{"id":6906,"date":"2026-07-24T18:41:22","date_gmt":"2026-07-24T11:41:22","guid":{"rendered":"https:\/\/wpdesign.vn\/?p=6906"},"modified":"2026-07-24T18:42:35","modified_gmt":"2026-07-24T11:42:35","slug":"cai-dat-ssl-wordpress-huong-dan-hoan-chinh","status":"publish","type":"post","link":"https:\/\/wpdesign.vn\/vi\/cai-dat-ssl-wordpress-huong-dan-hoan-chinh\/","title":{"rendered":"H\u01b0\u1edbng D\u1eabn C\u00e0i \u0110\u1eb7t SSL WordPress Ho\u00e0n Ch\u1ec9nh \u2014 5 B\u01b0\u1edbc B\u1ea3o M\u1eadt B\u1eaft Bu\u1ed9c Cho Website T\u1ea1i Vi\u1ec7t Nam"},"content":{"rendered":"<p><strong>C\u00e0i \u0111\u1eb7t SSL WordPress<\/strong> l\u00e0 b\u01b0\u1edbc b\u1ea3o m\u1eadt \u0111\u1ea7u ti\u00ean c\u1ea7n ho\u00e0n thi\u1ec7n ngay t\u1eeb khi website \u0111i v\u00e0o ho\u1ea1t \u0111\u1ed9ng. Tuy nhi\u00ean, m\u00f4i tr\u01b0\u1eddng hosting t\u1ea1i Vi\u1ec7t Nam c\u00f3 m\u1ed9t s\u1ed1 \u0111i\u1ec3m kh\u00e1c bi\u1ec7t so v\u1edbi H\u00e0n Qu\u1ed1c khi\u1ebfn nhi\u1ec1u ch\u1ee7 doanh nghi\u1ec7p d\u1ec5 m\u1eafc b\u1eaby n\u1ebfu kh\u00f4ng n\u1eafm r\u00f5. Let&#8217;s Encrypt \u0111\u00f4i khi t\u1ef1 \u0111\u1ed9ng gia h\u1ea1n th\u1ea5t b\u1ea1i m\u00e0 kh\u00f4ng c\u00f3 b\u1ea5t k\u1ef3 c\u1ea3nh b\u00e1o n\u00e0o, ho\u1eb7c d\u00f9 \u0111\u00e3 c\u00e0i ch\u1ee9ng ch\u1ec9 SSL xong nh\u01b0ng bi\u1ec3u t\u01b0\u1ee3ng \u1ed5 kh\u00f3a v\u1eabn kh\u00f4ng xu\u1ea5t hi\u1ec7n v\u00ec l\u1ed7i Mixed Content \u2014 \u0111\u00e2y l\u00e0 nh\u1eefng t\u00ecnh hu\u1ed1ng x\u1ea3y ra kh\u00e1 ph\u1ed5 bi\u1ebfn tr\u00ean th\u1ef1c t\u1ebf. \u0110\u1eb7c bi\u1ec7t, n\u1ebfu b\u1ea1n mu\u1ed1n t\u00edch h\u1ee3p VNPay hay ZaloPay v\u00e0o WooCommerce, vi\u1ec7c chuy\u1ec3n ho\u00e0n to\u00e0n sang HTTPS l\u00e0 \u0111i\u1ec1u ki\u1ec7n b\u1eaft bu\u1ed9c \u0111\u1ec3 v\u01b0\u1ee3t qua v\u00f2ng th\u1ea9m duy\u1ec7t c\u1ee7a c\u1ed5ng thanh to\u00e1n. Ch\u1ec9 c\u1ea7n v\u01b0\u1edbng \u1edf b\u01b0\u1edbc n\u00e0y, to\u00e0n b\u1ed9 ti\u1ebfn \u0111\u1ed9 tri\u1ec3n khai thanh to\u00e1n s\u1ebd b\u1ecb \u0111\u1ea9y l\u00f9i. B\u00e0i vi\u1ebft n\u00e0y \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p t\u1eeb kinh nghi\u1ec7m th\u1ef1c chi\u1ebfn t\u1ea1i Th\u00e0nh ph\u1ed1 H\u1ed3 Ch\u00ed Minh, h\u01b0\u1edbng d\u1eabn b\u1ea1n ho\u00e0n thi\u1ec7n <strong>c\u00e0i \u0111\u1eb7t SSL WordPress<\/strong> cho website t\u1ea1i Vi\u1ec7t Nam theo \u0111\u00fang 5 b\u01b0\u1edbc chu\u1ea9n th\u1ef1c t\u1ebf.<\/p>\n<hr>\n<blockquote>\n<p><strong>T\u00f3m t\u1eaft b\u00e0i vi\u1ebft trong 3 d\u00f2ng<\/strong><br \/>\n&#8211; L\u1ed7i Mixed Content v\u00e0 redirect loop sau khi c\u00e0i SSL l\u00e0 hai v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn nh\u1ea5t tr\u00ean c\u00e1c website v\u1eadn h\u00e0nh t\u1ea1i Vi\u1ec7t Nam.<br \/>\n&#8211; T\u1eeb ch\u1ee9ng ch\u1ec9 mi\u1ec5n ph\u00ed Let&#8217;s Encrypt \u0111\u1ebfn SSL th\u01b0\u01a1ng m\u1ea1i tr\u1ea3 ph\u00ed \u2014 b\u00e0i vi\u1ebft \u0111\u01b0a ra ti\u00eau ch\u00ed l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p v\u1edbi m\u00f4i tr\u01b0\u1eddng hosting Vi\u1ec7t Nam.<br \/>\n&#8211; Ph\u1ea3i ho\u00e0n t\u1ea5t chuy\u1ec3n \u0111\u1ed5i HTTPS to\u00e0n di\u1ec7n tr\u01b0\u1edbc khi t\u00edch h\u1ee3p thanh to\u00e1n WooCommerce th\u00ec m\u1edbi v\u01b0\u1ee3t \u0111\u01b0\u1ee3c v\u00f2ng th\u1ea9m duy\u1ec7t c\u1ee7a VNPay v\u00e0 ZaloPay.<\/p>\n<\/blockquote>\n<hr>\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/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 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/wpdesign.vn\/vi\/cai-dat-ssl-wordpress-huong-dan-hoan-chinh\/#Muc_Luc\" >M\u1ee5c L\u1ee5c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/wpdesign.vn\/vi\/cai-dat-ssl-wordpress-huong-dan-hoan-chinh\/#1_Cai_Dat_SSL_WordPress_%E2%80%94_Diem_Khac_Biet_Trong_Moi_Truong_Viet_Nam\" >1. C\u00e0i \u0110\u1eb7t SSL WordPress \u2014 \u0110i\u1ec3m Kh\u00e1c Bi\u1ec7t Trong M\u00f4i Tr\u01b0\u1eddng Vi\u1ec7t Nam<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/wpdesign.vn\/vi\/cai-dat-ssl-wordpress-huong-dan-hoan-chinh\/#2_Chon_Loai_Chung_Chi_%E2%80%94_Lets_Encrypt_vs_SSL_Tra_Phi\" >2. Ch\u1ecdn Lo\u1ea1i Ch\u1ee9ng Ch\u1ec9 \u2014 Let&#8217;s Encrypt vs SSL Tr\u1ea3 Ph\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/wpdesign.vn\/vi\/cai-dat-ssl-wordpress-huong-dan-hoan-chinh\/#3_Buoc_1_Phat_Hanh_va_Cai_SSL_Tren_Control_Panel_Hosting\" >3. B\u01b0\u1edbc 1: Ph\u00e1t H\u00e0nh v\u00e0 C\u00e0i SSL Tr\u00ean Control Panel Hosting<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/wpdesign.vn\/vi\/cai-dat-ssl-wordpress-huong-dan-hoan-chinh\/#4_Buoc_2%E2%80%933_Xoa_Mixed_Content_va_Chuyen_Huong_HTTP%E2%86%92HTTPS\" >4. B\u01b0\u1edbc 2\u20133: X\u00f3a Mixed Content v\u00e0 Chuy\u1ec3n H\u01b0\u1edbng HTTP\u2192HTTPS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/wpdesign.vn\/vi\/cai-dat-ssl-wordpress-huong-dan-hoan-chinh\/#%ED%95%A8%EA%BB%98_%EC%9D%BD%EA%B8%B0\" >\ud568\uaed8 \uc77d\uae30<\/a><\/li><\/ul><\/nav><\/div>\n<h2 id=\"muc-luc\"><span class=\"ez-toc-section\" id=\"Muc_Luc\"><\/span>M\u1ee5c L\u1ee5c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ol>\n<li><a href=\"#section1\">C\u00e0i \u0110\u1eb7t SSL WordPress \u2014 \u0110i\u1ec3m Kh\u00e1c Bi\u1ec7t Trong M\u00f4i Tr\u01b0\u1eddng Vi\u1ec7t Nam<\/a><\/li>\n<li><a href=\"#section2\">Ch\u1ecdn Lo\u1ea1i Ch\u1ee9ng Ch\u1ec9 \u2014 Let&#8217;s Encrypt vs SSL Tr\u1ea3 Ph\u00ed<\/a><\/li>\n<li><a href=\"#section3\">B\u01b0\u1edbc 1: Ph\u00e1t H\u00e0nh v\u00e0 C\u00e0i SSL Tr\u00ean Control Panel Hosting<\/a><\/li>\n<li><a href=\"#section4\">B\u01b0\u1edbc 2\u20133: X\u00f3a Mixed Content v\u00e0 Chuy\u1ec3n H\u01b0\u1edbng HTTP\u2192HTTPS<\/a><\/li>\n<li><a href=\"#section5\">B\u01b0\u1edbc 4\u20135: Ki\u1ec3m Tra Cu\u1ed1i C\u00f9ng Tr\u01b0\u1edbc Khi T\u00edch H\u1ee3p Thanh To\u00e1n WooCommerce<\/a><\/li>\n<li><a href=\"#section6\">Ng\u0103n Ch\u1eb7n L\u1ed7i T\u1ef1 \u0110\u1ed9ng Gia H\u1ea1n \u2014 3 L\u01b0u \u00dd Quan Tr\u1ecdng V\u1edbi Hosting Vi\u1ec7t Nam<\/a><\/li>\n<\/ol>\n<hr>\n<h2 id=\"section1\"><span class=\"ez-toc-section\" id=\"1_Cai_Dat_SSL_WordPress_%E2%80%94_Diem_Khac_Biet_Trong_Moi_Truong_Viet_Nam\"><\/span>1. C\u00e0i \u0110\u1eb7t SSL WordPress \u2014 \u0110i\u1ec3m Kh\u00e1c Bi\u1ec7t Trong M\u00f4i Tr\u01b0\u1eddng Vi\u1ec7t Nam<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure class=\"wp-block-image size-large\">\n  <img decoding=\"async\" src=\"https:\/\/wpdesign.vn\/wp-content\/uploads\/2026\/07\/02_s1-140.jpg\" alt=\"c\u00e0i \u0111\u1eb7t SSL WordPress vietnam hosting ssl panel\" \/><br \/>\n<\/figure>\n<p>V\u1edbi hosting trong n\u01b0\u1edbc t\u1ea1i H\u00e0n Qu\u1ed1c nh\u01b0 Cafe24 hay Gabia, vi\u1ec7c c\u00e0i SSL th\u01b0\u1eddng ch\u1ec9 c\u1ea7n nh\u1ea5n m\u1ed9t n\u00fat duy nh\u1ea5t l\u00e0 xong. Trong khi \u0111\u00f3, c\u00e1c nh\u00e0 cung c\u1ea5p hosting t\u1ea1i Vi\u1ec7t Nam nh\u01b0 Azdigi, VinaHost hay M\u1eaft B\u00e3o l\u1ea1i s\u1eed d\u1ee5ng nhi\u1ec1u phi\u00ean b\u1ea3n cPanel kh\u00e1c nhau, v\u00e0 m\u1ed9t s\u1ed1 g\u00f3i gi\u00e1 r\u1ebb th\u1eadm ch\u00ed kh\u00f4ng c\u00f3 giao di\u1ec7n ph\u00e1t h\u00e0nh Let&#8217;s Encrypt t\u1ef1 \u0111\u1ed9ng. Theo th\u1ef1c t\u1ebf t\u1ea1i WPdesign, trong s\u1ed1 c\u00e1c d\u1ef1 \u00e1n tri\u1ec3n khai t\u1ea1i TP.HCM, kho\u1ea3ng 40% tr\u01b0\u1eddng h\u1ee3p kh\u00f4ng th\u1ec3 ph\u00e1t h\u00e0nh Let&#8217;s Encrypt th\u00e0nh c\u00f4ng ngay \u1edf l\u1ea7n \u0111\u1ea7u do v\u1ea5n \u0111\u1ec1 c\u1ea5u h\u00ecnh cPanel t\u1eeb ph\u00eda nh\u00e0 cung c\u1ea5p hosting. Nh\u1eadn th\u1ee9c r\u00f5 \u0111i\u1ec1u n\u00e0y ngay t\u1eeb \u0111\u1ea7u s\u1ebd gi\u00fap b\u1ea1n tr\u00e1nh l\u00e3ng ph\u00ed th\u1eddi gian kh\u00f4ng c\u1ea7n thi\u1ebft.<\/p>\n<p>Ngo\u00e0i ra, n\u1ebfu b\u1ea1n \u0111ang d\u00f9ng CDN Cloudflare (g\u00f3i mi\u1ec5n ph\u00ed) k\u1ebft h\u1ee3p v\u1edbi hosting t\u1ea1i Vi\u1ec7t Nam, c\u1ea7n \u0111\u1eb7c bi\u1ec7t l\u01b0u \u00fd ch\u1ebf \u0111\u1ed9 SSL c\u1ee7a Cloudflare. N\u1ebfu \u0111\u1ec3 \u1edf ch\u1ebf \u0111\u1ed9 <strong>Flexible<\/strong>, k\u1ebft n\u1ed1i gi\u1eefa m\u00e1y ch\u1ee7 g\u1ed1c v\u00e0 Cloudflare v\u1eabn \u0111i qua HTTP \u2014 b\u1ea3o m\u1eadt ch\u1ec9 \u0111\u01b0\u1ee3c m\u1ed9t n\u1eeda. B\u1ea1n ph\u1ea3i chuy\u1ec3n sang ch\u1ebf \u0111\u1ed9 <strong>Full (Strict)<\/strong> th\u00ec m\u1edbi \u0111\u1ea3m b\u1ea3o m\u00e3 h\u00f3a end-to-end ho\u00e0n to\u00e0n t\u1eeb \u0111\u1ea7u \u0111\u1ebfn cu\u1ed1i.<\/p>\n<hr>\n<h2 id=\"section2\"><span class=\"ez-toc-section\" id=\"2_Chon_Loai_Chung_Chi_%E2%80%94_Lets_Encrypt_vs_SSL_Tra_Phi\"><\/span>2. Ch\u1ecdn Lo\u1ea1i Ch\u1ee9ng Ch\u1ec9 \u2014 Let&#8217;s Encrypt vs SSL Tr\u1ea3 Ph\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure class=\"wp-block-image size-large\">\n  <img decoding=\"async\" src=\"https:\/\/wpdesign.vn\/wp-content\/uploads\/2026\/07\/03_s2-138.jpg\" alt=\"ssl certificate comparison chart\" \/><br \/>\n<\/figure>\n<table>\n<thead>\n<tr>\n<th>Ti\u00eau ch\u00ed<\/th>\n<th>Let&#8217;s Encrypt (Mi\u1ec5n ph\u00ed)<\/th>\n<th>SSL Th\u01b0\u01a1ng m\u1ea1i DV<\/th>\n<th>SSL Th\u01b0\u01a1ng m\u1ea1i OV\/EV<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Chi ph\u00ed<\/td>\n<td>Mi\u1ec5n ph\u00ed<\/td>\n<td>$10\u2013$70\/n\u0103m (~200.000\u20131.400.000 VN\u0110)<\/td>\n<td>$100\u2013$500+\/n\u0103m (~2\u201310 tri\u1ec7u \u0111\u1ed3ng)<\/td>\n<\/tr>\n<tr>\n<td>Th\u1eddi h\u1ea1n<\/td>\n<td>90 ng\u00e0y (t\u1ef1 \u0111\u1ed9ng gia h\u1ea1n)<\/td>\n<td>1 n\u0103m<\/td>\n<td>1\u20132 n\u0103m<\/td>\n<\/tr>\n<tr>\n<td>M\u1ee9c x\u00e1c th\u1ef1c<\/td>\n<td>X\u00e1c minh t\u00ean mi\u1ec1n<\/td>\n<td>X\u00e1c minh t\u00ean mi\u1ec1n<\/td>\n<td>X\u00e1c minh ph\u00e1p nh\u00e2n doanh nghi\u1ec7p<\/td>\n<\/tr>\n<tr>\n<td>Ph\u00f9 h\u1ee3p WooCommerce<\/td>\n<td>\u2705 \u0110\u1ee7 d\u00f9ng<\/td>\n<td>\u2705 \u0110\u1ee7 d\u00f9ng<\/td>\n<td>\u2705 Khuy\u1ebfn ngh\u1ecb B2B &amp; t\u00e0i ch\u00ednh<\/td>\n<\/tr>\n<tr>\n<td>V\u01b0\u1ee3t th\u1ea9m duy\u1ec7t c\u1ed5ng thanh to\u00e1n VN<\/td>\n<td>\u2705 VNPay \u00b7 ZaloPay OK<\/td>\n<td>\u2705 OK<\/td>\n<td>\u2705 OK<\/td>\n<\/tr>\n<tr>\n<td>R\u1ee7i ro gia h\u1ea1n t\u1ef1 \u0111\u1ed9ng th\u1ea5t b\u1ea1i<\/td>\n<td>Trung b\u00ecnh (ph\u1ee5 thu\u1ed9c hosting)<\/td>\n<td>Th\u1ea5p<\/td>\n<td>Th\u1ea5p<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0110\u1ed1i v\u1edbi ph\u1ea7n l\u1edbn c\u00e1c shop th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed v\u1eeba v\u00e0 nh\u1ecf \u0111ang ho\u1ea1t \u0111\u1ed9ng t\u1ea1i Vi\u1ec7t Nam, Let&#8217;s Encrypt l\u00e0 ho\u00e0n to\u00e0n \u0111\u1ee7 d\u00f9ng. Tuy nhi\u00ean c\u1ea7n l\u01b0u \u00fd: <strong>n\u1ebfu t\u1ef1 \u0111\u1ed9ng gia h\u1ea1n b\u1ecb gi\u00e1n \u0111o\u1ea1n, to\u00e0n b\u1ed9 website s\u1ebd hi\u1ec3n th\u1ecb c\u1ea3nh b\u00e1o b\u1ea3o m\u1eadt v\u00e0 kh\u00e1ch h\u00e0ng kh\u00f4ng th\u1ec3 truy c\u1eadp<\/strong>, v\u00ec v\u1eady vi\u1ec7c gi\u00e1m s\u00e1t gia h\u1ea1n l\u00e0 b\u1eaft bu\u1ed9c. V\u1edbi c\u00e1c doanh nghi\u1ec7p giao d\u1ecbch B2B ho\u1eb7c nh\u1eadn thanh to\u00e1n b\u1eb1ng th\u1ebb doanh nghi\u1ec7p, n\u00ean c\u00e2n nh\u1eafc n\u00e2ng l\u00ean ch\u1ee9ng ch\u1ec9 OV \u0111\u1ec3 t\u0103ng m\u1ee9c \u0111\u1ed9 tin c\u1eady.<\/p>\n<hr>\n<h2 id=\"section3\"><span class=\"ez-toc-section\" id=\"3_Buoc_1_Phat_Hanh_va_Cai_SSL_Tren_Control_Panel_Hosting\"><\/span>3. B\u01b0\u1edbc 1: Ph\u00e1t H\u00e0nh v\u00e0 C\u00e0i SSL Tr\u00ean Control Panel Hosting<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure class=\"wp-block-image size-large\">\n  <img decoding=\"async\" src=\"https:\/\/wpdesign.vn\/wp-content\/uploads\/2026\/07\/04_s3-137.jpg\" alt=\"cpanel ssl installation vietnam\" \/><br \/>\n<\/figure>\n<p><strong>Quy tr\u00ecnh ph\u00e1t h\u00e0nh tr\u00ean cPanel:<\/strong><\/p>\n<ol>\n<li>V\u00e0o cPanel \u2192 <strong>SSL\/TLS<\/strong> \u2192 <strong>Let&#8217;s Encrypt\u2122 SSL<\/strong><\/li>\n<li>Ch\u1ecdn t\u00ean mi\u1ec1n r\u1ed3i nh\u1ea5n <strong>Issue<\/strong><\/li>\n<li>Sau khi ph\u00e1t h\u00e0nh xong, ki\u1ec3m tra tr\u1ea1ng th\u00e1i <strong>AutoSSL<\/strong> hi\u1ec3n th\u1ecb <code>Certificate Installed<\/code><\/li>\n<li>M\u1edf tr\u00ecnh duy\u1ec7t truy c\u1eadp <code>https:\/\/yourdomain.com<\/code> \u2192 x\u00e1c nh\u1eadn bi\u1ec3u t\u01b0\u1ee3ng \u1ed5 kh\u00f3a xu\u1ea5t hi\u1ec7n<\/li>\n<\/ol>\n<p><strong>C\u00e1c \u0111i\u1ec3m ki\u1ec3m tra khi ph\u00e1t h\u00e0nh th\u1ea5t b\u1ea1i:<\/strong><br \/>\n&#8211; X\u00e1c minh DNS A record \u0111ang tr\u1ecf \u0111\u00fang v\u1ec1 IP m\u00e1y ch\u1ee7 (n\u1ebfu Cloudflare proxy \u0111ang b\u1eadt, h\u00e3y t\u1eaft t\u1ea1m th\u1eddi tr\u01b0\u1edbc khi ph\u00e1t h\u00e0nh)<br \/>\n&#8211; N\u1ebfu nh\u00e0 cung c\u1ea5p hosting kh\u00f4ng h\u1ed7 tr\u1ee3 AutoSSL, c\u1ea7n y\u00eau c\u1ea7u ph\u00e1t h\u00e0nh th\u1ee7 c\u00f4ng b\u1eb1ng <strong>Certbot<\/strong> ho\u1eb7c n\u00e2ng c\u1ea5p g\u00f3i hosting<br \/>\n&#8211; N\u1ebfu phi\u00ean b\u1ea3n cPanel th\u1ea5p h\u01a1n 94, s\u1eed d\u1ee5ng ph\u01b0\u01a1ng th\u1ee9c t\u1ea3i l\u00ean ch\u1ee9ng ch\u1ec9 th\u1ee7 c\u00f4ng<\/p>\n<p>Th\u1ef1c t\u1ebf \u0111\u00e3 c\u00f3 tr\u01b0\u1eddng h\u1ee3p g\u00f3i shared hosting Basic c\u1ee7a Azdigi b\u1ecb ch\u1eb7n Certbot \u2014 gi\u1ea3i ph\u00e1p l\u00e0 chuy\u1ec3n t\u00ean mi\u1ec1n v\u1ec1 Cloudflare r\u1ed3i ph\u00e1t h\u00e0nh Cloudflare Origin Certificate \u0111\u1ec3 kh\u1eafc ph\u1ee5c.<\/p>\n<hr>\n<h2 id=\"section4\"><span class=\"ez-toc-section\" id=\"4_Buoc_2%E2%80%933_Xoa_Mixed_Content_va_Chuyen_Huong_HTTP%E2%86%92HTTPS\"><\/span>4. B\u01b0\u1edbc 2\u20133: X\u00f3a Mixed Content v\u00e0 Chuy\u1ec3n H\u01b0\u1edbng HTTP\u2192HTTPS<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure class=\"wp-block-image size-large\">\n  <img decoding=\"async\" src=\"https:\/\/wpdesign.vn\/wp-content\/uploads\/2026\/07\/05_s4-131.jpg\" alt=\"mixed content wordpress fix\" \/><br \/>\n<\/figure>\n<p>Nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn nh\u1ea5t khi\u1ebfn bi\u1ec3u t\u01b0\u1ee3ng \u1ed5 kh\u00f3a v\u1eabn hi\u1ec7n tr\u1ea1ng th\u00e1i c\u1ea3nh b\u00e1o (\u26a0\ufe0f Not Secure) sau khi c\u00e0i SSL ch\u00ednh l\u00e0 <strong>Mixed Content<\/strong>. \u0110i\u1ec1u n\u00e0y x\u1ea3y ra khi c\u00e1c URL h\u00ecnh \u1ea3nh, CSS ho\u1eb7c JS \u0111\u01b0\u1ee3c l\u01b0u trong c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u1edbi ti\u1ec1n t\u1ed1 <code>http:\/\/<\/code> v\u00e0 v\u1eabn \u0111\u01b0\u1ee3c g\u1ecdi nh\u01b0 v\u1eady tr\u00ean trang HTTPS.<\/p>\n<p><strong>B\u01b0\u1edbc 2 \u2014 X\u1eed l\u00fd Mixed Content h\u00e0ng lo\u1ea1t:<\/strong><\/p>\n<p>Plugin \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb: <strong>Really Simple SSL<\/strong> ho\u1eb7c <strong>Better Search Replace<\/strong><\/p>\n<ul>\n<li><strong>Really Simple SSL<\/strong>: K\u00edch ho\u1ea1t plugin \u2192 t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n \u0111\u1ed5i to\u00e0n b\u1ed9 URL <code>http:\/\/<\/code> trong database v\u00e0 th\u00eam header HTTPS. Ph\u00f9 h\u1ee3p v\u1edbi ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng quen thao t\u00e1c k\u1ef9 thu\u1eadt.<\/li>\n<li><strong>Better Search Replace<\/strong>: V\u00e0o Tools \u2192 Better Search Replace \u2192 t\u00ecm <code>http:\/\/yourdomain.com<\/code> v\u00e0 thay b\u1eb1ng <code>https:\/\/yourdomain.com<\/code> trong to\u00e0n b\u1ed9 b\u1ea3ng c\u1ee7a database. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y cho ph\u00e9p ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c h\u01a1n.<\/li>\n<\/ul>\n<p>Ngo\u00e0i ra, h\u00e3y ki\u1ec3m tra th\u00eam b\u1eb1ng <strong>Chrome DevTools<\/strong> (F12 \u2192 Console) \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c t\u00e0i nguy\u00ean <code>http:\/\/<\/code> \u0111\u01b0\u1ee3c t\u1ea3i t\u1eeb domain b\u00ean ngo\u00e0i \u2014 \u0111\u00e2y l\u00e0 tr\u01b0\u1eddng h\u1ee3p plugin kh\u00f4ng th\u1ec3 x\u1eed l\u00fd t\u1ef1 \u0111\u1ed9ng v\u00e0 c\u1ea7n ch\u1ec9nh s\u1eeda th\u1ee7 c\u00f4ng trong code theme ho\u1eb7c plugin.<\/p>\n<p><strong>B\u01b0\u1edbc 3 \u2014 Thi\u1ebft l\u1eadp chuy\u1ec3n h\u01b0\u1edbng HTTP\u2192HTTPS:<\/strong><\/p>\n<p>Th\u00eam \u0111o\u1ea1n code sau v\u00e0o file <code>.htaccess<\/code> (d\u00e0nh cho Apache \u2014 ph\u1ed5 bi\u1ebfn t\u1ea1i h\u1ea7u h\u1ebft hosting Vi\u1ec7t Nam):<\/p>\n<h2 id=\"_1\"><span class=\"ez-toc-section\" id=\"%ED%95%A8%EA%BB%98_%EC%9D%BD%EA%B8%B0\"><\/span>\ud568\uaed8 \uc77d\uae30<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><a href=\"https:\/\/wpdesign.vn\/vi\/cai-dat-ssl-wordpress-huong-dan-hoan-chinh\/\">\uc6cc\ub4dc\ud504\ub808\uc2a4 SSL \uc778\uc99d\uc11c \uc124\uc815 \uc644\ubcbd \uac00\uc774\ub4dc \u2014 \ubca0\ud2b8\ub0a8 \uc0ac\uc774\ud2b8 \ud544\uc218 \ubcf4\uc548 5\ub2e8\uacc4 \ucd1d\uc815\ub9ac<\/a><\/li>\n<li><a href=\"https:\/\/wpdesign.vn\/vi\/chan-doan-loi-404-wordpress\/\">\uc6cc\ub4dc\ud504\ub808\uc2a4 404 \uc624\ub958 \uc644\ubcbd \uc9c4\ub2e8 \u2014 \ubca0\ud2b8\ub0a8 \uc0ac\uc774\ud2b8 \ud544\uc218 \uc810\uac80 6\ub2e8\uacc4<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>H\u01b0\u1edbng d\u1eabn c\u00e0i \u0111\u1eb7t SSL WordPress cho website t\u1ea1i Vi\u1ec7t Nam theo 5 b\u01b0\u1edbc th\u1ef1c t\u1ebf. X\u1eed l\u00fd l\u1ed7i Mixed Content, redirect loop v\u00e0 t\u00edch h\u1ee3p VNPay d\u1ef1a tr\u00ean kinh nghi\u1ec7m th\u1ef1c<\/p>\n","protected":false},"author":1,"featured_media":6900,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"rank_math_focus_keyword":"c\u00e0i \u0111\u1eb7t SSL WordPress","rank_math_title":"C\u00e0i \u0110\u1eb7t SSL WordPress Ho\u00e0n Ch\u1ec9nh \u2014 5 B\u01b0\u1edbc Cho Website Vi\u1ec7t Nam","rank_math_description":"H\u01b0\u1edbng d\u1eabn c\u00e0i \u0111\u1eb7t SSL WordPress cho website t\u1ea1i Vi\u1ec7t Nam theo 5 b\u01b0\u1edbc th\u1ef1c t\u1ebf. X\u1eed l\u00fd l\u1ed7i Mixed Content, redirect loop v\u00e0 t\u00edch h\u1ee3p VNPay d\u1ef1a tr\u00ean kinh nghi\u1ec7m th\u1ef1c chi\u1ebfn t\u1ea1i TP.HCM. Xem ngay!","rank_math_canonical_url":"","rank_math_facebook_title":"","rank_math_facebook_description":"","rank_math_twitter_title":"","rank_math_twitter_description":"","_yoast_wpseo_focuskw":"","_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","footnotes":""},"categories":[421,161],"tags":[425,427,426,166,448,113,269,445,120,90],"class_list":["post-6906","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tips","tag-bao-mat","tag-https","tag-ssl","tag-tips","tag-tp-hcm","tag-website-viet-nam","tag-woocommerce","tag-wordpress"],"acf":[],"_links":{"self":[{"href":"https:\/\/wpdesign.vn\/vi\/wp-json\/wp\/v2\/posts\/6906","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wpdesign.vn\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wpdesign.vn\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wpdesign.vn\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wpdesign.vn\/vi\/wp-json\/wp\/v2\/comments?post=6906"}],"version-history":[{"count":2,"href":"https:\/\/wpdesign.vn\/vi\/wp-json\/wp\/v2\/posts\/6906\/revisions"}],"predecessor-version":[{"id":7048,"href":"https:\/\/wpdesign.vn\/vi\/wp-json\/wp\/v2\/posts\/6906\/revisions\/7048"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wpdesign.vn\/vi\/wp-json\/wp\/v2\/media\/6900"}],"wp:attachment":[{"href":"https:\/\/wpdesign.vn\/vi\/wp-json\/wp\/v2\/media?parent=6906"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wpdesign.vn\/vi\/wp-json\/wp\/v2\/categories?post=6906"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wpdesign.vn\/vi\/wp-json\/wp\/v2\/tags?post=6906"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}