ni\u1ec1m tin ng\u01b0\u1eddi d\u00f9ng.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/potenting.com\/vi\/blog\/how-ssl-tls-certificates-protect-your-website\/\" \/>\n<meta property=\"og:site_name\" content=\"Potenting Blog\" \/>\n<meta property=\"article:published_time\" content=\"2026-11-03T09:30:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-11-03T11:52:22+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/potenting.com\/blog\/wp-content\/uploads\/2026\/10\/Comparing-SSL-and-TLS.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"966\" \/>\n\t<meta property=\"og:image:height\" content=\"665\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Nina Ash\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Nina Ash\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"12 minutes\" 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