{"id":16688,"date":"2025-10-24T10:10:55","date_gmt":"2025-10-24T03:10:55","guid":{"rendered":"https:\/\/interdata.vn\/blog\/?p=16688"},"modified":"2026-07-29T14:55:25","modified_gmt":"2026-07-29T07:55:25","slug":"chung-chi-ssl","status":"publish","type":"post","link":"https:\/\/interdata.vn\/blog\/chung-chi-ssl\/","title":{"rendered":"Ch\u1ee9ng Ch\u1ec9 SSL L\u00e0 G\u00ec? C\u00e1c Lo\u1ea1i, L\u1ee3i \u00cdch V\u00e0 C\u00e1ch Ch\u1ecdn \u0110\u00fang Cho Website"},"content":{"rendered":"\n\n<style>\n.interdata-plan-carousel,.interdata-plan-carousel *{box-sizing:border-box}\n.interdata-plan-carousel{--blue:#005bea;--blue-dark:#004dcc;--text:#071832;--muted:#516173;--border:#d8e6fb;--bg:#f3f8ff;--shadow:0 5px 14px rgba(0,62,145,.08);container-type:inline-size;background:var(--bg);padding:14px 40px 18px;position:relative;overflow:hidden}\n.interdata-carousel-heading{color:#f00;font-family:Roboto,sans-serif;font-size:18px;line-height:1.35;font-weight:800;text-align:center;margin:0 0 14px}\n.interdata-plan-viewport{overflow:hidden;width:100%}\n.interdata-plan-track{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding:0 0 4px}\n.interdata-plan-track::-webkit-scrollbar{display:none}\n.interdata-plan-card{flex:0 0 calc((100% - 36px)\/4);min-width:0;background:#fff;border:1px solid var(--border);border-radius:8px;padding:15px 10px 13px;min-height:370px;display:flex;flex-direction:column;scroll-snap-align:start;box-shadow:var(--shadow)}\n.interdata-plan-title{color:var(--blue-dark);font-size:16px;line-height:1.22;font-weight:800;text-align:center;margin:0 0 7px;text-transform:uppercase;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}\n.interdata-plan-price{color:var(--blue-dark);font-size:24px;line-height:1;font-weight:900;text-align:center;margin-bottom:12px;white-space:nowrap;letter-spacing:0}\n.interdata-plan-price span{font-size:10px;font-weight:800;margin-left:2px}\n.interdata-plan-badge{align-self:center;display:inline-flex;align-items:center;justify-content:center;background:#ff3934;color:#fff;border-radius:5px;padding:7px 8px;font-size:9px;line-height:1;font-weight:800;margin-bottom:15px;white-space:nowrap;max-width:100%}\n.interdata-plan-features{list-style:none!important;padding:0!important;margin:0!important}\n.interdata-plan-features li{display:flex;gap:7px;align-items:flex-start;color:var(--text);font-size:12px;line-height:1.35;font-weight:700;text-align:left;margin:0 0 10px!important;padding:0!important}\n.interdata-plan-icon{width:14px;min-width:14px;height:14px;color:#0069ff;margin-top:2px}\n.interdata-plan-icon svg{display:block;width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}\n.interdata-plan-spacer{flex:1;min-height:16px}\n.interdata-plan-button{display:flex;align-items:center;justify-content:center;min-height:42px;width:100%;background:var(--blue);color:#fff!important;border-radius:5px;font-size:13px;font-weight:800;text-decoration:none!important;box-shadow:0 7px 14px rgba(0,91,234,.24);transition:transform .2s ease,background 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svg{display:none!important}\n.interdata-carousel-arrow:before{content:none!important;display:none!important}\n.interdata-carousel-mark{display:block!important;color:#fff!important;font-family:Arial,Helvetica,sans-serif!important;font-size:38px!important;font-weight:900!important;line-height:1!important;text-align:center!important;pointer-events:none!important;transform:translateY(-2px)}\n.interdata-carousel-prev{left:14px}\n.interdata-carousel-prev .interdata-carousel-mark{margin-left:-2px}\n.interdata-carousel-next{right:14px}\n.interdata-carousel-next .interdata-carousel-mark{margin-right:-2px}\n@container (max-width:640px){.interdata-plan-carousel{padding:12px 38px 16px}.interdata-plan-card{flex-basis:calc((100% - 12px)\/2);min-height:370px}.interdata-carousel-heading{font-size:16px}}\n@container (max-width:480px){.interdata-plan-carousel{padding:12px 34px 16px}.interdata-plan-card{flex-basis:100%;min-height:360px}.interdata-plan-price{font-size:25px}.interdata-carousel-arrow{width:34px;height:44px}.interdata-carousel-mark{font-size:32px!important}.interdata-carousel-prev{left:5px}.interdata-carousel-next{right:5px}}\n<\/style>\n\n<div class=\"interdata-plan-carousel\" data-interdata-carousel>\n  <div class=\"interdata-carousel-heading\">Si\u00eau \u01afu \u0110\u00e3i VPS \/ CLOUD SERVER - Ti\u1ebft Ki\u1ec7m \u0110\u1ebfn 70%<\/div>\n\n  <svg width=\"0\" height=\"0\" style=\"position:absolute;visibility:hidden\" aria-hidden=\"true\">\n    <symbol id=\"id-icon-cpu\" viewBox=\"0 0 24 24\"><rect x=\"7\" y=\"7\" width=\"10\" height=\"10\" rx=\"2\"><\/rect><path d=\"M4 9h3M4 15h3M17 9h3M17 15h3M9 4v3M15 4v3M9 17v3M15 17v3\"><\/path><path d=\"M10 10h4v4h-4z\"><\/path><\/symbol>\n    <symbol id=\"id-icon-ram\" viewBox=\"0 0 24 24\"><rect x=\"4\" y=\"8\" width=\"16\" height=\"8\" rx=\"2\"><\/rect><path d=\"M7 16v2M11 16v2M15 16v2M19 16v2M7 11h1M11 11h1M15 11h1\"><\/path><\/symbol>\n    <symbol id=\"id-icon-storage\" viewBox=\"0 0 24 24\"><rect x=\"6\" y=\"3\" width=\"12\" height=\"18\" rx=\"2\"><\/rect><path d=\"M9 7h6\"><\/path><circle cx=\"12\" cy=\"16\" r=\"1.5\"><\/circle><\/symbol>\n    <symbol id=\"id-icon-network\" viewBox=\"0 0 24 24\"><path d=\"M5 12.5a10 10 0 0 1 14 0\"><\/path><path d=\"M8.5 16a5 5 0 0 1 7 0\"><\/path><path d=\"M12 19h.01\"><\/path><\/symbol>\n    <symbol id=\"id-icon-gift\" viewBox=\"0 0 24 24\"><rect x=\"3\" y=\"8\" width=\"18\" height=\"13\" rx=\"2\"><\/rect><path d=\"M12 8v13M3 12h18\"><\/path><path d=\"M7.5 8C6.1 8 5 6.9 5 5.5S6.1 3 7.5 3C10 3 12 8 12 8\"><\/path><path d=\"M16.5 8C17.9 8 19 6.9 19 5.5S17.9 3 16.5 3C14 3 12 8 12 8\"><\/path><\/symbol>\n  <\/svg>\n\n  <button class=\"interdata-carousel-arrow interdata-carousel-prev\" type=\"button\" aria-label=\"Xem 4 g\u00f3i tr\u01b0\u1edbc\">\n    <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M15 18l-6-6 6-6\"><\/path><\/svg>\n    <span class=\"interdata-carousel-mark\" aria-hidden=\"true\">&#8249;<\/span>\n  <\/button>\n\n  <div class=\"interdata-plan-viewport\">\n    <div class=\"interdata-plan-track\">\n      <article class=\"interdata-plan-card\">\n        <h3 class=\"interdata-plan-title\">Premium Base<\/h3>\n        <div class=\"interdata-plan-price\">299K<span>\/3 th\u00e1ng<\/span><\/div>\n        <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n        <ul class=\"interdata-plan-features\">\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>2 vCore Intel<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>2GB RAM<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>30GB SSD NVMe<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Network: 300Mbps<\/li>\n        <\/ul>\n        <div class=\"interdata-plan-spacer\"><\/div>\n        <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/index.php?rp=\/store\/best-value-plans-2026\/best-value-plans-premium-base\" target=\"_blank\" rel=\"nofollow sponsored noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n      <\/article>\n\n      <article class=\"interdata-plan-card\">\n        <h3 class=\"interdata-plan-title\">Premium Base<\/h3>\n        <div class=\"interdata-plan-price\">999K<span>\/n\u0103m<\/span><\/div>\n        <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n        <ul class=\"interdata-plan-features\">\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>3 vCore Intel<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>3GB RAM<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>30GB SSD NVMe<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Network: 300Mbps<\/li>\n        <\/ul>\n        <div class=\"interdata-plan-spacer\"><\/div>\n        <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/index.php?rp=\/store\/cyber-week-2026\/premium-base\" target=\"_blank\" rel=\"nofollow sponsored noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n      <\/article>\n\n      <article class=\"interdata-plan-card\">\n        <h3 class=\"interdata-plan-title\">Premium Pro<\/h3>\n        <div class=\"interdata-plan-price\">2.599K<span>\/n\u0103m<\/span><\/div>\n        <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n        <ul class=\"interdata-plan-features\">\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>6 vCore Intel<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>8GB RAM<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>80GB SSD NVMe<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Network: 350Mbps<\/li>\n        <\/ul>\n        <div class=\"interdata-plan-spacer\"><\/div>\n        <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/index.php?rp=\/store\/cyber-week-2026\/premium-pro\" target=\"_blank\" rel=\"nofollow sponsored noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n      <\/article>\n\n      <article class=\"interdata-plan-card\">\n        <h3 class=\"interdata-plan-title\">Premium Ultra<\/h3>\n        <div class=\"interdata-plan-price\">5.679K<span>\/n\u0103m<\/span><\/div>\n        <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n        <ul class=\"interdata-plan-features\">\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>12 vCore Intel<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>16GB RAM<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>180GB SSD NVMe<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Network: 450Mbps<\/li>\n        <\/ul>\n        <div class=\"interdata-plan-spacer\"><\/div>\n        <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/index.php?rp=\/store\/cyber-week-2026\/premium-ultra\" target=\"_blank\" rel=\"nofollow sponsored noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n      <\/article>\n\n      <article class=\"interdata-plan-card\">\n        <h3 class=\"interdata-plan-title\">BD-CLOUD 1<\/h3>\n        <div class=\"interdata-plan-price\">988K<span>\/n\u0103m<\/span><\/div>\n        <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n        <ul class=\"interdata-plan-features\">\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>3 vCPU<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>3 GB RAM<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>30 GB SSD NVMe<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Network: 300 Mbps<\/li>\n        <\/ul>\n        <div class=\"interdata-plan-spacer\"><\/div>\n        <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/cart.php?a=add&pid=521&billingcycle=annually\" target=\"_blank\" rel=\"nofollow sponsored noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n      <\/article>\n\n      <article class=\"interdata-plan-card\">\n        <h3 class=\"interdata-plan-title\">BD-CLOUD 2<\/h3>\n        <div class=\"interdata-plan-price\">2.988K<span>\/n\u0103m<\/span><\/div>\n        <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n        <ul class=\"interdata-plan-features\">\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>4 vCPU<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>8 GB RAM<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>80 GB SSD NVMe<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Network: 300 Mbps<\/li>\n        <\/ul>\n        <div class=\"interdata-plan-spacer\"><\/div>\n        <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/cart.php?a=add&pid=522&billingcycle=annually\" target=\"_blank\" rel=\"nofollow sponsored noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n      <\/article>\n\n      <article class=\"interdata-plan-card\">\n        <h3 class=\"interdata-plan-title\">Cloud-Day - Base<\/h3>\n        <div class=\"interdata-plan-price\">2.666K<span>\/n\u0103m<\/span><\/div>\n        <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n        <ul class=\"interdata-plan-features\">\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-gift\"><\/use><\/svg><\/span>T\u1eb7ng 80GB S3 v\u00e0 1 n\u0103m s\u1eed d\u1ee5ng khi mua 2 n\u0103m tr\u1edf l\u00ean<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>4 vCPU AMD G3<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>6GB RAM<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>60GB SSD NVMe<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Network: 10Gbps<\/li>\n        <\/ul>\n        <div class=\"interdata-plan-spacer\"><\/div>\n        <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/index.php?rp=\/store\/cloud-day-by-interdata-2026\/cloud-day-base\" target=\"_blank\" rel=\"nofollow sponsored noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n      <\/article>\n\n      <article class=\"interdata-plan-card\">\n        <h3 class=\"interdata-plan-title\">Cloud-Day - Pro<\/h3>\n        <div class=\"interdata-plan-price\">5.666K<span>\/n\u0103m<\/span><\/div>\n        <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n        <ul class=\"interdata-plan-features\">\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-gift\"><\/use><\/svg><\/span>T\u1eb7ng 200GB S3 v\u00e0 1 n\u0103m s\u1eed d\u1ee5ng khi mua 2 n\u0103m tr\u1edf l\u00ean<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>8 vCPU AMD G3<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>12GB RAM<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>160GB SSD NVMe<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Network: 10Gbps<\/li>\n        <\/ul>\n        <div class=\"interdata-plan-spacer\"><\/div>\n        <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/index.php?rp=\/store\/cloud-day-by-interdata-2026\/cloud-day-pro\" target=\"_blank\" rel=\"nofollow sponsored noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n      <\/article>\n    <\/div>\n  <\/div>\n\n  <button class=\"interdata-carousel-arrow interdata-carousel-next\" type=\"button\" aria-label=\"Xem 4 g\u00f3i ti\u1ebfp theo\">\n    <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M9 18l6-6-6-6\"><\/path><\/svg>\n    <span class=\"interdata-carousel-mark\" aria-hidden=\"true\">&#8250;<\/span>\n  <\/button>\n<\/div>\n\n<script>\n(function(){\n  function setupInterDataCarousel(root){\n    var track=root.querySelector('.interdata-plan-track');\n    var prev=root.querySelector('.interdata-carousel-prev');\n    var next=root.querySelector('.interdata-carousel-next');\n    if(!track||!prev||!next||track.dataset.ready==='1')return;\n    track.dataset.ready='1';\n\n    function pageWidth(){\n      return track.clientWidth;\n    }\n\n    function updateButtons(){\n      var maxScroll=track.scrollWidth-track.clientWidth-2;\n      prev.disabled=track.scrollLeft<=2;\n      next.disabled=track.scrollLeft>=maxScroll;\n    }\n\n    prev.addEventListener('click',function(){\n      track.scrollBy({left:-pageWidth(),behavior:'smooth'});\n    });\n\n    next.addEventListener('click',function(){\n      track.scrollBy({left:pageWidth(),behavior:'smooth'});\n    });\n\n    track.addEventListener('scroll',function(){\n      window.requestAnimationFrame(updateButtons);\n    });\n\n    window.addEventListener('resize',updateButtons);\n    updateButtons();\n  }\n\n  function initInterDataCarousels(){\n    document.querySelectorAll('[data-interdata-carousel]').forEach(setupInterDataCarousel);\n  }\n\n  if(document.readyState==='loading'){\n    document.addEventListener('DOMContentLoaded',initInterDataCarousels);\n  }else{\n    initInterDataCarousels();\n  }\n})();\n<\/script>\n\n\t<div id=\"gap-1305032255\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1305032255 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n<p><span style=\"font-size: 100%;\"><strong>Ch\u1ee9ng ch\u1ec9 SSL<\/strong> l\u00e0 file d\u1eef li\u1ec7u m\u00e3 h\u00f3a g\u1eafn v\u1edbi domain, gi\u00fap tr\u00ecnh duy\u1ec7t v\u00e0 server trao \u0111\u1ed5i d\u1eef li\u1ec7u qua m\u1ed9t k\u00eanh ri\u00eang thay v\u00ec g\u1eedi th\u00f4ng tin d\u1ea1ng th\u00f4. Thi\u1ebfu n\u00f3, Chrome g\u1eafn nh\u00e3n &#8220;Kh\u00f4ng b\u1ea3o m\u1eadt&#8221; ngay tr\u00ean thanh \u0111\u1ecba ch\u1ec9, kh\u00e1ch r\u1eddi trang tr\u01b0\u1edbc khi \u0111\u1ecdc n\u1ed9i dung, v\u00e0 Google c\u0169ng kh\u00f4ng \u0111\u00e1nh gi\u00e1 cao website ch\u01b0a HTTPS. B\u00e0i n\u00e0y \u0111i th\u1eb3ng v\u00e0o \u0111\u1ecbnh ngh\u0129a, ph\u00e2n lo\u1ea1i DV\/OV\/EV\/Wildcard, c\u00e1ch ch\u1ecdn v\u00e0 c\u00e1ch c\u00e0i \u0111\u1eb7t th\u1ef1c t\u1ebf m\u00e0 \u0111\u1ed9i k\u1ef9 thu\u1eadt <a style=\"background: linear-gradient(90deg, #1E3A8A 0%, #2563EB 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; text-decoration: none; font-weight: bold;\" href=\"https:\/\/interdata.vn\/\">InterData<\/a> v\u1eabn x\u1eed l\u00fd h\u00e0ng ng\u00e0y cho kh\u00e1ch thu\u00ea VPS v\u00e0 Cloud Server.<br \/>\n<\/span><\/p>\n<div style=\"background-color: #eff6ff; padding: 20px; border: 1.5px solid #BFDBFE; border-radius: 12px; margin-bottom: 40px; box-shadow: 0 8px 20px rgba(37, 99, 235, 0.05);\">\n<p style=\"font-family: 'Be Vietnam Pro', sans-serif; font-weight: bold; font-size: 18px; margin-top: 0; margin-bottom: 15px; color: #1e3a8a;\">N\u1ed8I DUNG B\u00c0I VI\u1ebeT<\/p>\n<ul style=\"list-style-type: none; padding-left: 0; margin: 0;\">\n<li style=\"margin-bottom: 10px;\"><a style=\"text-decoration: none; color: #2563eb; font-weight: bold;\" href=\"#section1\">Ch\u1ee9ng ch\u1ec9 SSL l\u00e0 g\u00ec? V\u00ec sao website n\u00e0o c\u0169ng c\u1ea7n?<\/a><\/li>\n<li style=\"margin-bottom: 10px;\"><a style=\"text-decoration: none; color: #2563eb; font-weight: bold;\" href=\"#section2\">Ch\u1ee9ng ch\u1ec9 s\u1ed1 SSL ho\u1ea1t \u0111\u1ed9ng th\u1ebf n\u00e0o, li\u00ean h\u1ec7 v\u1edbi HTTPS?<\/a><\/li>\n<li style=\"margin-bottom: 10px;\"><a style=\"text-decoration: none; color: #2563eb; font-weight: bold;\" href=\"#section3\">C\u00f3 m\u1ea5y lo\u1ea1i ch\u1ee9ng ch\u1ec9 SSL: DV, OV, EV, Wildcard, Multi-domain?<\/a><\/li>\n<li style=\"margin-bottom: 10px;\"><a style=\"text-decoration: none; color: #2563eb; font-weight: bold;\" href=\"#section4\">SSL mi\u1ec5n ph\u00ed v\u00e0 SSL tr\u1ea3 ph\u00ed kh\u00e1c nhau th\u1ebf n\u00e0o?<\/a><\/li>\n<li style=\"margin-bottom: 10px;\"><a style=\"text-decoration: none; color: #2563eb; font-weight: bold;\" href=\"#section5\">C\u00e1ch ch\u1ecdn ch\u1ee9ng ch\u1ec9 SSL \u0111\u00fang cho t\u1eebng lo\u1ea1i website<\/a><\/li>\n<li style=\"margin-bottom: 10px;\"><a style=\"text-decoration: none; color: #2563eb; font-weight: bold;\" href=\"#section6\">C\u00e1ch ki\u1ec3m tra, c\u00e0i \u0111\u1eb7t v\u00e0 gia h\u1ea1n ch\u1ee9ng ch\u1ec9 SSL<\/a><\/li>\n<li style=\"margin-bottom: 10px;\"><a style=\"text-decoration: none; color: #2563eb; font-weight: bold;\" href=\"#section7\">C\u00e1c l\u1ed7i SSL th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch x\u1eed l\u00fd<\/a><\/li>\n<li style=\"margin-bottom: 10px;\"><a style=\"text-decoration: none; color: #2563eb; font-weight: bold;\" href=\"#section8\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 ch\u1ee9ng ch\u1ec9 SSL<\/a><\/li>\n<\/ul>\n<\/div>\n<h2 id=\"section1\" style=\"color: #1e3a8a; font-size: 24px; font-weight: bold; text-align: left; border-left: 5px solid #2563EB; padding-left: 15px; margin-top: 40px; margin-bottom: 20px; line-height: 1.4;\">Ch\u1ee9ng ch\u1ec9 SSL l\u00e0 g\u00ec? V\u00ec sao website n\u00e0o c\u0169ng c\u1ea7n?<\/h2>\n<p style=\"text-align: justify;\">Ch\u1ee9ng ch\u1ec9 SSL (Secure Sockets Layer certificate), hay c\u00f2n g\u1ecdi l\u00e0 ch\u1ee9ng ch\u1ec9 s\u1ed1 SSL, l\u00e0 m\u1ed9t t\u1ec7p d\u1eef li\u1ec7u do t\u1ed5 ch\u1ee9c ph\u00e1t h\u00e0nh ch\u1ee9ng ch\u1ec9 (Certificate Authority &#8211; CA) c\u1ea5p cho m\u1ed9t domain c\u1ee5 th\u1ec3. N\u00f3 ch\u1ee9a kh\u00f3a c\u00f4ng khai c\u1ee7a website, th\u00f4ng tin \u0111\u1ecbnh danh domain ho\u1eb7c t\u1ed5 ch\u1ee9c, v\u00e0 ch\u1eef k\u00fd s\u1ed1 c\u1ee7a CA x\u00e1c nh\u1eadn t\u00ednh h\u1ee3p l\u1ec7. Khi c\u00e0i l\u00ean server, ch\u1ee9ng ch\u1ec9 n\u00e0y b\u1eadt giao th\u1ee9c HTTPS, cho ph\u00e9p d\u1eef li\u1ec7u gi\u1eefa tr\u00ecnh duy\u1ec7t v\u00e0 server \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a trong qu\u00e1 tr\u00ecnh truy\u1ec1n.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-42919\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Chung-chi-SSL-la-gi.jpg\" alt=\"Ch\u1ee9ng ch\u1ec9 SSL l\u00e0 g\u00ec\" width=\"700\" height=\"467\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Chung-chi-SSL-la-gi.jpg 700w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Chung-chi-SSL-la-gi-300x200.jpg 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/p>\n<p style=\"text-align: justify;\">Website kh\u00f4ng c\u00f3 ch\u1ee9ng ch\u1ec9 SSL s\u1ebd b\u1ecb tr\u00ecnh duy\u1ec7t Chrome, Firefox, Edge hi\u1ec3n th\u1ecb c\u1ea3nh b\u00e1o &#8220;Kh\u00f4ng b\u1ea3o m\u1eadt&#8221; ngay tr\u00ean thanh \u0111\u1ecba ch\u1ec9. V\u1edbi site c\u00f3 form \u0111\u0103ng nh\u1eadp, thanh to\u00e1n ho\u1eb7c nh\u1eadp th\u00f4ng tin c\u00e1 nh\u00e2n, c\u1ea3nh b\u00e1o n\u00e0y xu\u1ea5t hi\u1ec7n to v\u00e0 r\u00f5 h\u01a1n, \u0111\u1ee7 \u0111\u1ec3 ph\u1ea7n l\u1edbn kh\u00e1ch r\u1eddi \u0111i tr\u01b0\u1edbc khi \u0111\u1ecdc n\u1ed9i dung. Google c\u0169ng d\u00f9ng HTTPS l\u00e0m m\u1ed9t t\u00edn hi\u1ec7u x\u1ebfp h\u1ea1ng t\u1eeb n\u0103m 2014, n\u00ean site ch\u1ea1y HTTP thu\u1ea7n th\u01b0\u1eddng b\u1ea5t l\u1ee3i h\u01a1n khi c\u1ea1nh tranh t\u1eeb kh\u00f3a v\u1edbi \u0111\u1ed1i th\u1ee7 \u0111\u00e3 c\u00f3 SSL.<\/p>\n<ul style=\"list-style-type: disc; padding-left: 20px; margin-bottom: 25px; color: #1f2937;\">\n<li style=\"margin-bottom: 10px;\"><strong>M\u00e3 h\u00f3a d\u1eef li\u1ec7u truy\u1ec1n t\u1ea3i:<\/strong> m\u1eadt kh\u1ea9u, s\u1ed1 th\u1ebb, th\u00f4ng tin form kh\u00f4ng c\u00f2n g\u1eedi d\u1ea1ng v\u0103n b\u1ea3n th\u00f4 m\u00e0 ai ch\u1eb7n \u0111\u01b0\u1ee3c g\u00f3i tin c\u0169ng \u0111\u1ecdc th\u1eb3ng ra.<\/li>\n<li style=\"margin-bottom: 10px;\"><strong>X\u00e1c th\u1ef1c danh t\u00ednh domain:<\/strong> ch\u1ee9ng ch\u1ec9 ch\u1ee9ng minh tr\u00ecnh duy\u1ec7t \u0111ang k\u1ebft n\u1ed1i \u0111\u00fang server c\u1ee7a domain \u0111\u00f3, kh\u00f4ng ph\u1ea3i m\u1ed9t site gi\u1ea3 m\u1ea1o ch\u00e8n gi\u1eefa \u0111\u01b0\u1eddng truy\u1ec1n.<\/li>\n<li style=\"margin-bottom: 10px;\"><strong>\u0110i\u1ec1u ki\u1ec7n b\u1eaft bu\u1ed9c \u0111\u1ec3 ch\u1ea1y HTTPS:<\/strong> kh\u00f4ng c\u00f3 ch\u1ee9ng ch\u1ec9, kh\u00f4ng th\u1ec3 b\u1eadt HTTPS, v\u00e0 nhi\u1ec1u t\u00ednh n\u0103ng tr\u00ecnh duy\u1ec7t hi\u1ec7n \u0111\u1ea1i (nh\u01b0 \u0111\u1ecbnh v\u1ecb, thanh to\u00e1n, PWA) ch\u1ec9 ch\u1ea1y tr\u00ean HTTPS.<\/li>\n<li style=\"margin-bottom: 10px;\"><strong>Y\u1ebfu t\u1ed1 tin c\u1eady v\u1edbi kh\u00e1ch h\u00e0ng:<\/strong> \u1ed5 kh\u00f3a xanh tr\u00ean thanh \u0111\u1ecba ch\u1ec9 v\u1eabn l\u00e0 d\u1ea5u hi\u1ec7u tr\u1ef1c quan \u0111\u1ea7u ti\u00ean kh\u00e1ch ki\u1ec3m tra tr\u01b0\u1edbc khi nh\u1eadp th\u00f4ng tin thanh to\u00e1n.<\/li>\n<\/ul>\n<div style=\"display: flex; flex-wrap: wrap; background-color: #fff; border: 1.5px solid #BFDBFE; box-shadow: 0 8px 20px rgba(37,99,235,0.08); border-radius: 12px; overflow: hidden; margin: 35px 0;\">\n<div style=\"flex: 1; min-width: 250px; background: linear-gradient(135deg, #1E3A8A 0%, #2563EB 100%); display: flex; align-items: center; justify-content: center; padding: 30px; text-align: center;\">\n<div>\n<p style=\"color: white; font-size: 30px; font-family: 'Be Vietnam Pro', sans-serif; font-weight: bold; margin: 0; line-height: 1.1;\">Thu\u00ea VPS InterData<\/p>\n<p style=\"color: #dbeafe; font-size: 15px; font-weight: 600; margin-top: 12px;\">To\u00e0n quy\u1ec1n root \u00b7 SSD NVMe U.2 \u00b7 H\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt 24\/7<\/p>\n<\/div>\n<\/div>\n<div style=\"flex: 2; padding: 25px; min-width: 300px;\">\n<h3 style=\"font-family: 'Be Vietnam Pro', sans-serif; color: #1e3a8a; margin-top: 0; font-size: 20px;\">C\u1ea7n t\u1ef1 c\u00e0i, t\u1ef1 gia h\u1ea1n SSL m\u00e0 kh\u00f4ng ph\u1ee5 thu\u1ed9c hosting chia s\u1ebb?<\/h3>\n<p style=\"text-align: justify; font-size: 15px; margin-bottom: 15px;\">Mu\u1ed1n t\u1ef1 c\u1ea5u h\u00ecnh ch\u1ee9ng ch\u1ec9 SSL b\u1eb1ng Certbot, t\u1ef1 ch\u1ecdn CA, t\u1ef1 qu\u1ea3n l\u00fd renew qua cron thay v\u00ec ch\u1edd nh\u00e0 cung c\u1ea5p thao t\u00e1c h\u1ed9, b\u1ea1n c\u1ea7n quy\u1ec1n root. VPS InterData cho to\u00e0n quy\u1ec1n qu\u1ea3n tr\u1ecb server, ph\u00f9 h\u1ee3p website WordPress t\u1ef1 qu\u1ea3n, d\u1ef1 \u00e1n dev\/test, ho\u1eb7c site c\u1ea7n ki\u1ec3m so\u00e1t c\u1ea5u h\u00ecnh HTTPS chi ti\u1ebft.<\/p>\n<p><a style=\"background: linear-gradient(90deg, #2563EB 0%, #1E3A8A 100%); color: white; padding: 12px 25px; text-decoration: none; font-weight: 600; border-radius: 8px; font-size: 15px; display: inline-block; box-shadow: 0 5px 15px rgba(37,99,235,0.3);\" href=\"https:\/\/interdata.vn\/thue-vps\/\" target=\"_blank\" rel=\"noopener\">Thu\u00ea VPS c\u00e0i SSL t\u1ef1 ch\u1ee7 \u27f6<\/a><\/p>\n<\/div>\n<\/div>\n<h2 id=\"section2\" style=\"color: #1e3a8a; font-size: 24px; font-weight: bold; text-align: left; border-left: 5px solid #2563EB; padding-left: 15px; margin-top: 40px; margin-bottom: 20px; line-height: 1.4;\">Ch\u1ee9ng ch\u1ec9 s\u1ed1 SSL ho\u1ea1t \u0111\u1ed9ng th\u1ebf n\u00e0o, li\u00ean h\u1ec7 v\u1edbi HTTPS?<\/h2>\n<p style=\"text-align: justify;\">Ch\u1ee9ng ch\u1ec9 s\u1ed1 SSL ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean m\u00e3 h\u00f3a kh\u00f3a b\u1ea5t \u0111\u1ed1i x\u1ee9ng: server gi\u1eef kh\u00f3a ri\u00eang t\u01b0 (private key), ch\u1ee9ng ch\u1ec9 mang kh\u00f3a c\u00f4ng khai (public key) \u0111\u00e3 \u0111\u01b0\u1ee3c CA k\u00fd s\u1ed1. Khi tr\u00ecnh duy\u1ec7t k\u1ebft n\u1ed1i, hai b\u00ean th\u1ef1c hi\u1ec7n b\u1eaft tay TLS handshake, x\u00e1c th\u1ef1c ch\u1ee9ng ch\u1ec9, th\u1ed1ng nh\u1ea5t kh\u00f3a phi\u00ean, r\u1ed3i m\u1edbi truy\u1ec1n d\u1eef li\u1ec7u \u0111\u00e3 m\u00e3 h\u00f3a. To\u00e0n b\u1ed9 ti\u1ebfn tr\u00ecnh n\u00e0y di\u1ec5n ra trong v\u00e0i tr\u0103m mili-gi\u00e2y, ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng nh\u00ecn th\u1ea5y nh\u01b0ng tr\u00ecnh duy\u1ec7t hi\u1ec3n th\u1ecb b\u1eb1ng \u1ed5 kh\u00f3a v\u00e0 giao th\u1ee9c https:\/\/ tr\u00ean thanh \u0111\u1ecba ch\u1ec9.<\/p>\n<h3 style=\"color: #1e3a8a; font-size: 19px; font-weight: bold; margin-top: 25px; margin-bottom: 12px;\">SSL v\u00e0 TLS kh\u00e1c nhau th\u1ebf n\u00e0o?<\/h3>\n<p style=\"text-align: justify;\">SSL l\u00e0 giao th\u1ee9c m\u00e3 h\u00f3a th\u1ebf h\u1ec7 \u0111\u1ea7u, \u0111\u00e3 ng\u1eebng s\u1eed d\u1ee5ng t\u1eeb l\u00e2u do l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt. TLS (Transport Layer Security) l\u00e0 b\u1ea3n k\u1ebf th\u1eeba, hi\u1ec7n t\u1ea1i c\u00e1c server v\u00e0 tr\u00ecnh duy\u1ec7t hi\u1ec7n \u0111\u1ea1i \u0111\u1ec1u ch\u1ea1y TLS 1.2 ho\u1eb7c TLS 1.3. Ng\u00e0nh v\u1eabn quen g\u1ecdi chung l\u00e0 &#8220;ch\u1ee9ng ch\u1ec9 SSL&#8221; ho\u1eb7c &#8220;SSL certificate&#8221; v\u00ec th\u00f3i quen th\u1ecb tr\u01b0\u1eddng, nh\u01b0ng b\u1ea3n ch\u1ea5t k\u1ef9 thu\u1eadt \u0111ang ch\u1ea1y l\u00e0 TLS. Khi c\u1ea5u h\u00ecnh server, b\u1ea1n n\u00ean t\u1eaft h\u1eb3n SSL 2.0\/3.0 v\u00e0 TLS 1.0\/1.1, ch\u1ec9 gi\u1eef TLS 1.2 tr\u1edf l\u00ean.<\/p>\n<h3 style=\"color: #1e3a8a; font-size: 19px; font-weight: bold; margin-top: 25px; margin-bottom: 12px;\">SSL v\u1edbi HTTPS li\u00ean h\u1ec7 ra sao?<\/h3>\n<p style=\"text-align: justify;\">HTTPS l\u00e0 HTTP ch\u1ea1y tr\u00ean n\u1ec1n TLS\/SSL. Kh\u00f4ng c\u00f3 ch\u1ee9ng ch\u1ec9 h\u1ee3p l\u1ec7, server kh\u00f4ng th\u1ec3 m\u1edf c\u1ed5ng 443 v\u1edbi HTTPS \u0111\u00fang ngh\u0129a. N\u1ebfu b\u1ea1n c\u1ea7n hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 <a style=\"color: #2563eb; font-weight: 600;\" href=\"https:\/\/interdata.vn\/blog\/giao-thuc-https-la-gi\/\">giao th\u1ee9c HTTPS<\/a> v\u00e0 c\u00e1ch n\u00f3 kh\u00e1c HTTP \u1edf t\u1ea7ng v\u1eadn chuy\u1ec3n, b\u00e0i \u0111\u00f3 gi\u1ea3i th\u00edch chi ti\u1ebft ph\u1ea7n b\u1eaft tay v\u00e0 c\u1ed5ng k\u1ebft n\u1ed1i. V\u1ec1 b\u1ea3n ch\u1ea5t <a style=\"color: #2563eb; font-weight: 600;\" href=\"https:\/\/interdata.vn\/blog\/ma-hoa-du-lieu-data-encryption\/\">m\u00e3 h\u00f3a d\u1eef li\u1ec7u<\/a> trong SSL\/TLS d\u00f9ng c\u1ea3 m\u00e3 h\u00f3a b\u1ea5t \u0111\u1ed1i x\u1ee9ng (l\u00fac b\u1eaft tay) v\u00e0 m\u00e3 h\u00f3a \u0111\u1ed1i x\u1ee9ng (l\u00fac truy\u1ec1n d\u1eef li\u1ec7u th\u1ef1c) \u0111\u1ec3 c\u00e2n b\u1eb1ng gi\u1eefa b\u1ea3o m\u1eadt v\u00e0 t\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-42922\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/So-do-nguyen-ly-hoat-dong-cua-chung-chi-SSL.jpg\" alt=\"S\u01a1 \u0111\u1ed3 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ch\u1ee9ng ch\u1ec9 SSL\" width=\"700\" height=\"467\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/So-do-nguyen-ly-hoat-dong-cua-chung-chi-SSL.jpg 700w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/So-do-nguyen-ly-hoat-dong-cua-chung-chi-SSL-300x200.jpg 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/p>\n<h2 id=\"section3\" style=\"color: #1e3a8a; font-size: 24px; font-weight: bold; text-align: left; border-left: 5px solid #2563EB; padding-left: 15px; margin-top: 40px; margin-bottom: 20px; line-height: 1.4;\">C\u00f3 m\u1ea5y lo\u1ea1i ch\u1ee9ng ch\u1ec9 SSL: DV, OV, EV, Wildcard, Multi-domain?<\/h2>\n<p style=\"text-align: justify;\">Ch\u1ee9ng ch\u1ec9 SSL chia theo hai tr\u1ee5c: m\u1ee9c x\u00e1c th\u1ef1c (DV, OV, EV) v\u00e0 ph\u1ea1m vi domain \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 (Single domain, Wildcard, Multi-domain). Ch\u1ecdn sai lo\u1ea1i l\u00e0 nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn khi\u1ebfn website v\u1eabn b\u00e1o l\u1ed7i ho\u1eb7c ph\u1ea3i mua l\u1ea1i ch\u1ee9ng ch\u1ec9 sau v\u00e0i th\u00e1ng.<\/p>\n<table style=\"width: 100%; border-collapse: collapse; margin: 20px 0 30px;\">\n<tbody>\n<tr style=\"background-color: #1e3a8a;\">\n<th style=\"color: #fff; padding: 12px; text-align: left; border: 1px solid #BFDBFE;\">Lo\u1ea1i ch\u1ee9ng ch\u1ec9<\/th>\n<th style=\"color: #fff; padding: 12px; text-align: left; border: 1px solid #BFDBFE;\">M\u1ee9c x\u00e1c th\u1ef1c<\/th>\n<th style=\"color: #fff; padding: 12px; text-align: left; border: 1px solid #BFDBFE;\">Ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi<\/th>\n<th style=\"color: #fff; padding: 12px; text-align: left; border: 1px solid #BFDBFE;\">L\u01b0u \u00fd tri\u1ec3n khai<\/th>\n<\/tr>\n<tr style=\"background-color: #f8fafc;\">\n<td style=\"padding: 12px; border: 1px solid #E5E7EB;\"><strong>DV (Domain Validation)<\/strong><\/td>\n<td style=\"padding: 12px; border: 1px solid #E5E7EB;\">Ch\u1ec9 x\u00e1c minh quy\u1ec1n ki\u1ec3m so\u00e1t domain<\/td>\n<td style=\"padding: 12px; border: 1px solid #E5E7EB;\">Blog, landing page, site c\u00e1 nh\u00e2n, d\u1ef1 \u00e1n c\u1ea7n c\u1ea5p nhanh<\/td>\n<td style=\"padding: 12px; border: 1px solid #E5E7EB;\">C\u1ea5p t\u1ef1 \u0111\u1ed9ng qua ACME (Let&#8217;s Encrypt), kh\u00f4ng hi\u1ec7n t\u00ean c\u00f4ng ty<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #E5E7EB;\"><strong>OV (Organization Validation)<\/strong><\/td>\n<td style=\"padding: 12px; border: 1px solid #E5E7EB;\">CA x\u00e1c minh th\u00eam h\u1ed3 s\u01a1 ph\u00e1p l\u00fd doanh nghi\u1ec7p<\/td>\n<td style=\"padding: 12px; border: 1px solid #E5E7EB;\">Website c\u00f4ng ty, s\u00e0n TM\u0110T nh\u1ecf, site c\u1ea7n th\u00f4ng tin t\u1ed5 ch\u1ee9c trong ch\u1ee9ng ch\u1ec9<\/td>\n<td style=\"padding: 12px; border: 1px solid #E5E7EB;\">Th\u1eddi gian c\u1ea5p l\u00e2u h\u01a1n DV, c\u1ea7n gi\u1ea5y t\u1edd doanh nghi\u1ec7p<\/td>\n<\/tr>\n<tr style=\"background-color: #f8fafc;\">\n<td style=\"padding: 12px; border: 1px solid #E5E7EB;\"><strong>EV (Extended Validation)<\/strong><\/td>\n<td style=\"padding: 12px; border: 1px solid #E5E7EB;\">X\u00e1c minh nghi\u00eam ng\u1eb7t nh\u1ea5t v\u1ec1 ph\u00e1p nh\u00e2n, ng\u01b0\u1eddi \u0111\u1ea1i di\u1ec7n<\/td>\n<td style=\"padding: 12px; border: 1px solid #E5E7EB;\">Ng\u00e2n h\u00e0ng, t\u00e0i ch\u00ednh, site c\u1ea7n m\u1ee9c tin c\u1eady ph\u00e1p l\u00fd cao nh\u1ea5t<\/td>\n<td style=\"padding: 12px; border: 1px solid #E5E7EB;\">Tr\u00ecnh duy\u1ec7t hi\u1ec7n \u0111\u1ea1i kh\u00f4ng c\u00f2n hi\u1ec7n thanh xanh n\u1ed5i b\u1eadt nh\u01b0 tr\u01b0\u1edbc, th\u00f4ng tin t\u1ed5 ch\u1ee9c xem qua chi ti\u1ebft ch\u1ee9ng ch\u1ec9<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #E5E7EB;\"><strong>Wildcard<\/strong><\/td>\n<td style=\"padding: 12px; border: 1px solid #E5E7EB;\">Th\u01b0\u1eddng \u1edf m\u1ee9c DV ho\u1eb7c OV<\/td>\n<td style=\"padding: 12px; border: 1px solid #E5E7EB;\">Site c\u00f3 nhi\u1ec1u subdomain (blog., shop., mail. c\u00f9ng m\u1ed9t domain g\u1ed1c)<\/td>\n<td style=\"padding: 12px; border: 1px solid #E5E7EB;\">M\u1ed9t ch\u1ee9ng ch\u1ec9 *.domain.vn ph\u1ee7 to\u00e0n b\u1ed9 subdomain c\u1ea5p 1, kh\u00f4ng ph\u1ee7 subdomain l\u1ed3ng nhau<\/td>\n<\/tr>\n<tr style=\"background-color: #f8fafc;\">\n<td style=\"padding: 12px; border: 1px solid #E5E7EB;\"><strong>Multi-domain (SAN\/UCC)<\/strong><\/td>\n<td style=\"padding: 12px; border: 1px solid #E5E7EB;\">DV, OV ho\u1eb7c EV t\u00f9y CA<\/td>\n<td style=\"padding: 12px; border: 1px solid #E5E7EB;\">Doanh nghi\u1ec7p qu\u1ea3n l\u00fd nhi\u1ec1u domain kh\u00e1c nhau tr\u00ean c\u00f9ng h\u1ea1 t\u1ea7ng<\/td>\n<td style=\"padding: 12px; border: 1px solid #E5E7EB;\">G\u1ed9p nhi\u1ec1u domain ri\u00eang bi\u1ec7t v\u00e0o m\u1ed9t ch\u1ee9ng ch\u1ec9 qua tr\u01b0\u1eddng SAN, ti\u1ec7n qu\u1ea3n l\u00fd nh\u01b0ng khi l\u1ed9 kh\u00f3a \u1ea3nh h\u01b0\u1edfng to\u00e0n b\u1ed9 domain trong \u0111\u00f3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: justify;\">M\u1ed9t \u0111i\u1ec3m hay b\u1ecb b\u1ecf qua: ch\u1ee9ng ch\u1ec9 SSL lu\u00f4n g\u1eafn v\u1edbi domain, kh\u00f4ng g\u1eafn v\u1edbi IP. Wildcard ch\u1ec9 gi\u1ea3i quy\u1ebft b\u00e0i to\u00e1n nhi\u1ec1u subdomain, kh\u00f4ng thay th\u1ebf cho vi\u1ec7c c\u00f3 <a style=\"color: #2563eb; font-weight: 600;\" href=\"https:\/\/interdata.vn\/blog\/dedicated-ip-la-gi\/\">Dedicated IP<\/a> ri\u00eang. M\u1ed9t s\u1ed1 h\u1ec7 th\u1ed1ng c\u0169, thi\u1ebft b\u1ecb POS ho\u1eb7c API legacy v\u1eabn y\u00eau c\u1ea7u IP ri\u00eang k\u1ebft h\u1ee3p SSL \u0111\u1ec3 t\u01b0\u01a1ng th\u00edch, \u0111\u00e2y l\u00e0 tr\u01b0\u1eddng h\u1ee3p c\u1ea7n t\u00e1ch IP thay v\u00ec ch\u1ec9 \u0111\u1ed5i lo\u1ea1i ch\u1ee9ng ch\u1ec9.<\/p>\n\n\n<style>\n.interdata-plan-carousel,.interdata-plan-carousel *{box-sizing:border-box}\n.interdata-plan-carousel{--blue:#005bea;--blue-dark:#004dcc;--text:#071832;--muted:#516173;--border:#d8e6fb;--bg:#f3f8ff;--shadow:0 5px 14px rgba(0,62,145,.08);container-type:inline-size;background:var(--bg);padding:14px 40px 18px;position:relative;overflow:hidden}\n.interdata-carousel-heading{color:#f00;font-family:Roboto,sans-serif;font-size:18px;line-height:1.35;font-weight:800;text-align:center;margin:0 0 14px}\n.interdata-plan-viewport{overflow:hidden;width:100%}\n.interdata-plan-track{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding:0 0 4px}\n.interdata-plan-track::-webkit-scrollbar{display:none}\n.interdata-plan-card{flex:0 0 calc((100% - 36px)\/4);min-width:0;background:#fff;border:1px solid var(--border);border-radius:8px;padding:15px 10px 13px;min-height:370px;display:flex;flex-direction:column;scroll-snap-align:start;box-shadow:var(--shadow)}\n.interdata-plan-title{color:var(--blue-dark);font-size:16px;line-height:1.22;font-weight:800;text-align:center;margin:0 0 7px;text-transform:uppercase;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}\n.interdata-plan-price{color:var(--blue-dark);font-size:24px;line-height:1;font-weight:900;text-align:center;margin-bottom:12px;white-space:nowrap;letter-spacing:0}\n.interdata-plan-price span{font-size:10px;font-weight:800;margin-left:2px}\n.interdata-plan-badge{align-self:center;display:inline-flex;align-items:center;justify-content:center;background:#ff3934;color:#fff;border-radius:5px;padding:7px 8px;font-size:9px;line-height:1;font-weight:800;margin-bottom:15px;white-space:nowrap;max-width:100%}\n.interdata-plan-features{list-style:none!important;padding:0!important;margin:0!important}\n.interdata-plan-features li{display:flex;gap:7px;align-items:flex-start;color:var(--text);font-size:12px;line-height:1.35;font-weight:700;text-align:left;margin:0 0 10px!important;padding:0!important}\n.interdata-plan-icon{width:14px;min-width:14px;height:14px;color:#0069ff;margin-top:2px}\n.interdata-plan-icon svg{display:block;width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}\n.interdata-plan-spacer{flex:1;min-height:16px}\n.interdata-plan-button{display:flex;align-items:center;justify-content:center;min-height:42px;width:100%;background:var(--blue);color:#fff!important;border-radius:5px;font-size:13px;font-weight:800;text-decoration:none!important;box-shadow:0 7px 14px rgba(0,91,234,.24);transition:transform .2s ease,background .2s ease}\n.interdata-plan-button:hover{background:var(--blue-dark);color:#fff!important;transform:translateY(-1px)}\n.interdata-carousel-arrow{position:absolute;top:50%;z-index:5;width:44px;height:54px;border:2px solid #fff!important;border-radius:999px;background:var(--blue)!important;color:#fff!important;box-shadow:0 8px 22px rgba(0,62,145,.32);display:flex!important;align-items:center;justify-content:center;cursor:pointer;transform:translateY(-35%);transition:background .2s ease,color .2s ease,opacity .2s ease,transform .2s ease}\n.interdata-carousel-arrow:hover{background:var(--blue-dark)!important;color:#fff!important;transform:translateY(-35%) scale(1.04)}\n.interdata-carousel-arrow:disabled{opacity:.78;cursor:not-allowed;background:#8aa6cf!important;color:#fff!important}\n.interdata-carousel-arrow:disabled:hover{background:#8aa6cf!important;color:#fff!important;transform:translateY(-35%)}\n.interdata-carousel-arrow svg{display:none!important}\n.interdata-carousel-arrow:before{content:none!important;display:none!important}\n.interdata-carousel-mark{display:block!important;color:#fff!important;font-family:Arial,Helvetica,sans-serif!important;font-size:38px!important;font-weight:900!important;line-height:1!important;text-align:center!important;pointer-events:none!important;transform:translateY(-2px)}\n.interdata-carousel-prev{left:14px}\n.interdata-carousel-prev .interdata-carousel-mark{margin-left:-2px}\n.interdata-carousel-next{right:14px}\n.interdata-carousel-next .interdata-carousel-mark{margin-right:-2px}\n@container (max-width:640px){.interdata-plan-carousel{padding:12px 38px 16px}.interdata-plan-card{flex-basis:calc((100% - 12px)\/2);min-height:370px}.interdata-carousel-heading{font-size:16px}}\n@container (max-width:480px){.interdata-plan-carousel{padding:12px 34px 16px}.interdata-plan-card{flex-basis:100%;min-height:360px}.interdata-plan-price{font-size:25px}.interdata-carousel-arrow{width:34px;height:44px}.interdata-carousel-mark{font-size:32px!important}.interdata-carousel-prev{left:5px}.interdata-carousel-next{right:5px}}\n<\/style>\n\n<div class=\"interdata-plan-carousel\" data-interdata-carousel>\n  <div class=\"interdata-carousel-heading\">Si\u00eau \u01afu \u0110\u00e3i VPS \/ CLOUD SERVER - Ti\u1ebft Ki\u1ec7m \u0110\u1ebfn 70%<\/div>\n\n  <svg width=\"0\" height=\"0\" style=\"position:absolute;visibility:hidden\" aria-hidden=\"true\">\n    <symbol id=\"id-icon-cpu\" viewBox=\"0 0 24 24\"><rect x=\"7\" y=\"7\" width=\"10\" height=\"10\" rx=\"2\"><\/rect><path d=\"M4 9h3M4 15h3M17 9h3M17 15h3M9 4v3M15 4v3M9 17v3M15 17v3\"><\/path><path d=\"M10 10h4v4h-4z\"><\/path><\/symbol>\n    <symbol id=\"id-icon-ram\" viewBox=\"0 0 24 24\"><rect x=\"4\" y=\"8\" width=\"16\" height=\"8\" rx=\"2\"><\/rect><path d=\"M7 16v2M11 16v2M15 16v2M19 16v2M7 11h1M11 11h1M15 11h1\"><\/path><\/symbol>\n    <symbol id=\"id-icon-storage\" viewBox=\"0 0 24 24\"><rect x=\"6\" y=\"3\" width=\"12\" height=\"18\" rx=\"2\"><\/rect><path d=\"M9 7h6\"><\/path><circle cx=\"12\" cy=\"16\" r=\"1.5\"><\/circle><\/symbol>\n    <symbol id=\"id-icon-network\" viewBox=\"0 0 24 24\"><path d=\"M5 12.5a10 10 0 0 1 14 0\"><\/path><path d=\"M8.5 16a5 5 0 0 1 7 0\"><\/path><path d=\"M12 19h.01\"><\/path><\/symbol>\n    <symbol id=\"id-icon-gift\" viewBox=\"0 0 24 24\"><rect x=\"3\" y=\"8\" width=\"18\" height=\"13\" rx=\"2\"><\/rect><path d=\"M12 8v13M3 12h18\"><\/path><path d=\"M7.5 8C6.1 8 5 6.9 5 5.5S6.1 3 7.5 3C10 3 12 8 12 8\"><\/path><path d=\"M16.5 8C17.9 8 19 6.9 19 5.5S17.9 3 16.5 3C14 3 12 8 12 8\"><\/path><\/symbol>\n  <\/svg>\n\n  <button class=\"interdata-carousel-arrow interdata-carousel-prev\" type=\"button\" aria-label=\"Xem 4 g\u00f3i tr\u01b0\u1edbc\">\n    <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M15 18l-6-6 6-6\"><\/path><\/svg>\n    <span class=\"interdata-carousel-mark\" aria-hidden=\"true\">&#8249;<\/span>\n  <\/button>\n\n  <div class=\"interdata-plan-viewport\">\n    <div class=\"interdata-plan-track\">\n      <article class=\"interdata-plan-card\">\n        <h3 class=\"interdata-plan-title\">Premium Base<\/h3>\n        <div class=\"interdata-plan-price\">299K<span>\/3 th\u00e1ng<\/span><\/div>\n        <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n        <ul class=\"interdata-plan-features\">\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>2 vCore Intel<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>2GB RAM<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>30GB SSD NVMe<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Network: 300Mbps<\/li>\n        <\/ul>\n        <div class=\"interdata-plan-spacer\"><\/div>\n        <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/index.php?rp=\/store\/best-value-plans-2026\/best-value-plans-premium-base\" target=\"_blank\" rel=\"nofollow sponsored noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n      <\/article>\n\n      <article class=\"interdata-plan-card\">\n        <h3 class=\"interdata-plan-title\">Premium Base<\/h3>\n        <div class=\"interdata-plan-price\">999K<span>\/n\u0103m<\/span><\/div>\n        <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n        <ul class=\"interdata-plan-features\">\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>3 vCore Intel<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>3GB RAM<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>30GB SSD NVMe<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Network: 300Mbps<\/li>\n        <\/ul>\n        <div class=\"interdata-plan-spacer\"><\/div>\n        <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/index.php?rp=\/store\/cyber-week-2026\/premium-base\" target=\"_blank\" rel=\"nofollow sponsored noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n      <\/article>\n\n      <article class=\"interdata-plan-card\">\n        <h3 class=\"interdata-plan-title\">Premium Pro<\/h3>\n        <div class=\"interdata-plan-price\">2.599K<span>\/n\u0103m<\/span><\/div>\n        <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n        <ul class=\"interdata-plan-features\">\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>6 vCore Intel<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>8GB RAM<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>80GB SSD NVMe<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Network: 350Mbps<\/li>\n        <\/ul>\n        <div class=\"interdata-plan-spacer\"><\/div>\n        <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/index.php?rp=\/store\/cyber-week-2026\/premium-pro\" target=\"_blank\" rel=\"nofollow sponsored noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n      <\/article>\n\n      <article class=\"interdata-plan-card\">\n        <h3 class=\"interdata-plan-title\">Premium Ultra<\/h3>\n        <div class=\"interdata-plan-price\">5.679K<span>\/n\u0103m<\/span><\/div>\n        <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n        <ul class=\"interdata-plan-features\">\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>12 vCore Intel<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>16GB RAM<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>180GB SSD NVMe<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Network: 450Mbps<\/li>\n        <\/ul>\n        <div class=\"interdata-plan-spacer\"><\/div>\n        <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/index.php?rp=\/store\/cyber-week-2026\/premium-ultra\" target=\"_blank\" rel=\"nofollow sponsored noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n      <\/article>\n\n      <article class=\"interdata-plan-card\">\n        <h3 class=\"interdata-plan-title\">BD-CLOUD 1<\/h3>\n        <div class=\"interdata-plan-price\">988K<span>\/n\u0103m<\/span><\/div>\n        <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n        <ul class=\"interdata-plan-features\">\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>3 vCPU<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>3 GB RAM<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>30 GB SSD NVMe<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Network: 300 Mbps<\/li>\n        <\/ul>\n        <div class=\"interdata-plan-spacer\"><\/div>\n        <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/cart.php?a=add&pid=521&billingcycle=annually\" target=\"_blank\" rel=\"nofollow sponsored noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n      <\/article>\n\n      <article class=\"interdata-plan-card\">\n        <h3 class=\"interdata-plan-title\">BD-CLOUD 2<\/h3>\n        <div class=\"interdata-plan-price\">2.988K<span>\/n\u0103m<\/span><\/div>\n        <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n        <ul class=\"interdata-plan-features\">\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>4 vCPU<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>8 GB RAM<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>80 GB SSD NVMe<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Network: 300 Mbps<\/li>\n        <\/ul>\n        <div class=\"interdata-plan-spacer\"><\/div>\n        <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/cart.php?a=add&pid=522&billingcycle=annually\" target=\"_blank\" rel=\"nofollow sponsored noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n      <\/article>\n\n      <article class=\"interdata-plan-card\">\n        <h3 class=\"interdata-plan-title\">Cloud-Day - Base<\/h3>\n        <div class=\"interdata-plan-price\">2.666K<span>\/n\u0103m<\/span><\/div>\n        <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n        <ul class=\"interdata-plan-features\">\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-gift\"><\/use><\/svg><\/span>T\u1eb7ng 80GB S3 v\u00e0 1 n\u0103m s\u1eed d\u1ee5ng khi mua 2 n\u0103m tr\u1edf l\u00ean<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>4 vCPU AMD G3<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>6GB RAM<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>60GB SSD NVMe<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Network: 10Gbps<\/li>\n        <\/ul>\n        <div class=\"interdata-plan-spacer\"><\/div>\n        <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/index.php?rp=\/store\/cloud-day-by-interdata-2026\/cloud-day-base\" target=\"_blank\" rel=\"nofollow sponsored noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n      <\/article>\n\n      <article class=\"interdata-plan-card\">\n        <h3 class=\"interdata-plan-title\">Cloud-Day - Pro<\/h3>\n        <div class=\"interdata-plan-price\">5.666K<span>\/n\u0103m<\/span><\/div>\n        <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n        <ul class=\"interdata-plan-features\">\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-gift\"><\/use><\/svg><\/span>T\u1eb7ng 200GB S3 v\u00e0 1 n\u0103m s\u1eed d\u1ee5ng khi mua 2 n\u0103m tr\u1edf l\u00ean<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>8 vCPU AMD G3<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>12GB RAM<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>160GB SSD NVMe<\/li>\n          <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Network: 10Gbps<\/li>\n        <\/ul>\n        <div class=\"interdata-plan-spacer\"><\/div>\n        <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/index.php?rp=\/store\/cloud-day-by-interdata-2026\/cloud-day-pro\" target=\"_blank\" rel=\"nofollow sponsored noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n      <\/article>\n    <\/div>\n  <\/div>\n\n  <button class=\"interdata-carousel-arrow interdata-carousel-next\" type=\"button\" aria-label=\"Xem 4 g\u00f3i ti\u1ebfp theo\">\n    <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M9 18l6-6-6-6\"><\/path><\/svg>\n    <span class=\"interdata-carousel-mark\" aria-hidden=\"true\">&#8250;<\/span>\n  <\/button>\n<\/div>\n\n<script>\n(function(){\n  function setupInterDataCarousel(root){\n    var track=root.querySelector('.interdata-plan-track');\n    var prev=root.querySelector('.interdata-carousel-prev');\n    var next=root.querySelector('.interdata-carousel-next');\n    if(!track||!prev||!next||track.dataset.ready==='1')return;\n    track.dataset.ready='1';\n\n    function pageWidth(){\n      return track.clientWidth;\n    }\n\n    function updateButtons(){\n      var maxScroll=track.scrollWidth-track.clientWidth-2;\n      prev.disabled=track.scrollLeft<=2;\n      next.disabled=track.scrollLeft>=maxScroll;\n    }\n\n    prev.addEventListener('click',function(){\n      track.scrollBy({left:-pageWidth(),behavior:'smooth'});\n    });\n\n    next.addEventListener('click',function(){\n      track.scrollBy({left:pageWidth(),behavior:'smooth'});\n    });\n\n    track.addEventListener('scroll',function(){\n      window.requestAnimationFrame(updateButtons);\n    });\n\n    window.addEventListener('resize',updateButtons);\n    updateButtons();\n  }\n\n  function initInterDataCarousels(){\n    document.querySelectorAll('[data-interdata-carousel]').forEach(setupInterDataCarousel);\n  }\n\n  if(document.readyState==='loading'){\n    document.addEventListener('DOMContentLoaded',initInterDataCarousels);\n  }else{\n    initInterDataCarousels();\n  }\n})();\n<\/script>\n\n\t<div id=\"gap-1570267400\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1570267400 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n<div style=\"display: flex; flex-wrap: wrap; background-color: #fff; border: 1.5px solid #BFDBFE; box-shadow: 0 8px 20px rgba(37,99,235,0.08); border-radius: 12px; overflow: hidden; margin: 35px 0;\">\n<div style=\"flex: 1; min-width: 250px; background: linear-gradient(135deg, #1E3A8A 0%, #2563EB 100%); display: flex; align-items: center; justify-content: center; padding: 30px; text-align: center;\">\n<div>\n<p style=\"color: white; font-size: 30px; font-family: 'Be Vietnam Pro', sans-serif; font-weight: bold; margin: 0; line-height: 1.1;\">Thu\u00ea Cloud Server InterData<\/p>\n<p style=\"color: #dbeafe; font-size: 15px; font-weight: 600; margin-top: 12px;\">Scale linh ho\u1ea1t theo t\u1ea3i \u00b7 Ch\u1ed1ng DDoS \u00b7 Backup \u0111\u1ecbnh k\u1ef3<\/p>\n<\/div>\n<\/div>\n<div style=\"flex: 2; padding: 25px; min-width: 300px;\">\n<h3 style=\"font-family: 'Be Vietnam Pro', sans-serif; color: #1e3a8a; margin-top: 0; font-size: 20px;\">Nhi\u1ec1u subdomain, nhi\u1ec1u domain, traffic t\u0103ng theo m\u00f9a?<\/h3>\n<p style=\"text-align: justify; font-size: 15px; margin-bottom: 15px;\">Site TM\u0110T qu\u1ea3n l\u00fd nhi\u1ec1u subdomain cho shop, blog, API, ho\u1eb7c nhi\u1ec1u domain th\u01b0\u01a1ng hi\u1ec7u kh\u00e1c nhau n\u00ean d\u00f9ng Wildcard\/Multi-domain SSL k\u1ebft h\u1ee3p h\u1ea1 t\u1ea7ng c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng t\u00e0i nguy\u00ean nhanh khi traffic t\u0103ng \u0111\u1ed9t bi\u1ebfn v\u00e0o m\u00f9a sale. Cloud Server InterData cho ph\u00e9p n\u00e2ng c\u1ea5u h\u00ecnh theo nhu c\u1ea7u th\u1ef1c t\u1ebf m\u00e0 kh\u00f4ng ph\u1ea3i chuy\u1ec3n h\u1ea1 t\u1ea7ng gi\u1eefa ch\u1eebng.<\/p>\n<p><a style=\"background: linear-gradient(90deg, #2563EB 0%, #1E3A8A 100%); color: white; padding: 12px 25px; text-decoration: none; font-weight: 600; border-radius: 8px; font-size: 15px; display: inline-block; box-shadow: 0 5px 15px rgba(37,99,235,0.3);\" href=\"https:\/\/interdata.vn\/cloud-server\/\" target=\"_blank\" rel=\"noopener\">Xem g\u00f3i Cloud Server cho TM\u0110T \u27f6<\/a><\/p>\n<\/div>\n<\/div>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-42921\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Co-may-loai-chung-chi-SSL_-DV-OV-EV-Wildcard-Multi-domain.jpg\" alt=\"C\u00f3 m\u1ea5y lo\u1ea1i ch\u1ee9ng ch\u1ec9 SSL? DV, OV, EV, Wildcard, Multi-domain\" width=\"700\" height=\"467\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Co-may-loai-chung-chi-SSL_-DV-OV-EV-Wildcard-Multi-domain.jpg 700w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Co-may-loai-chung-chi-SSL_-DV-OV-EV-Wildcard-Multi-domain-300x200.jpg 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/p>\n<h2 id=\"section4\" style=\"color: #1e3a8a; font-size: 24px; font-weight: bold; text-align: left; border-left: 5px solid #2563EB; padding-left: 15px; margin-top: 40px; margin-bottom: 20px; line-height: 1.4;\">SSL mi\u1ec5n ph\u00ed v\u00e0 SSL tr\u1ea3 ph\u00ed kh\u00e1c nhau th\u1ebf n\u00e0o?<\/h2>\n<p style=\"text-align: justify;\">SSL mi\u1ec5n ph\u00ed v\u00e0 SSL tr\u1ea3 ph\u00ed \u0111\u1ec1u m\u00e3 h\u00f3a d\u1eef li\u1ec7u \u1edf c\u00f9ng m\u1ee9c chu\u1ea9n TLS, kh\u00e1c nhau ch\u1ee7 y\u1ebfu \u1edf th\u1eddi h\u1ea1n hi\u1ec7u l\u1ef1c, m\u1ee9c x\u00e1c th\u1ef1c, b\u1ea3o h\u00e0nh t\u1eeb CA v\u00e0 h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt \u0111i k\u00e8m. SSL mi\u1ec5n ph\u00ed ph\u00f9 h\u1ee3p site nh\u1ecf c\u1ea7n b\u1eadt HTTPS nhanh, SSL tr\u1ea3 ph\u00ed ph\u00f9 h\u1ee3p doanh nghi\u1ec7p c\u1ea7n OV\/EV ho\u1eb7c h\u1ea1 t\u1ea7ng c\u00f3 ki\u1ec3m so\u00e1t gia h\u1ea1n t\u1eadp trung.<\/p>\n<table style=\"width: 100%; border-collapse: collapse; margin: 20px 0 30px;\">\n<tbody>\n<tr style=\"background-color: #1e3a8a;\">\n<th style=\"color: #fff; padding: 12px; text-align: left; border: 1px solid #BFDBFE;\">Ti\u00eau ch\u00ed<\/th>\n<th style=\"color: #fff; padding: 12px; text-align: left; border: 1px solid #BFDBFE;\">SSL mi\u1ec5n ph\u00ed<\/th>\n<th style=\"color: #fff; padding: 12px; text-align: left; border: 1px solid #BFDBFE;\">SSL tr\u1ea3 ph\u00ed<\/th>\n<\/tr>\n<tr style=\"background-color: #f8fafc;\">\n<td style=\"padding: 12px; border: 1px solid #E5E7EB;\">M\u1ee9c x\u00e1c th\u1ef1c<\/td>\n<td style=\"padding: 12px; border: 1px solid #E5E7EB;\">Ch\u1ee7 y\u1ebfu DV<\/td>\n<td style=\"padding: 12px; border: 1px solid #E5E7EB;\">DV, OV ho\u1eb7c EV t\u00f9y g\u00f3i<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #E5E7EB;\">Th\u1eddi h\u1ea1n hi\u1ec7u l\u1ef1c<\/td>\n<td style=\"padding: 12px; border: 1px solid #E5E7EB;\">Th\u01b0\u1eddng 90 ng\u00e0y, c\u1ea7n gia h\u1ea1n t\u1ef1 \u0111\u1ed9ng th\u01b0\u1eddng xuy\u00ean<\/td>\n<td style=\"padding: 12px; border: 1px solid #E5E7EB;\">Th\u01b0\u1eddng theo n\u0103m, chu k\u1ef3 gia h\u1ea1n d\u00e0i h\u01a1n<\/td>\n<\/tr>\n<tr style=\"background-color: #f8fafc;\">\n<td style=\"padding: 12px; border: 1px solid #E5E7EB;\">Chi ph\u00ed<\/td>\n<td style=\"padding: 12px; border: 1px solid #E5E7EB;\">Mi\u1ec5n ph\u00ed<\/td>\n<td style=\"padding: 12px; border: 1px solid #E5E7EB;\">C\u00f3 ph\u00ed, dao \u0111\u1ed9ng theo CA v\u00e0 lo\u1ea1i ch\u1ee9ng ch\u1ec9<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #E5E7EB;\">H\u1ed7 tr\u1ee3 v\u00e0 b\u1ea3o h\u00e0nh<\/td>\n<td style=\"padding: 12px; border: 1px solid #E5E7EB;\">C\u1ed9ng \u0111\u1ed3ng, t\u1ef1 qu\u1ea3n l\u00fd l\u00e0 ch\u00ednh<\/td>\n<td style=\"padding: 12px; border: 1px solid #E5E7EB;\">H\u1ed7 tr\u1ee3 CA tr\u1ef1c ti\u1ebfp, th\u01b0\u1eddng k\u00e8m b\u1ea3o h\u00e0nh theo h\u1ee3p \u0111\u1ed3ng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: justify;\">\u0110\u1ea1i di\u1ec7n ti\u00eau bi\u1ec3u cho SSL mi\u1ec5n ph\u00ed l\u00e0 <a style=\"color: #2563eb; font-weight: 600;\" href=\"https:\/\/interdata.vn\/blog\/lets-encrypt-la-gi\/\">ch\u1ee9ng ch\u1ec9 Let&#8217;s Encrypt mi\u1ec5n ph\u00ed<\/a>, c\u1ea5p qua giao th\u1ee9c ACME, t\u1ef1 \u0111\u1ed9ng h\u00f3a t\u1ed1t n\u1ebfu server c\u00f3 Certbot ho\u1eb7c plugin t\u01b0\u01a1ng \u1ee9ng. N\u1ebfu b\u1ea1n c\u1ea7n hi\u1ec3u s\u00e2u \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m gi\u1eefa hai h\u01b0\u1edbng tr\u01b0\u1edbc khi quy\u1ebft \u0111\u1ecbnh, b\u00e0i <a style=\"color: #2563eb; font-weight: 600;\" href=\"https:\/\/interdata.vn\/blog\/free-ssl-la-gi\/\">Free SSL v\u00e0 SSL tr\u1ea3 ph\u00ed<\/a> ph\u00e2n t\u00edch r\u00f5 t\u1eebng tr\u01b0\u1eddng h\u1ee3p n\u00ean ch\u1ecdn lo\u1ea1i n\u00e0o. Quan \u0111i\u1ec3m th\u1ef1c t\u1ebf sau nhi\u1ec1u l\u1ea7n tri\u1ec3n khai: site c\u00e1 nh\u00e2n, blog, landing page d\u00f9ng Let&#8217;s Encrypt l\u00e0 \u0111\u1ee7; site c\u00f3 giao d\u1ecbch, c\u1ea7n hi\u1ec7n th\u00f4ng tin ph\u00e1p nh\u00e2n trong ch\u1ee9ng ch\u1ec9 ho\u1eb7c c\u1ea7n b\u1ea3o h\u00e0nh h\u1ee3p \u0111\u1ed3ng th\u00ec n\u00ean mua SSL ch\u00ednh h\u00e3ng t\u1eeb CA uy t\u00edn.<\/p>\n<h2 id=\"section5\" style=\"color: #1e3a8a; font-size: 24px; font-weight: bold; text-align: left; border-left: 5px solid #2563EB; padding-left: 15px; margin-top: 40px; margin-bottom: 20px; line-height: 1.4;\">C\u00e1ch ch\u1ecdn ch\u1ee9ng ch\u1ec9 SSL \u0111\u00fang cho t\u1eebng lo\u1ea1i website<\/h2>\n<p style=\"text-align: justify;\">Ch\u1ecdn sai lo\u1ea1i SSL th\u01b0\u1eddng \u0111\u1ebfn t\u1eeb vi\u1ec7c kh\u00f4ng x\u00e1c \u0111\u1ecbnh r\u00f5 s\u1ed1 l\u01b0\u1ee3ng domain\/subdomain v\u00e0 m\u1ee9c tin c\u1eady website c\u1ea7n th\u1ec3 hi\u1ec7n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 checklist quy\u1ebft \u0111\u1ecbnh d\u1ef1a tr\u00ean t\u00ecnh hu\u1ed1ng th\u1ef1c t\u1ebf, kh\u00f4ng ph\u1ea3i c\u00f4ng th\u1ee9c chung chung.<\/p>\n<ul style=\"list-style-type: disc; padding-left: 20px; margin-bottom: 25px; color: #1f2937;\">\n<li style=\"margin-bottom: 10px;\"><strong>Blog c\u00e1 nh\u00e2n, landing page, portfolio:<\/strong> ch\u1ecdn DV mi\u1ec5n ph\u00ed, \u01b0u ti\u00ean t\u1ed1c \u0111\u1ed9 c\u1ea5p v\u00e0 t\u1ef1 \u0111\u1ed9ng gia h\u1ea1n.<\/li>\n<li style=\"margin-bottom: 10px;\"><strong>Website c\u00f4ng ty, gi\u1edbi thi\u1ec7u d\u1ecbch v\u1ee5:<\/strong> c\u00e2n nh\u1eafc OV n\u1ebfu c\u1ea7n kh\u00e1ch h\u00e0ng th\u1ea5y th\u00f4ng tin doanh nghi\u1ec7p khi ki\u1ec3m tra ch\u1ee9ng ch\u1ec9, ng\u00e2n s\u00e1ch h\u1ea1n ch\u1ebf th\u00ec DV v\u1eabn \u0111\u1ee7 d\u00f9ng.<\/li>\n<li style=\"margin-bottom: 10px;\"><strong>S\u00e0n TM\u0110T, site thanh to\u00e1n:<\/strong> \u01b0u ti\u00ean OV ho\u1eb7c EV, k\u1ebft h\u1ee3p ki\u1ec3m tra chu\u1ed7i ch\u1ee9ng ch\u1ec9 (chain) \u0111\u1ea7y \u0111\u1ee7 \u0111\u1ec3 tr\u00e1nh c\u1ea3nh b\u00e1o tr\u00ean m\u1ed9t s\u1ed1 tr\u00ecnh duy\u1ec7t c\u0169.<\/li>\n<li style=\"margin-bottom: 10px;\"><strong>Site c\u00f3 nhi\u1ec1u subdomain (shop., blog., mail., app.):<\/strong> ch\u1ecdn Wildcard thay v\u00ec mua l\u1ebb t\u1eebng ch\u1ee9ng ch\u1ec9, gi\u1ea3m c\u00f4ng qu\u1ea3n l\u00fd gia h\u1ea1n.<\/li>\n<li style=\"margin-bottom: 10px;\"><strong>Doanh nghi\u1ec7p v\u1eadn h\u00e0nh nhi\u1ec1u domain th\u01b0\u01a1ng hi\u1ec7u kh\u00e1c nhau:<\/strong> ch\u1ecdn Multi-domain (SAN) \u0111\u1ec3 g\u1ed9p qu\u1ea3n l\u00fd, nh\u01b0ng c\u00e2n nh\u1eafc r\u1ee7i ro t\u1eadp trung n\u1ebfu m\u1ed9t kh\u00f3a b\u1ecb l\u1ed9 \u1ea3nh h\u01b0\u1edfng to\u00e0n b\u1ed9 domain trong ch\u1ee9ng ch\u1ec9.<\/li>\n<li style=\"margin-bottom: 10px;\"><strong>Site c\u1ea7n d\u00f9ng CDN\/proxy (Cloudflare&#8230;):<\/strong> ki\u1ec3m tra ch\u1ebf \u0111\u1ed9 SSL tr\u00ean l\u1edbp CDN (Flexible\/Full\/Full Strict) kh\u1edbp v\u1edbi ch\u1ee9ng ch\u1ec9 \u0111ang c\u00e0i \u1edf origin server, tr\u00e1nh v\u00f2ng l\u1eb7p redirect ho\u1eb7c l\u1ed7i k\u1ebft n\u1ed1i.<\/li>\n<\/ul>\n<p style=\"text-align: justify;\">N\u1ebfu website \u0111ang ch\u1ea1y sau <a style=\"color: #2563eb; font-weight: 600;\" href=\"https:\/\/interdata.vn\/blog\/cloudflare-la-gi\/\">SSL qua Cloudflare<\/a>, nh\u1edb ch\u1ecdn ch\u1ebf \u0111\u1ed9 Full (Strict) v\u00e0 c\u00e0i ch\u1ee9ng ch\u1ec9 h\u1ee3p l\u1ec7 \u1edf origin, ch\u1ebf \u0111\u1ed9 Flexible ch\u1ec9 m\u00e3 h\u00f3a \u0111o\u1ea1n gi\u1eefa Cloudflare v\u00e0 tr\u00ecnh duy\u1ec7t, \u0111o\u1ea1n gi\u1eefa Cloudflare v\u00e0 server g\u1ed1c v\u1eabn c\u00f3 th\u1ec3 ch\u1ea1y HTTP n\u1ebfu c\u1ea5u h\u00ecnh sai.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-42918\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Cach-chon-chung-chi-SSL-dung-cho-tung-loai-website.jpg\" alt=\"C\u00e1ch ch\u1ecdn ch\u1ee9ng ch\u1ec9 SSL \u0111\u00fang cho t\u1eebng lo\u1ea1i website\" width=\"700\" height=\"467\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Cach-chon-chung-chi-SSL-dung-cho-tung-loai-website.jpg 700w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Cach-chon-chung-chi-SSL-dung-cho-tung-loai-website-300x200.jpg 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/p>\n<h2 id=\"section6\" style=\"color: #1e3a8a; font-size: 24px; font-weight: bold; text-align: left; border-left: 5px solid #2563EB; padding-left: 15px; margin-top: 40px; margin-bottom: 20px; line-height: 1.4;\">C\u00e1ch ki\u1ec3m tra, c\u00e0i \u0111\u1eb7t v\u00e0 gia h\u1ea1n ch\u1ee9ng ch\u1ec9 SSL<\/h2>\n<h3 style=\"color: #1e3a8a; font-size: 19px; font-weight: bold; margin-top: 25px; margin-bottom: 12px;\">C\u00e1ch ki\u1ec3m tra ch\u1ee9ng ch\u1ec9 SSL c\u1ee7a website<\/h3>\n<p style=\"text-align: justify;\">C\u00e1ch nhanh nh\u1ea5t kh\u00f4ng c\u1ea7n d\u00f2ng l\u1ec7nh: click v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng \u1ed5 kh\u00f3a c\u1ea1nh thanh \u0111\u1ecba ch\u1ec9, ch\u1ecdn xem ch\u1ee9ng ch\u1ec9 \u0111\u1ec3 th\u1ea5y CA c\u1ea5p, ng\u00e0y h\u1ebft h\u1ea1n v\u00e0 domain \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7. V\u1edbi ng\u01b0\u1eddi quen d\u00f2ng l\u1ec7nh, d\u00f9ng OpenSSL ki\u1ec3m tra tr\u1ef1c ti\u1ebfp:<\/p>\n<pre style=\"background: #1F2937; color: #e5e7eb; padding: 16px; border-radius: 8px; overflow-x: auto; font-size: 14px;\">openssl s_client -connect domain.vn:443 -servername domain.vn &lt;\/dev\/null 2&gt;\/dev\/null \\\r\n| openssl x509 -noout -dates -subject -issuer<\/pre>\n<p style=\"text-align: justify;\">L\u1ec7nh n\u00e0y in ra ng\u00e0y c\u1ea5p, ng\u00e0y h\u1ebft h\u1ea1n, ch\u1ee7 th\u1ec3 domain v\u00e0 CA ph\u00e1t h\u00e0nh. Mu\u1ed1n ki\u1ec3m tra nhanh qua curl:<\/p>\n<pre style=\"background: #1F2937; color: #e5e7eb; padding: 16px; border-radius: 8px; overflow-x: auto; font-size: 14px;\">curl -vI https:\/\/domain.vn 2&gt;&amp;1 | grep -i \"SSL certificate\\|expire\"<\/pre>\n<h3 style=\"color: #1e3a8a; font-size: 19px; font-weight: bold; margin-top: 25px; margin-bottom: 12px;\">C\u00e1ch c\u00e0i \u0111\u1eb7t ch\u1ee9ng ch\u1ec9 SSL<\/h3>\n<p style=\"text-align: justify;\">Quy tr\u00ecnh chung, chi ti\u1ebft thao t\u00e1c ph\u1ee5 thu\u1ed9c CA, lo\u1ea1i ch\u1ee9ng ch\u1ec9 v\u00e0 control panel \u0111ang d\u00f9ng:<\/p>\n<ol style=\"padding-left: 20px; margin-bottom: 25px; color: #1f2937;\">\n<li style=\"margin-bottom: 10px;\">T\u1ea1o CSR (Certificate Signing Request) tr\u00ean server, khai \u0111\u00fang domain v\u00e0 th\u00f4ng tin t\u1ed5 ch\u1ee9c n\u1ebfu l\u00e0 OV\/EV.<\/li>\n<li style=\"margin-bottom: 10px;\">G\u1eedi CSR cho CA (ho\u1eb7c d\u00f9ng ACME client nh\u01b0 Certbot n\u1ebfu ch\u1ecdn Let&#8217;s Encrypt), x\u00e1c minh quy\u1ec1n s\u1edf h\u1eefu domain qua DNS record ho\u1eb7c file x\u00e1c th\u1ef1c.<\/li>\n<li style=\"margin-bottom: 10px;\">Nh\u1eadn file ch\u1ee9ng ch\u1ec9 v\u00e0 chain (intermediate certificate) t\u1eeb CA.<\/li>\n<li style=\"margin-bottom: 10px;\">C\u00e0i ch\u1ee9ng ch\u1ec9 l\u00ean web server (Nginx, Apache, IIS) ho\u1eb7c qua control panel, tr\u1ecf \u0111\u00fang private key t\u01b0\u01a1ng \u1ee9ng.<\/li>\n<li style=\"margin-bottom: 10px;\">Ki\u1ec3m tra l\u1ea1i b\u1eb1ng l\u1ec7nh OpenSSL ho\u1eb7c c\u00f4ng c\u1ee5 ki\u1ec3m tra SSL tr\u1ef1c tuy\u1ebfn, x\u00e1c nh\u1eadn chain \u0111\u1ea7y \u0111\u1ee7, kh\u00f4ng c\u1ea3nh b\u00e1o mixed content.<\/li>\n<\/ol>\n<p style=\"text-align: justify;\">N\u1ebfu b\u1ea1n d\u00f9ng shared hosting ho\u1eb7c VPS c\u00f3 cPanel, c\u00e1c b\u01b0\u1edbc tr\u00ean g\u00f3i g\u1ecdn trong giao di\u1ec7n qu\u1ea3n tr\u1ecb. B\u00e0i <a style=\"color: #2563eb; font-weight: 600;\" href=\"https:\/\/interdata.vn\/blog\/cai-dat-ssl-tren-cpanel\/\">c\u00e0i \u0111\u1eb7t SSL tr\u00ean cPanel<\/a> h\u01b0\u1edbng d\u1eabn t\u1eebng thao t\u00e1c c\u1ee5 th\u1ec3 trong AutoSSL v\u00e0 SSL\/TLS Manager.<\/p>\n<h3 style=\"color: #1e3a8a; font-size: 19px; font-weight: bold; margin-top: 25px; margin-bottom: 12px;\">Ch\u1ee9ng ch\u1ec9 SSL h\u1ebft h\u1ea1n th\u00ec sao, gia h\u1ea1n th\u1ebf n\u00e0o?<\/h3>\n<p style=\"text-align: justify;\">Ch\u1ee9ng ch\u1ec9 h\u1ebft h\u1ea1n khi\u1ebfn tr\u00ecnh duy\u1ec7t ch\u1eb7n truy c\u1eadp b\u1eb1ng c\u1ea3nh b\u00e1o NET::ERR_CERT_DATE_INVALID, kh\u00f4ng ph\u1ea3i ch\u1ec9 c\u1ea3nh b\u00e1o nh\u1eb9 m\u00e0 ch\u1eb7n h\u1eb3n ng\u01b0\u1eddi d\u00f9ng v\u00e0o trang. SSL mi\u1ec5n ph\u00ed ki\u1ec3u Let&#8217;s Encrypt th\u01b0\u1eddng c\u00f3 h\u1ea1n 90 ng\u00e0y n\u00ean b\u1eaft bu\u1ed9c thi\u1ebft l\u1eadp cron job t\u1ef1 \u0111\u1ed9ng renew qua Certbot. SSL tr\u1ea3 ph\u00ed th\u01b0\u1eddng theo n\u0103m, n\u00ean \u0111\u1eb7t l\u1ecbch nh\u1eafc tr\u01b0\u1edbc \u00edt nh\u1ea5t hai tu\u1ea7n \u0111\u1ec3 x\u1eed l\u00fd k\u1ecbp, tr\u00e1nh gi\u00e1n \u0111o\u1ea1n d\u1ecbch v\u1ee5 v\u00e0o \u0111\u00fang l\u00fac cao \u0111i\u1ec3m kinh doanh.<\/p>\n<div style=\"display: flex; flex-wrap: wrap; background-color: #fff; border: 1.5px solid #BFDBFE; box-shadow: 0 8px 20px rgba(37,99,235,0.08); border-radius: 12px; overflow: hidden; margin: 35px 0;\">\n<div style=\"flex: 1; min-width: 250px; background: linear-gradient(135deg, #1E3A8A 0%, #2563EB 100%); display: flex; align-items: center; justify-content: center; padding: 30px; text-align: center;\">\n<div>\n<p style=\"color: white; font-size: 30px; font-family: 'Be Vietnam Pro', sans-serif; font-weight: bold; margin: 0; line-height: 1.1;\">Thu\u00ea VPS InterData<\/p>\n<p style=\"color: #dbeafe; font-size: 15px; font-weight: 600; margin-top: 12px;\">CPU th\u1ebf h\u1ec7 m\u1edbi \u00b7 To\u00e0n quy\u1ec1n c\u1ea5u h\u00ecnh cron &amp; Certbot<\/p>\n<\/div>\n<\/div>\n<div style=\"flex: 2; padding: 25px; min-width: 300px;\">\n<h3 style=\"font-family: 'Be Vietnam Pro', sans-serif; color: #1e3a8a; margin-top: 0; font-size: 20px;\">Mu\u1ed1n t\u1ef1 \u0111\u1ed9ng h\u00f3a gia h\u1ea1n SSL qua cron, kh\u00f4ng ph\u1ee5 thu\u1ed9c thao t\u00e1c th\u1ee7 c\u00f4ng?<\/h3>\n<p style=\"text-align: justify; font-size: 15px; margin-bottom: 15px;\">T\u1ef1 thi\u1ebft l\u1eadp Certbot, t\u1ef1 c\u1ea5u h\u00ecnh cron renew, t\u1ef1 ki\u1ec3m so\u00e1t log SSL c\u1ea7n quy\u1ec1n truy c\u1eadp SSH \u0111\u1ea7y \u0111\u1ee7. VPS InterData cho quy\u1ec1n root \u0111\u1ec3 c\u00e0i \u0111\u1eb7t, debug v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u00f3a to\u00e0n b\u1ed9 v\u00f2ng \u0111\u1eddi ch\u1ee9ng ch\u1ec9 theo c\u00e1ch b\u1ea1n mu\u1ed1n.<\/p>\n<p><a style=\"background: linear-gradient(90deg, #2563EB 0%, #1E3A8A 100%); color: white; padding: 12px 25px; text-decoration: none; font-weight: 600; border-radius: 8px; font-size: 15px; display: inline-block; box-shadow: 0 5px 15px rgba(37,99,235,0.3);\" href=\"https:\/\/interdata.vn\/thue-vps\/\" target=\"_blank\" rel=\"noopener\">Thu\u00ea VPS root t\u1ef1 c\u1ea5u h\u00ecnh SSL \u27f6<\/a><\/p>\n<\/div>\n<\/div>\n<h2 id=\"section7\" style=\"color: #1e3a8a; font-size: 24px; font-weight: bold; text-align: left; border-left: 5px solid #2563EB; padding-left: 15px; margin-top: 40px; margin-bottom: 20px; line-height: 1.4;\">C\u00e1c l\u1ed7i SSL th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch x\u1eed l\u00fd<\/h2>\n<p style=\"text-align: justify;\">Ph\u1ea7n l\u1edbn l\u1ed7i SSL l\u1eb7p l\u1ea1i gi\u1eefa c\u00e1c d\u1ef1 \u00e1n \u0111\u1ec1u r\u01a1i v\u00e0o m\u1ed9t trong s\u1ed1 \u00edt nguy\u00ean nh\u00e2n sau, x\u1eed l\u00fd \u0111\u00fang g\u1ed1c thay v\u00ec ch\u1ec9 t\u1eaft c\u1ea3nh b\u00e1o tr\u00ean tr\u00ecnh duy\u1ec7t.<\/p>\n<ul style=\"list-style-type: disc; padding-left: 20px; margin-bottom: 25px; color: #1f2937;\">\n<li style=\"margin-bottom: 10px;\"><strong>NET::ERR_CERT_AUTHORITY_INVALID:<\/strong> ch\u1ee9ng ch\u1ec9 t\u1ef1 k\u00fd ho\u1eb7c thi\u1ebfu intermediate certificate. Ki\u1ec3m tra l\u1ea1i \u0111\u00e3 c\u00e0i \u0111\u1ee7 file chain CA cung c\u1ea5p ch\u01b0a.<\/li>\n<li style=\"margin-bottom: 10px;\"><strong>SSL_ERROR_BAD_CERT_DOMAIN:<\/strong> ch\u1ee9ng ch\u1ec9 c\u1ea5p cho domain kh\u00e1c v\u1edbi domain \u0111ang truy c\u1eadp, th\u01b0\u1eddng do qu\u00ean khai www ho\u1eb7c subdomain trong CSR\/SAN.<\/li>\n<li style=\"margin-bottom: 10px;\"><strong>NET::ERR_CERT_DATE_INVALID:<\/strong> ch\u1ee9ng ch\u1ec9 \u0111\u00e3 h\u1ebft h\u1ea1n, c\u1ea7n gia h\u1ea1n ngay v\u00e0 ki\u1ec3m tra l\u1ea1i l\u1ecbch t\u1ef1 \u0111\u1ed9ng renew.<\/li>\n<li style=\"margin-bottom: 10px;\"><strong>Mixed content warning:<\/strong> trang HTTPS nh\u01b0ng c\u00f2n nh\u00fang \u1ea3nh, script, CSS g\u1ecdi qua HTTP, c\u1ea7n r\u00e0 l\u1ea1i to\u00e0n b\u1ed9 \u0111\u01b0\u1eddng d\u1eabn t\u00e0i nguy\u00ean trong m\u00e3 ngu\u1ed3n.<\/li>\n<li style=\"margin-bottom: 10px;\"><strong>Sai l\u1ec7ch gi\u1edd h\u1ec7 th\u1ed1ng (clock skew):<\/strong> \u0111\u1ed3ng h\u1ed3 server l\u1ec7ch qu\u00e1 xa so v\u1edbi chu\u1ea9n khi\u1ebfn qu\u00e1 tr\u00ecnh x\u00e1c th\u1ef1c ch\u1ee9ng ch\u1ec9 th\u1ea5t b\u1ea1i, c\u1ea7n \u0111\u1ed3ng b\u1ed9 NTP.<\/li>\n<li style=\"margin-bottom: 10px;\"><strong>Redirect loop khi d\u00f9ng CDN:<\/strong> ch\u1ebf \u0111\u1ed9 SSL tr\u00ean CDN kh\u00f4ng kh\u1edbp v\u1edbi origin, th\u01b0\u1eddng g\u1eb7p khi b\u1eadt Flexible SSL tr\u00ean Cloudflare trong khi origin ch\u01b0a c\u00f3 ch\u1ee9ng ch\u1ec9 h\u1ee3p l\u1ec7.<\/li>\n<\/ul>\n<div style=\"background: #EFF6FF; border: 1px dashed #2563EB; padding: 22px; margin: 30px 0; border-radius: 12px;\">\n<p style=\"font-family: 'Be Vietnam Pro', sans-serif; font-size: 18px; font-weight: bold; color: #1e3a8a; margin: 0 0 8px;\">\u0110ang c\u00e2n nh\u1eafc chi ph\u00ed VPS\/Cloud Server \u0111\u1ec3 tri\u1ec3n khai SSL?<\/p>\n<p style=\"font-size: 15px; color: #4b5563; margin: 0 0 16px;\">Xem tr\u01b0\u1edbc m\u00e3 gi\u1ea3m gi\u00e1, th\u1eddi gian \u00e1p d\u1ee5ng v\u00e0 \u0111i\u1ec1u ki\u1ec7n \u0111\u0103ng k\u00fd \u0111\u1ec3 ch\u1ecdn \u0111\u00fang g\u00f3i tr\u01b0\u1edbc khi mua ch\u1ee9ng ch\u1ec9 SSL v\u00e0 h\u1ea1 t\u1ea7ng \u0111i k\u00e8m.<\/p>\n<p><a style=\"background: #2563EB; color: #fff; padding: 12px 26px; text-decoration: none; font-weight: 600; border-radius: 8px; display: inline-block;\" href=\"https:\/\/interdata.vn\/canhme\/\" target=\"_blank\" rel=\"noopener\">S\u0103n hot deals VPS &amp; Cloud Server t\u1ea1i Canh Me \u27f6<\/a><\/p>\n<\/div>\n<h2 id=\"section8\" style=\"color: #1e3a8a; font-size: 24px; font-weight: bold; text-align: left; border-left: 5px solid #2563EB; padding-left: 15px; margin-top: 40px; margin-bottom: 20px; line-height: 1.4;\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 ch\u1ee9ng ch\u1ec9 SSL<\/h2>\n<h3 style=\"color: #1e3a8a; font-size: 18px; font-weight: bold; margin-top: 20px; margin-bottom: 10px;\">Ch\u1ee9ng ch\u1ec9 SSL c\u00f3 b\u1eaft bu\u1ed9c kh\u00f4ng?<\/h3>\n<p style=\"text-align: justify;\">Kh\u00f4ng c\u00f3 quy \u0111\u1ecbnh ph\u00e1p l\u00fd \u00e9p bu\u1ed9c, nh\u01b0ng tr\u00ecnh duy\u1ec7t hi\u1ec7n \u0111\u1ea1i m\u1eb7c \u0111\u1ecbnh c\u1ea3nh b\u00e1o m\u1ecdi site ch\u1ea1y HTTP thu\u1ea7n. V\u1edbi site c\u00f3 form, thanh to\u00e1n ho\u1eb7c thu th\u1eadp d\u1eef li\u1ec7u ng\u01b0\u1eddi d\u00f9ng, kh\u00f4ng c\u00e0i SSL g\u1ea7n nh\u01b0 \u0111\u1ed3ng ngh\u0129a m\u1ea5t kh\u00e1ch ngay t\u1eeb l\u01b0\u1ee3t truy c\u1eadp \u0111\u1ea7u ti\u00ean.<\/p>\n<h3 style=\"color: #1e3a8a; font-size: 18px; font-weight: bold; margin-top: 20px; margin-bottom: 10px;\">Website kh\u00f4ng c\u00f3 SSL b\u1ecb \u1ea3nh h\u01b0\u1edfng g\u00ec?<\/h3>\n<p style=\"text-align: justify;\">B\u1ecb g\u1eafn nh\u00e3n &#8220;Kh\u00f4ng b\u1ea3o m\u1eadt&#8221; tr\u00ean Chrome, m\u1ea5t ni\u1ec1m tin kh\u00e1ch h\u00e0ng, d\u1eef li\u1ec7u form c\u00f3 nguy c\u01a1 b\u1ecb ch\u1eb7n gi\u1eefa \u0111\u01b0\u1eddng truy\u1ec1n, v\u00e0 b\u1ea5t l\u1ee3i nh\u1eb9 v\u1ec1 SEO v\u00ec Google \u01b0u ti\u00ean x\u1ebfp h\u1ea1ng site c\u00f3 HTTPS khi c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c t\u01b0\u01a1ng \u0111\u01b0\u01a1ng.<\/p>\n<h3 style=\"color: #1e3a8a; font-size: 18px; font-weight: bold; margin-top: 20px; margin-bottom: 10px;\">SSL v\u00e0 TLS kh\u00e1c nhau th\u1ebf n\u00e0o?<\/h3>\n<p style=\"text-align: justify;\">SSL l\u00e0 giao th\u1ee9c m\u00e3 h\u00f3a c\u0169 \u0111\u00e3 ng\u1eebng d\u00f9ng do l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt. TLS l\u00e0 b\u1ea3n k\u1ebf th\u1eeba, hi\u1ec7n \u0111ang ch\u1ea1y th\u1ef1c t\u1ebf tr\u00ean h\u1ea7u h\u1ebft website (TLS 1.2, 1.3). T\u00ean g\u1ecdi &#8220;ch\u1ee9ng ch\u1ec9 SSL&#8221; v\u1eabn \u0111\u01b0\u1ee3c d\u00f9ng ph\u1ed5 bi\u1ebfn do th\u00f3i quen ng\u00e0nh, kh\u00f4ng ph\u1ea3n \u00e1nh \u0111\u00fang giao th\u1ee9c \u0111ang ch\u1ea1y.<\/p>\n<h3 style=\"color: #1e3a8a; font-size: 18px; font-weight: bold; margin-top: 20px; margin-bottom: 10px;\">Ch\u1ee9ng ch\u1ec9 SSL h\u1ebft h\u1ea1n th\u00ec sao, c\u00e1ch gia h\u1ea1n ra sao?<\/h3>\n<p style=\"text-align: justify;\">Ch\u1ee9ng ch\u1ec9 h\u1ebft h\u1ea1n khi\u1ebfn tr\u00ecnh duy\u1ec7t ch\u1eb7n truy c\u1eadp b\u1eb1ng c\u1ea3nh b\u00e1o l\u1ed7i ng\u00e0y th\u00e1ng. Gia h\u1ea1n b\u1eb1ng c\u00e1ch t\u1ea1o l\u1ea1i CSR v\u00e0 x\u00e1c minh domain v\u1edbi CA (ho\u1eb7c ch\u1ea1y l\u1ec7nh renew t\u1ef1 \u0111\u1ed9ng n\u1ebfu d\u00f9ng Let&#8217;s Encrypt\/Certbot), sau \u0111\u00f3 c\u00e0i ch\u1ee9ng ch\u1ec9 m\u1edbi thay th\u1ebf file c\u0169 tr\u00ean server.<\/p>\n<h3 style=\"color: #1e3a8a; font-size: 18px; font-weight: bold; margin-top: 20px; margin-bottom: 10px;\">Mua ch\u1ee9ng ch\u1ec9 SSL \u1edf \u0111\u00e2u, gi\u00e1 bao nhi\u00eau?<\/h3>\n<p style=\"text-align: justify;\">C\u00f3 hai h\u01b0\u1edbng: d\u00f9ng ch\u1ee9ng ch\u1ec9 mi\u1ec5n ph\u00ed nh\u01b0 Let&#8217;s Encrypt n\u1ebfu ch\u1ec9 c\u1ea7n DV, ho\u1eb7c mua qua CA\/nh\u00e0 cung c\u1ea5p hosting n\u1ebfu c\u1ea7n OV, EV, Wildcard hay Multi-domain. Chi ph\u00ed dao \u0111\u1ed9ng t\u00f9y lo\u1ea1i ch\u1ee9ng ch\u1ec9 v\u00e0 \u0111\u01a1n v\u1ecb c\u1ea5p, n\u00ean so s\u00e1nh tr\u1ef1c ti\u1ebfp b\u1ea3ng gi\u00e1 c\u1ee7a CA ho\u1eb7c nh\u00e0 cung c\u1ea5p tr\u01b0\u1edbc khi quy\u1ebft \u0111\u1ecbnh thay v\u00ec \u01b0\u1edbc l\u01b0\u1ee3ng chung.<\/p>\n<div style=\"border-top: 2px dashed #BFDBFE; margin-top: 50px; padding-top: 30px;\">\n<h3 style=\"font-family: 'Be Vietnam Pro', sans-serif; color: #1e3a8a; font-size: 22px; font-weight: bold; margin-bottom: 15px;\">Ch\u1ecdn \u0111\u00fang ch\u1ee9ng ch\u1ec9 SSL v\u00e0 l\u00e0m \u0111\u00fang ngay t\u1eeb \u0111\u1ea7u<\/h3>\n<p style=\"text-align: justify;\">Ch\u1ee9ng ch\u1ec9 SSL kh\u00f4ng ph\u1ea3i th\u1ee9 mua r\u1ed3i \u0111\u1ec3 \u0111\u00f3. Ch\u1ecdn \u0111\u00fang lo\u1ea1i theo s\u1ed1 l\u01b0\u1ee3ng domain\/subdomain, c\u00e0i \u0111\u1ee7 chain, v\u00e0 c\u00f3 l\u1ecbch gia h\u1ea1n r\u00f5 r\u00e0ng l\u00e0 ba vi\u1ec7c quy\u1ebft \u0111\u1ecbnh website c\u00f3 tr\u00e1nh \u0111\u01b0\u1ee3c c\u1ea3nh b\u00e1o &#8220;Kh\u00f4ng b\u1ea3o m\u1eadt&#8221; hay kh\u00f4ng. V\u1edbi site nh\u1ecf, DV mi\u1ec5n ph\u00ed k\u00e8m renew t\u1ef1 \u0111\u1ed9ng l\u00e0 \u0111\u1ee7. V\u1edbi site giao d\u1ecbch, nhi\u1ec1u subdomain ho\u1eb7c c\u1ea7n th\u1ec3 hi\u1ec7n ph\u00e1p nh\u00e2n, \u0111\u1ea7u t\u01b0 OV\/EV v\u00e0 h\u1ea1 t\u1ea7ng c\u00f3 quy\u1ec1n ki\u1ec3m so\u00e1t c\u1ea5u h\u00ecnh l\u00e0 h\u01b0\u1edbng \u0111\u00fang.<\/p>\n<div style=\"background: #EFF6FF; border: 1px solid #2563EB; padding: 30px; margin-top: 25px; border-radius: 12px; text-align: center;\">\n<p style=\"font-family: 'Be Vietnam Pro', sans-serif; font-size: 20px; font-weight: bold; color: #1e3a8a; margin-top: 0;\">C\u1ea7n h\u1ea1 t\u1ea7ng \u0111\u1ec3 t\u1ef1 c\u00e0i, t\u1ef1 gia h\u1ea1n SSL kh\u00f4ng gi\u1edbi h\u1ea1n thao t\u00e1c?<\/p>\n<p style=\"font-size: 15px; margin-bottom: 20px; color: #4b5563;\">VPS InterData cho quy\u1ec1n root \u0111\u1ea7y \u0111\u1ee7 \u0111\u1ec3 tri\u1ec3n khai Certbot, c\u1ea5u h\u00ecnh Nginx\/Apache theo \u0111\u00fang \u00fd b\u1ea1n.<\/p>\n<p><a style=\"background: #2563EB; color: #ffffff; padding: 12px 30px; text-decoration: none; font-weight: 600; border-radius: 6px; display: inline-block;\" href=\"https:\/\/interdata.vn\/thue-vps\/\" target=\"_blank\" rel=\"noopener\">Thu\u00ea VPS c\u00e0i SSL ngay \u27f6<\/a><\/p>\n<\/div>\n<\/div>\n<p style=\"text-align: justify; font-size: 13px; font-style: italic; color: #6b7280; margin-top: 30px; border-top: 1px solid #E5E7EB; padding-top: 15px;\"><span style=\"font-size: 100%;\"><em>N\u1ed9i dung b\u00e0i vi\u1ebft mang t\u00ednh tham kh\u1ea3o k\u1ef9 thu\u1eadt. C\u00e1c b\u01b0\u1edbc t\u1ea1o CSR, x\u00e1c minh domain, c\u00e0i \u0111\u1eb7t v\u00e0 gia h\u1ea1n ch\u1ee9ng ch\u1ec9 SSL c\u00f3 th\u1ec3 kh\u00e1c nhau t\u00f9y CA ph\u00e1t h\u00e0nh, lo\u1ea1i ch\u1ee9ng ch\u1ec9 (DV\/OV\/EV\/Wildcard\/Multi-domain), control panel (cPanel, DirectAdmin, Plesk) v\u00e0 web server \u0111ang d\u00f9ng (Nginx, Apache, IIS). N\u00ean sao l\u01b0u c\u1ea5u h\u00ecnh v\u00e0 ki\u1ec3m th\u1eed tr\u00ean m\u00f4i tr\u01b0\u1eddng staging tr\u01b0\u1edbc khi \u00e1p d\u1ee5ng cho production.<\/em><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ch\u1ee9ng ch\u1ec9 SSL l\u00e0 file d\u1eef li\u1ec7u m\u00e3 h\u00f3a g\u1eafn v\u1edbi domain, gi\u00fap tr\u00ecnh duy\u1ec7t v\u00e0 server trao \u0111\u1ed5i d\u1eef li\u1ec7u qua m\u1ed9t k\u00eanh ri\u00eang thay v\u00ec g\u1eedi th\u00f4ng tin d\u1ea1ng th\u00f4. Thi\u1ebfu n\u00f3, Chrome g\u1eafn nh\u00e3n &#8220;Kh\u00f4ng b\u1ea3o m\u1eadt&#8221; ngay tr\u00ean thanh \u0111\u1ecba ch\u1ec9, kh\u00e1ch r\u1eddi trang tr\u01b0\u1edbc khi \u0111\u1ecdc n\u1ed9i dung, v\u00e0 Google<\/p>\n","protected":false},"author":2,"featured_media":42920,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[100],"tags":[62,61,60],"class_list":["post-16688","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-website","tag-bao-mat","tag-hosting","tag-ssl"],"_links":{"self":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/16688","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\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/comments?post=16688"}],"version-history":[{"count":14,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/16688\/revisions"}],"predecessor-version":[{"id":42923,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/16688\/revisions\/42923"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media\/42920"}],"wp:attachment":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media?parent=16688"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/categories?post=16688"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/tags?post=16688"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}