{"id":1794,"date":"2026-07-21T09:30:00","date_gmt":"2026-07-21T09:30:00","guid":{"rendered":"https:\/\/potenting.com\/vi\/blog\/what-is-ssl\/"},"modified":"2026-09-28T17:51:37","modified_gmt":"2026-09-28T17:51:37","slug":"what-is-ssl-vi","status":"publish","type":"post","link":"https:\/\/potenting.com\/vi\/blog\/what-is-ssl\/","title":{"rendered":"SSL l\u00e0 g\u00ec v\u00e0 SSL gi\u00fap t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt website nh\u01b0 th\u1ebf n\u00e0o?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"1794\" class=\"elementor elementor-1794\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1395674 e-flex e-con-boxed e-con e-parent\" data-id=\"1395674\" 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-c774f74 elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"c774f74\" 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__c774f74\" 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__c774f74\" 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__c774f74\" 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-419b78e e-flex e-con-boxed e-con e-parent\" data-id=\"419b78e\" 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-979d978 elementor-widget elementor-widget-text-editor\" data-id=\"979d978\" 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>B\u1ea3o m\u1eadt l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a c\u00e1c doanh nghi\u1ec7p ng\u00e0y nay. C\u00e1c t\u1ed5 ch\u1ee9c v\u00e0 c\u00f4ng ty kh\u00f4ng ng\u1eebng t\u00ecm ki\u1ebfm gi\u1ea3i ph\u00e1p \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt v\u00e0 n\u00e2ng cao hi\u1ec7u qu\u1ea3 ho\u1ea1t \u0111\u1ed9ng t\u1ed5ng th\u1ec3. M\u1ed9t trong nh\u1eefng bi\u1ec7n ph\u00e1p quan tr\u1ecdng nh\u1ea5t m\u00e0 h\u1ecd c\u1ea7n th\u1ef1c hi\u1ec7n nghi\u00eam t\u00fac l\u00e0 tri\u1ec3n khai ch\u1ee9ng ch\u1ec9 SSL, m\u1ed9t gi\u1ea3i ph\u00e1p \u0111\u00e1ng tin c\u1eady gi\u00fap c\u1ee7ng c\u1ed1 b\u1ea3o m\u1eadt trong m\u00f4i tr\u01b0\u1eddng tr\u1ef1c tuy\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-dcd3d8f e-flex e-con-boxed e-con e-parent\" data-id=\"dcd3d8f\" 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-e3d772b elementor-widget elementor-widget-text-editor\" data-id=\"e3d772b\" 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>Ch\u1ee9ng ch\u1ec9 SSL l\u00e0 g\u00ec?<\/h2>\n<p>SSL l\u00e0 m\u1ed9t giao th\u1ee9c m\u00e3 h\u00f3a d\u1eef li\u1ec7u gi\u00fap b\u1ea3o m\u1eadt k\u1ebft n\u1ed1i gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 website. Khi m\u1ed9t website c\u00f3 ch\u1ee9ng ch\u1ec9 SSL, bi\u1ec3u t\u01b0\u1ee3ng \u1ed5 kh\u00f3a s\u1ebd xu\u1ea5t hi\u1ec7n b\u00ean c\u1ea1nh URL c\u1ee7a n\u00f3. Bi\u1ec3u t\u01b0\u1ee3ng n\u00e0y cho bi\u1ebft qu\u00e1 tr\u00ecnh giao ti\u1ebfp gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 website \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp qua m\u1ed9t k\u1ebft n\u1ed1i an to\u00e0n. Nh\u1edd \u0111\u00f3, m\u1ecdi d\u1eef li\u1ec7u trao \u0111\u1ed5i gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 m\u00e1y ch\u1ee7 \u0111\u1ec1u \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 kh\u1ecfi vi\u1ec7c nghe l\u00e9n, can thi\u1ec7p v\u00e0 ch\u1ec9nh s\u1eeda tr\u00e1i ph\u00e9p.<\/p>\n<p>M\u00e3 h\u00f3a d\u1eef li\u1ec7u ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch chia th\u00f4ng tin th\u00e0nh c\u00e1c g\u00f3i nh\u1ecf v\u00e0 chuy\u1ec3n \u0111\u1ed5i ch\u00fang sang \u0111\u1ecbnh d\u1ea1ng kh\u00f4ng th\u1ec3 \u0111\u1ecdc \u0111\u01b0\u1ee3c b\u1eb1ng c\u00e1c thu\u1eadt to\u00e1n m\u00e3 h\u00f3a. Do \u0111\u00f3, ngay c\u1ea3 khi tin t\u1eb7c ch\u1eb7n \u0111\u01b0\u1ee3c d\u1eef li\u1ec7u, ch\u00fang c\u0169ng kh\u00f4ng th\u1ec3 \u0111\u1ecdc hay s\u1eed d\u1ee5ng n\u1ebfu kh\u00f4ng c\u00f3 \u0111\u00fang kh\u00f3a m\u00e3 h\u00f3a v\u00e0 thu\u1eadt to\u00e1n. Ch\u00fang t\u00f4i s\u1ebd gi\u1ea3i th\u00edch c\u00e1ch b\u00ean nh\u1eadn gi\u1ea3i m\u00e3 th\u00f4ng tin n\u00e0y \u1edf ph\u1ea7n sau.<\/p>\n<p>Trong 25 n\u0103m k\u1ec3 t\u1eeb khi SSL l\u1ea7n \u0111\u1ea7u ra \u0111\u1eddi, nhi\u1ec1u phi\u00ean b\u1ea3n c\u1ee7a giao th\u1ee9c n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t h\u00e0nh. Tuy nhi\u00ean, ph\u1ea7n l\u1edbn trong s\u1ed1 \u0111\u00f3 cu\u1ed1i c\u00f9ng \u0111\u00e3 b\u1ecb lo\u1ea1i b\u1ecf do t\u1ed3n t\u1ea1i l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn s\u1ef1 ra \u0111\u1eddi c\u1ee7a TLS (Transport Layer Security), giao th\u1ee9c mang l\u1ea1i kh\u1ea3 n\u0103ng b\u1ea3o m\u1eadt m\u1ea1nh h\u01a1n \u0111\u00e1ng k\u1ec3 v\u00e0 hi\u1ec7n \u0111\u00e3 thay th\u1ebf SSL. D\u00f9 v\u1eady, c\u00f4ng ngh\u1ec7 n\u00e0y v\u1eabn th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 SSL, v\u00ec th\u1ebf thu\u1eadt ng\u1eef n\u00e0y \u0111\u1ebfn nay v\u1eabn \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn r\u1ed9ng r\u00e3i.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" class=\"e-image-base e-default-img e-3f20e57-da80088\" data-interaction-id=\"3f20e57\" data-e-type=\"widget\" data-id=\"3f20e57\" id=\"552\" src=\"https:\/\/potenting.com\/blog\/wp-content\/uploads\/2026\/07\/What-Is-an-SSL-Certificate.webp\" width=\"600\" height=\"400\" srcset=\"https:\/\/potenting.com\/blog\/wp-content\/uploads\/2026\/07\/What-Is-an-SSL-Certificate.webp 600w, https:\/\/potenting.com\/blog\/wp-content\/uploads\/2026\/07\/What-Is-an-SSL-Certificate-300x200.webp 300w\" alt=\"What Is an SSL Certificate\"\/>\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-99e48c5 e-flex e-con-boxed e-con e-parent\" data-id=\"99e48c5\" 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-17f007c elementor-widget elementor-widget-text-editor\" data-id=\"17f007c\" 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 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/h2><p>SSL \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u trao \u0111\u1ed5i gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 m\u00e1y ch\u1ee7 lu\u00f4n \u0111\u01b0\u1ee3c an to\u00e0n. \u0110\u1ec3 l\u00e0m \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y, SSL s\u1eed d\u1ee5ng c\u00e1c thu\u1eadt to\u00e1n m\u00e3 h\u00f3a nh\u1eb1m chuy\u1ec3n \u0111\u1ed5i th\u00f4ng tin sang \u0111\u1ecbnh d\u1ea1ng kh\u00f4ng th\u1ec3 \u0111\u1ecdc \u0111\u01b0\u1ee3c, ng\u0103n c\u00e1c b\u00ean tr\u00e1i ph\u00e9p truy c\u1eadp v\u00e0o d\u1eef li\u1ec7u. Nh\u01b0ng m\u1ed9t c\u00e2u h\u1ecfi quan tr\u1ecdng \u0111\u01b0\u1ee3c \u0111\u1eb7t ra: d\u1eef li\u1ec7u \u0111\u00e3 m\u00e3 h\u00f3a n\u00e0y \u0111\u01b0\u1ee3c \u0111\u1ecdc nh\u01b0 th\u1ebf n\u00e0o khi \u0111\u1ebfn n\u01a1i nh\u1eadn?<\/p><p>D\u1eef li\u1ec7u \u0111\u01b0\u1ee3c gi\u1ea3i m\u00e3 b\u1eb1ng hai kh\u00f3a m\u1eadt m\u00e3.<\/p><p>Tr\u01b0\u1edbc khi t\u00ecm hi\u1ec3u v\u1ec1 hai kh\u00f3a n\u00e0y, b\u1ea1n n\u00ean hi\u1ec3u kh\u00f3a l\u00e0 g\u00ec. Kh\u00f3a m\u1eadt m\u00e3 l\u00e0 m\u1ed9t chu\u1ed7i g\u1ed3m ch\u1eef c\u00e1i v\u00e0 ch\u1eef s\u1ed1 d\u00f9ng \u0111\u1ec3 m\u00e3 h\u00f3a v\u00e0 gi\u1ea3i m\u00e3 d\u1eef li\u1ec7u. Trong SSL c\u00f3 hai lo\u1ea1i kh\u00f3a: Kh\u00f3a c\u00f4ng khai (Public Key) v\u00e0 Kh\u00f3a ri\u00eang t\u01b0 (Private Key).<\/p><p>Khi tr\u00ecnh duy\u1ec7t k\u1ebft n\u1ed1i \u0111\u1ebfn m\u1ed9t website, n\u00f3 s\u1ebd s\u1eed d\u1ee5ng kh\u00f3a c\u00f4ng khai. Kh\u00f3a n\u00e0y \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 r\u1ed9ng r\u00e3i v\u00e0 \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i an to\u00e0n.<\/p><p>Ng\u01b0\u1ee3c l\u1ea1i, kh\u00f3a ri\u00eang t\u01b0 ch\u1ec9 \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u00ean m\u00e1y ch\u1ee7 v\u00e0 kh\u00f4ng bao gi\u1edd \u0111\u01b0\u1ee3c chia s\u1ebb v\u1edbi b\u1ea5t k\u1ef3 ai. Kh\u00f3a n\u00e0y \u0111\u00f3ng vai tr\u00f2 ch\u00ednh trong vi\u1ec7c gi\u1ea3i m\u00e3 d\u1eef li\u1ec7u \u0111\u00e3 \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a. N\u1ebfu kh\u00f4ng c\u00f3 n\u00f3, th\u00f4ng tin s\u1ebd kh\u00f4ng th\u1ec3 \u0111\u1ecdc \u0111\u01b0\u1ee3c. V\u00ec v\u1eady, vi\u1ec7c b\u1ea3o v\u1ec7 kh\u00f3a ri\u00eang t\u01b0 l\u00e0 c\u1ef1c k\u1ef3 quan tr\u1ecdng. N\u1ebfu kh\u00f3a n\u00e0y b\u1ecb l\u1ed9, nh\u1eefng k\u1ebb kh\u00f4ng c\u00f3 th\u1ea9m quy\u1ec1n c\u00f3 th\u1ec3 d\u00f9ng n\u00f3 \u0111\u1ec3 gi\u1ea3i m\u00e3 d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m v\u00e0 truy c\u1eadp v\u00e0o th\u00f4ng tin b\u00ed 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-9c11fcc e-flex e-con-boxed e-con e-parent\" data-id=\"9c11fcc\" 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-0b85751 elementor-widget elementor-widget-text-editor\" data-id=\"0b85751\" 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>Ch\u1ec9 ri\u00eang ch\u1ee9ng ch\u1ec9 SSL c\u00f3 \u0111\u1ee7 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n kh\u00f4ng?<\/h2>\n<p>Kh\u00f4ng. M\u1eb7c d\u00f9 c\u00f4ng ngh\u1ec7 an ninh m\u1ea1ng \u0111\u00e3 c\u00f3 nh\u1eefng b\u01b0\u1edbc ti\u1ebfn v\u01b0\u1ee3t b\u1eadc, c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng m\u1ea1ng c\u0169ng kh\u00f4ng ng\u1eebng ph\u00e1t tri\u1ec3n. Kh\u00f4ng th\u1ec3 n\u00f3i r\u1eb1ng ch\u1ec9 ri\u00eang SSL c\u00f3 th\u1ec3 b\u1ea3o m\u1eadt website m\u1ed9t c\u00e1ch to\u00e0n di\u1ec7n; tuy nhi\u00ean, SSL c\u00f3 th\u1ec3 b\u1ea3o v\u1ec7 website hi\u1ec7u qu\u1ea3 tr\u01b0\u1edbc nhi\u1ec1u lo\u1ea1i t\u1ea5n c\u00f4ng kh\u00e1c nhau.<\/p>\n<p>\u0110\u1ec3 n\u00e2ng cao m\u1ee9c \u0111\u1ed9 b\u1ea3o m\u1eadt c\u1ee7a SSL, b\u1ea1n n\u00ean tu\u00e2n th\u1ee7 c\u00e1c nguy\u00ean t\u1eafc sau:<\/p>\n<ul>\n<li> Lu\u00f4n c\u1eadp nh\u1eadt ch\u1ee9ng ch\u1ec9 SSL v\u00e0 s\u1eed d\u1ee5ng c\u00e1c phi\u00ean b\u1ea3n m\u1edbi h\u01a1n, an to\u00e0n h\u01a1n.<\/li>\n<li> Mua ch\u1ee9ng ch\u1ec9 SSL t\u1eeb m\u1ed9t t\u1ed5 ch\u1ee9c c\u1ea5p ch\u1ee9ng ch\u1ec9 uy t\u00edn v\u00e0 \u0111\u00e1ng tin c\u1eady.<\/li>\n<li>Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng chia s\u1ebb kh\u00f3a ri\u00eang t\u01b0 v\u1edbi b\u1ea5t k\u1ef3 ai trong m\u1ecdi tr\u01b0\u1eddng h\u1ee3p, v\u00ec vi\u1ec7c \u0111\u1ec3 l\u1ed9 kh\u00f3a n\u00e0y c\u00f3 th\u1ec3 l\u00e0m m\u1ea5t an to\u00e0n c\u1ee7a d\u1eef li\u1ec7u \u0111\u00e3 m\u00e3 h\u00f3a.<\/li>\n<\/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-d41cfeb e-flex e-con-boxed e-con e-parent\" data-id=\"d41cfeb\" 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-648fe40 elementor-widget elementor-widget-text-editor\" data-id=\"648fe40\" 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>HTTPS l\u00e0 g\u00ec?<\/h2><p>N\u1ebfu m\u1ed9t website c\u00f3 ch\u1ee9ng ch\u1ec9 SSL, c\u1ee5m t\u1eeb HTTPS s\u1ebd xu\u1ea5t hi\u1ec7n \u1edf \u0111\u1ea7u \u0111\u1ecba ch\u1ec9 URL c\u1ee7a n\u00f3. Ngo\u00e0i ra, tr\u00ecnh duy\u1ec7t c\u00f2n hi\u1ec3n th\u1ecb bi\u1ec3u t\u01b0\u1ee3ng \u1ed5 kh\u00f3a b\u00ean c\u1ea1nh \u0111\u1ecba ch\u1ec9 website. Nh\u1eefng d\u1ea5u hi\u1ec7u n\u00e0y cho ng\u01b0\u1eddi d\u00f9ng bi\u1ebft website an to\u00e0n v\u00e0 \u0111\u00e1ng tin c\u1eady.<\/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-c50852b e-flex e-con-boxed e-con e-parent\" data-id=\"c50852b\" 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-87861b5 elementor-widget elementor-widget-text-editor\" data-id=\"87861b5\" 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>Ch\u1ee9ng ch\u1ec9 SSL c\u00f3 th\u1ef1c s\u1ef1 c\u1ea7n thi\u1ebft?<\/h2><p>C\u00f3. N\u1ebfu website c\u1ee7a b\u1ea1n kh\u00f4ng c\u00f3 ch\u1ee9ng ch\u1ec9 SSL, tr\u00ecnh duy\u1ec7t s\u1ebd hi\u1ec3n th\u1ecb c\u1ea3nh b\u00e1o r\u1eb1ng website kh\u00f4ng an to\u00e0n khi ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m l\u00f2ng tin c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 khi\u1ebfn nhi\u1ec1u kh\u00e1ch truy c\u1eadp r\u1eddi kh\u1ecfi website.<\/p><p>B\u00ean c\u1ea1nh \u0111\u00f3, c\u00e1c website kh\u00f4ng c\u00f3 ch\u1ee9ng ch\u1ec9 SSL c\u00f3 th\u1ec3 b\u1ecb x\u1ebfp h\u1ea1ng th\u1ea5p h\u01a1n trong k\u1ebft qu\u1ea3 c\u1ee7a c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm nh\u01b0 Google so v\u1edbi c\u00e1c website an to\u00e0n.<\/p><p>C\u00f3 th\u1ec3 b\u1ea1n ngh\u0129 r\u1eb1ng website c\u1ee7a m\u00ecnh kh\u00f4ng x\u1eed l\u00fd th\u00f4ng tin nh\u1ea1y c\u1ea3m hay b\u00ed m\u1eadt, nh\u01b0ng ch\u1ee9ng ch\u1ec9 SSL v\u1eabn l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu. N\u1ebfu kh\u00f4ng c\u00f3 SSL b\u1ea3o v\u1ec7, tin t\u1eb7c c\u00f3 th\u1ec3 truy c\u1eadp v\u00e0o qu\u00e1 tr\u00ecnh truy\u1ec1n d\u1eef li\u1ec7u v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh vi nh\u01b0 ch\u00e8n qu\u1ea3ng c\u00e1o kh\u00f4ng mong mu\u1ed1n, thay \u0111\u1ed5i n\u1ed9i dung website ho\u1eb7c chuy\u1ec3n h\u01b0\u1edbng ng\u01b0\u1eddi d\u00f9ng \u0111\u1ebfn c\u00e1c trang \u0111\u1ed9c h\u1ea1i.<\/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-439dbe7 e-flex e-con-boxed e-con e-parent\" data-id=\"439dbe7\" 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-7ead1de elementor-widget elementor-widget-text-editor\" data-id=\"7ead1de\" 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>L\u1eddi k\u1ebft<\/h2><p>Trong th\u1ebf gi\u1edbi s\u1ed1 ng\u00e0y nay, b\u1ea3o m\u1eadt kh\u00f4ng c\u00f2n l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn m\u00e0 l\u00e0 m\u1ed9t nhu c\u1ea7u thi\u1ebft y\u1ebfu. Ch\u1ee9ng ch\u1ec9 SSL l\u00e0 m\u1ed9t trong nh\u1eefng c\u00f4ng c\u1ee5 quan tr\u1ecdng nh\u1ea5t \u0111\u1ec3 thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i an to\u00e0n gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 website. B\u1eb1ng c\u00e1ch m\u00e3 h\u00f3a d\u1eef li\u1ec7u, c\u00f4ng ngh\u1ec7 n\u00e0y b\u1ea3o v\u1ec7 th\u00f4ng tin ng\u01b0\u1eddi d\u00f9ng v\u00e0 n\u00e2ng cao \u0111\u1ed9 tin c\u1eady c\u1ee7a website.<\/p><p>M\u1eb7c d\u00f9 ch\u1ec9 ri\u00eang SSL kh\u00f4ng th\u1ec3 lo\u1ea1i b\u1ecf m\u1ecdi m\u1ed1i \u0111e d\u1ecda b\u1ea3o m\u1eadt, n\u00f3 v\u1eabn \u0111\u01b0\u1ee3c xem l\u00e0 m\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 n\u1ec1n t\u1ea3ng c\u1ee7a b\u1ea3o m\u1eadt web. Vi\u1ec7c s\u1eed d\u1ee5ng ch\u1ee9ng ch\u1ec9 \u0111\u00e1ng tin c\u1eady, th\u01b0\u1eddng xuy\u00ean c\u1eadp nh\u1eadt v\u00e0 b\u1ea3o v\u1ec7 kh\u00f3a ri\u00eang t\u01b0 \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong vi\u1ec7c duy tr\u00ec an to\u00e0n cho website.<\/p><p>Suy cho c\u00f9ng, s\u1edf h\u1eefu ch\u1ee9ng ch\u1ec9 SSL kh\u00f4ng ch\u1ec9 c\u1ea7n thi\u1ebft \u0111\u1ec3 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u ng\u01b0\u1eddi d\u00f9ng m\u00e0 c\u00f2n gi\u00fap n\u00e2ng cao uy t\u00edn c\u1ee7a website, t\u0103ng l\u00f2ng tin c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 mang l\u1ea1i tr\u1ea3i nghi\u1ec7m tr\u1ef1c tuy\u1ebfn an to\u00e0n 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-9de34d5 e-flex e-con-boxed e-con e-parent\" data-id=\"9de34d5\" 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-1b0602f e-con-full e-flex e-con e-child\" data-id=\"1b0602f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-45140ef elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"45140ef\" 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-aa6b2ef e-con-full e-flex e-con e-child\" data-id=\"aa6b2ef\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e2860c9 elementor-widget elementor-widget-text-editor\" data-id=\"e2860c9\" 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-b0f4c92 elementor-widget elementor-widget-text-editor\" data-id=\"b0f4c92\" 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. Ch\u1ee9ng ch\u1ec9 SSL c\u00f3 c\u1ea7n gia h\u1ea1n kh\u00f4ng?<\/h3><p style=\"padding-left: 40px;\">C\u00f3. Ch\u1ee9ng ch\u1ec9 SSL c\u00f3 th\u1eddi h\u1ea1n hi\u1ec7u l\u1ef1c nh\u1ea5t \u0111\u1ecbnh v\u00e0 ph\u1ea3i \u0111\u01b0\u1ee3c gia h\u1ea1n ho\u1eb7c thay th\u1ebf tr\u01b0\u1edbc khi h\u1ebft h\u1ea1n \u0111\u1ec3 duy tr\u00ec b\u1ea3o m\u1eadt cho website.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1bb85b1 elementor-widget elementor-widget-text-editor\" data-id=\"1bb85b1\" 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. C\u00f3 th\u1ec3 chia s\u1ebb kh\u00f3a ri\u00eang t\u01b0 SSL v\u1edbi ng\u01b0\u1eddi kh\u00e1c kh\u00f4ng?<\/h3><p style=\"padding-left: 40px;\">Kh\u00f4ng. Kh\u00f3a ri\u00eang t\u01b0 ph\u1ea3i \u0111\u01b0\u1ee3c gi\u1eef b\u00ed m\u1eadt tuy\u1ec7t \u0111\u1ed1i. N\u1ebfu nh\u1eefng k\u1ebb kh\u00f4ng c\u00f3 th\u1ea9m quy\u1ec1n truy c\u1eadp \u0111\u01b0\u1ee3c v\u00e0o kh\u00f3a n\u00e0y, d\u1eef li\u1ec7u \u0111\u00e3 m\u00e3 h\u00f3a c\u00f3 th\u1ec3 g\u1eb7p nguy hi\u1ec3m.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1100163 elementor-widget elementor-widget-text-editor\" data-id=\"1100163\" 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. SSL v\u00e0 TLS kh\u00e1c nhau nh\u01b0 th\u1ebf n\u00e0o?<\/h3><p style=\"padding-left: 40px;\">TLS l\u00e0 phi\u00ean b\u1ea3n m\u1edbi h\u01a1n v\u00e0 an to\u00e0n h\u01a1n c\u1ee7a SSL, \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u nh\u1eb1m kh\u1eafc ph\u1ee5c c\u00e1c v\u1ea5n \u0111\u1ec1 b\u1ea3o m\u1eadt trong nh\u1eefng phi\u00ean b\u1ea3n SSL c\u0169. M\u1eb7c d\u00f9 ng\u00e0y nay TLS \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, nhi\u1ec1u ng\u01b0\u1eddi v\u1eabn g\u1ecdi c\u00f4ng ngh\u1ec7 n\u00e0y l\u00e0 SSL.<\/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>B\u1ea3o m\u1eadt l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a c\u00e1c doanh nghi\u1ec7p ng\u00e0y nay. C\u00e1c t\u1ed5 ch\u1ee9c v\u00e0 c\u00f4ng ty kh\u00f4ng ng\u1eebng t\u00ecm ki\u1ebfm gi\u1ea3i ph\u00e1p \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt v\u00e0 n\u00e2ng cao hi\u1ec7u qu\u1ea3 ho\u1ea1t \u0111\u1ed9ng t\u1ed5ng th\u1ec3. M\u1ed9t trong nh\u1eefng bi\u1ec7n ph\u00e1p quan tr\u1ecdng nh\u1ea5t m\u00e0 h\u1ecd c\u1ea7n th\u1ef1c hi\u1ec7n nghi\u00eam t\u00fac l\u00e0 tri\u1ec3n khai [\u2026]<\/p>\n","protected":false},"author":7,"featured_media":556,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1794","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>H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 SSL: C\u00e1ch ho\u1ea1t \u0111\u1ed9ng, HTTPS v\u00e0 b\u1ea3o m\u1eadt web<\/title>\n<meta name=\"description\" content=\"Ch\u1ee9ng ch\u1ec9 SSL l\u00e0 g\u00ec? T\u00ecm hi\u1ec3u c\u00e1ch SSL ho\u1ea1t \u0111\u1ed9ng, HTTPS t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt website ra sao v\u00e0 v\u00ec sao m\u00e3 h\u00f3a d\u1eef li\u1ec7u l\u00e0 thi\u1ebft y\u1ebfu \u0111\u1ec3 b\u1ea3o v\u1ec7 web.\" \/>\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\/what-is-ssl\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 SSL: C\u00e1ch ho\u1ea1t \u0111\u1ed9ng, HTTPS v\u00e0 b\u1ea3o m\u1eadt web\" \/>\n<meta property=\"og:description\" content=\"Ch\u1ee9ng ch\u1ec9 SSL l\u00e0 g\u00ec? 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