{"id":3469,"date":"2026-10-22T12:52:15","date_gmt":"2026-10-22T12:52:15","guid":{"rendered":"https:\/\/potenting.com\/vi\/blog\/how-to-secure-a-dedicated-server-security-measures\/"},"modified":"2026-10-22T13:52:28","modified_gmt":"2026-10-22T13:52:28","slug":"how-to-secure-a-dedicated-server-security-measures-vi","status":"publish","type":"post","link":"https:\/\/potenting.com\/vi\/blog\/how-to-secure-a-dedicated-server-security-measures\/","title":{"rendered":"L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 b\u1ea3o m\u1eadt m\u00e1y ch\u1ee7 chuy\u00ean d\u1ee5ng? C\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"3469\" class=\"elementor elementor-3469\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-70ff685 e-flex e-con-boxed e-con e-parent\" data-id=\"70ff685\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a481b97 elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"a481b97\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;exclude_headings_by_selector&quot;:[],&quot;no_headings_message&quot;:&quot;Kh\\u00f4ng t\\u00ecm th\\u1ea5y ti\\u00eau \\u0111\\u1ec1 n\\u00e0o tr\\u00ean trang n\\u00e0y.&quot;,&quot;headings_by_tags&quot;:[&quot;h2&quot;,&quot;h3&quot;,&quot;h4&quot;,&quot;h5&quot;,&quot;h6&quot;],&quot;marker_view&quot;:&quot;numbers&quot;,&quot;minimize_box&quot;:&quot;yes&quot;,&quot;minimized_on&quot;:&quot;tablet&quot;,&quot;hierarchical_view&quot;:&quot;yes&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__header\">\n\t\t\t\t\t\t<div class=\"elementor-toc__header-title\">\n\t\t\t\tM\u1ee5c l\u1ee5c\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--expand\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__a481b97\" aria-expanded=\"true\" aria-label=\"Open table of contents\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__a481b97\" aria-expanded=\"true\" aria-label=\"Close table of contents\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-up\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<div id=\"elementor-toc__a481b97\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<svg class=\"elementor-toc__spinner eicon-animation-spin e-font-icon-svg e-eicon-loading\" aria-hidden=\"true\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M500 975V858C696 858 858 696 858 500S696 142 500 142 142 304 142 500H25C25 237 238 25 500 25S975 237 975 500 763 975 500 975Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8ba2483 e-flex e-con-boxed e-con e-parent\" data-id=\"8ba2483\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ca198f7 elementor-widget elementor-widget-text-editor\" data-id=\"ca198f7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>B\u1ea3o m\u1eadt l\u00e0 m\u1ed9t trong nh\u1eefng y\u00eau c\u1ea7u quan tr\u1ecdng nh\u1ea5t \u0111\u1ed1i v\u1edbi h\u1ea1 t\u1ea7ng v\u00e0 m\u00e1y ch\u1ee7, v\u00e0 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o b\u1ea3o m\u1eadt c\u1ea7n \u00e1p d\u1ee5ng nhi\u1ec1u bi\u1ec7n ph\u00e1p kh\u00e1c nhau. B\u1ea3o m\u1eadt quan tr\u1ecdng v\u1edbi m\u1ecdi lo\u1ea1i hosting v\u00e0 m\u00e1y ch\u1ee7. Tuy nhi\u00ean, v\u00ec v\u1edbi m\u00e1y ch\u1ee7 chuy\u00ean d\u1ee5ng, nh\u00e0 cung c\u1ea5p kh\u00f4ng ch\u1ecbu tr\u00e1ch nhi\u1ec7m v\u1ec1 b\u1ea3o m\u1eadt m\u00e0 to\u00e0n b\u1ed9 m\u00e1y ch\u1ee7 c\u00f9ng c\u00e1c c\u1ea5u h\u00ecnh c\u1ee7a n\u00f3 \u0111\u1ec1u do ng\u01b0\u1eddi d\u00f9ng \u0111\u1ea3m nh\u1eadn, n\u00ean vi\u1ec7c \u0111\u1ea3m b\u1ea3o b\u1ea3o m\u1eadt c\u00e0ng tr\u1edf n\u00ean quan tr\u1ecdng h\u01a1n. M\u1eb7c d\u00f9 t\u1ea1i Potenting, ngay c\u1ea3 v\u1edbi m\u00e1y ch\u1ee7 chuy\u00ean d\u1ee5ng, b\u1ea3o m\u1eadt m\u1ea1ng v\u00e0 k\u1ebft n\u1ed1i v\u1eabn thu\u1ed9c tr\u00e1ch nhi\u1ec7m c\u1ee7a nh\u00e0 cung c\u1ea5p, ng\u01b0\u1eddi d\u00f9ng m\u00e1y ch\u1ee7 chuy\u00ean d\u1ee5ng v\u1eabn n\u00ean th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt c\u1ea7n thi\u1ebft.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-052830b e-flex e-con-boxed e-con e-parent\" data-id=\"052830b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-37918ba elementor-widget elementor-widget-text-editor\" data-id=\"37918ba\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>B\u1ea3o m\u1eadt tr\u00ean m\u00e1y ch\u1ee7 chuy\u00ean d\u1ee5ng<\/h2><p>M\u00e1y ch\u1ee7 chuy\u00ean d\u1ee5ng mang l\u1ea1i \u0111\u1ed9 b\u1ea3o m\u1eadt v\u00e0 \u1ed5n \u0111\u1ecbnh cao h\u01a1n so v\u1edbi c\u00e1c lo\u1ea1i hosting kh\u00e1c nh\u01b0 shared hosting v\u00e0 VPS hosting. Trong c\u00e1c m\u00f4i tr\u01b0\u1eddng hosting kh\u00e1c, nguy c\u01a1 b\u1ecb \u0111e d\u1ecda cao h\u01a1n v\u00ec c\u00f3 nh\u1eefng ng\u01b0\u1eddi d\u00f9ng kh\u00e1c c\u00f9ng chia s\u1ebb t\u00e0i nguy\u00ean. Tuy nhi\u00ean, do vi\u1ec7c qu\u1ea3n l\u00fd m\u00e1y ch\u1ee7 do nh\u00e0 cung c\u1ea5p \u0111\u1ea3m nh\u1eadn, ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng c\u00f3 nhi\u1ec1u l\u1ef1a ch\u1ecdn \u0111\u1ec3 tri\u1ec3n khai c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt.<\/p><p>V\u1edbi m\u00e1y ch\u1ee7 chuy\u00ean d\u1ee5ng, b\u1ea1n c\u00f3 th\u1ec3 c\u1ea5u h\u00ecnh v\u00e0 t\u00f9y ch\u1ec9nh m\u00e1y ch\u1ee7 theo \u00fd mu\u1ed1n. Tuy nhi\u00ean, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 b\u1ea1n ph\u1ea3i \u0111\u1ea3m b\u1ea3o tri\u1ec3n khai \u0111\u1ea7y \u0111\u1ee7 c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt c\u1ea7n thi\u1ebft.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-01bb280 e-flex e-con-boxed e-con e-parent\" data-id=\"01bb280\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1c0602b elementor-widget elementor-widget-text-editor\" data-id=\"1c0602b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>C\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt cho m\u00e1y ch\u1ee7 chuy\u00ean d\u1ee5ng<\/h2><p>Nh\u1eefng c\u00e1ch quan tr\u1ecdng nh\u1ea5t \u0111\u1ec3 c\u1ea3i thi\u1ec7n t\u00ednh b\u1ea3o m\u1eadt v\u00e0 \u1ed5n \u0111\u1ecbnh c\u1ee7a m\u00e1y ch\u1ee7 chuy\u00ean d\u1ee5ng bao g\u1ed3m:<\/p><ul><li><h3>C\u1eadp nh\u1eadt v\u00e0 duy tr\u00ec ph\u1ea7n m\u1ec1m lu\u00f4n \u1edf phi\u00ean b\u1ea3n m\u1edbi nh\u1ea5t<\/h3><\/li><\/ul><p style=\"padding-left: 40px;\">\u0110i\u1ec1u n\u00e0y c\u00f3 v\u1ebb kh\u00f4ng quan tr\u1ecdng, v\u00e0 b\u1ea1n c\u00f3 th\u1ec3 ngh\u0129 r\u1eb1ng kh\u00f4ng nh\u1ea5t thi\u1ebft ph\u1ea3i c\u00e0i \u0111\u1eb7t b\u1ea3n c\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m ngay trong ng\u00e0y ph\u00e1t h\u00e0nh. Tuy nhi\u00ean, th\u1ef1c t\u1ebf kh\u00f4ng ph\u1ea3i v\u1eady. C\u1eadp nh\u1eadt k\u1ecbp th\u1eddi v\u00e0 th\u01b0\u1eddng xuy\u00ean cho ph\u1ea7n m\u1ec1m v\u00e0 h\u1ec7 \u0111i\u1ec1u h\u00e0nh c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 b\u1ea3o m\u1eadt c\u1ee7a m\u00e1y ch\u1ee7. C\u00e1c b\u1ea3n c\u1eadp nh\u1eadt v\u00e1 nh\u1eefng l\u1ed7 h\u1ed5ng \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n trong ph\u1ea7n m\u1ec1m, ng\u0103n hacker khai th\u00e1c ch\u00fang \u0111\u1ec3 g\u00e2y h\u1ea1i cho h\u1ec7 th\u1ed1ng.<\/p><p style=\"padding-left: 40px;\">T\u1ed1t nh\u1ea5t l\u00e0 n\u00ean t\u1ef1 \u0111\u1ed9ng h\u00f3a vi\u1ec7c c\u1eadp nh\u1eadt \u0111\u1ec3 qu\u00e1 tr\u00ecnh n\u00e0y di\u1ec5n ra su\u00f4n s\u1ebb. Tuy nhi\u00ean, c\u1eadp nh\u1eadt kh\u00f4ng ch\u1ec9 gi\u1edbi h\u1ea1n \u1edf ph\u1ea7n m\u1ec1m, b\u1ea1n c\u0169ng c\u1ea7n quan t\u00e2m \u0111\u1ebfn ph\u1ea7n c\u1ee9ng. H\u00e3y lu\u00f4n gi\u1eef ph\u1ea7n c\u1ee9ng trong t\u00ecnh tr\u1ea1ng t\u1ed1t v\u00e0 \u0111\u01b0\u1ee3c n\u00e2ng c\u1ea5p k\u1ecbp th\u1eddi \u0111\u1ec3 h\u1ea1n ch\u1ebf t\u1ed1i \u0111a s\u1ef1 gi\u00e1n \u0111o\u1ea1n.<\/p><ul><li><h3>L\u01b0u \u00fd \u0111\u1ebfn c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng m\u1ea1ng<\/h3><\/li><\/ul><p style=\"padding-left: 40px;\">Nh\u01b0 \u0111\u00e3 \u0111\u1ec1 c\u1eadp \u1edf tr\u00ean, ph\u1ea7n c\u1ee9ng c\u1ea7n \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt v\u00e0 \u1edf trong t\u00ecnh tr\u1ea1ng t\u1ed1t. B\u1ea1n c\u00f3 th\u1ec3 th\u1eafc m\u1eafc t\u1ea1i sao \u0111i\u1ec1u n\u00e0y l\u1ea1i quan tr\u1ecdng, khi hacker kh\u00f4ng th\u1ec3 tr\u1ef1c ti\u1ebfp l\u00e0m h\u1ecfng ph\u1ea7n c\u1ee9ng. Tuy nhi\u00ean, ch\u00fang c\u00f3 th\u1ec3 g\u00e2y \u00e1p l\u1ef1c l\u00ean ph\u1ea7n c\u1ee9ng c\u1ee7a b\u1ea1n t\u1eeb xa v\u00e0 g\u00e2y ra h\u01b0 h\u1ea1i. B\u1eb1ng c\u00e1ch n\u00e0o? Th\u00f4ng qua nhi\u1ec1u h\u00ecnh th\u1ee9c t\u1ea5n c\u00f4ng m\u1ea1ng kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 t\u1ea5n c\u00f4ng DDoS.<\/p><p style=\"padding-left: 40px;\">Ph\u1ea7n c\u1ee9ng c\u1ee7a b\u1ea1n ph\u1ea3i \u1edf trong t\u00ecnh tr\u1ea1ng t\u1ed1t \u0111\u1ec3 duy tr\u00ec s\u1ef1 \u1ed5n \u0111\u1ecbnh khi b\u1ecb t\u1ea5n c\u00f4ng DDoS. \u0110\u1ed3ng th\u1eddi, t\u01b0\u1eddng l\u1eeda v\u00e0 c\u00e1c c\u01a1 ch\u1ebf b\u1ea3o v\u1ec7 kh\u00e1c c\u0169ng ph\u1ea3i \u0111\u1ee7 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu nh\u1eefng cu\u1ed9c t\u1ea5n c\u00f4ng n\u00e0y. C\u00f3 nhi\u1ec1u bi\u1ec7n ph\u00e1p b\u1ea1n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n v\u00e0 ng\u0103n ch\u1eb7n c\u00e1c lo\u1ea1i m\u1ed1i \u0111e d\u1ecda n\u00e0y.<\/p><ul><li><h3>S\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m di\u1ec7t virus<\/h3><\/li><\/ul><p style=\"padding-left: 40px;\">Vi\u1ec7c ph\u00e1t hi\u1ec7n v\u00e0 lo\u1ea1i b\u1ecf ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i l\u00e0 r\u1ea5t quan tr\u1ecdng. B\u1ea1n c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m di\u1ec7t virus uy t\u00edn, qu\u00e9t m\u00e3 \u0111\u1ed9c v\u00e0 \u00e1p d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p t\u01b0\u01a1ng t\u1ef1. N\u1ebfu lo ng\u1ea1i c\u00e1c l\u1ea7n qu\u00e9t n\u00e0y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp v\u00e0 hi\u1ec7u su\u1ea5t m\u00e1y ch\u1ee7, b\u1ea1n c\u00f3 th\u1ec3 l\u00ean l\u1ecbch ch\u1ea1y ch\u00fang v\u00e0o nh\u1eefng th\u1eddi \u0111i\u1ec3m m\u00e1y ch\u1ee7 c\u00f3 \u00edt l\u01b0u l\u01b0\u1ee3ng nh\u1ea5t.<\/p><p style=\"padding-left: 40px;\">Ph\u1ea7n m\u1ec1m b\u1ea3o m\u1eadt cung c\u1ea5p nhi\u1ec1u t\u00ednh n\u0103ng kh\u00e1c nhau, v\u00e0 c\u00e1c c\u00f4ng c\u1ee5 n\u00e2ng cao c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i ngay khi ph\u00e1t hi\u1ec7n.<\/p><ul><li><h3>Thay \u0111\u1ed5i c\u1ed5ng SSH m\u1eb7c \u0111\u1ecbnh<\/h3><\/li><\/ul><p style=\"padding-left: 40px;\">Khi b\u1ea1n c\u00e0i \u0111\u1eb7t h\u1ec7 \u0111i\u1ec1u h\u00e0nh tr\u00ean m\u00e1y ch\u1ee7 chuy\u00ean d\u1ee5ng, SSH s\u1eed d\u1ee5ng c\u1ed5ng m\u1eb7c \u0111\u1ecbnh l\u00e0 c\u1ed5ng 22. \u0110\u1ec3 gi\u00fap ng\u0103n ch\u1eb7n c\u00e1c m\u1ed1i \u0111e d\u1ecda v\u00e0 t\u1ea5n c\u00f4ng, t\u1ed1t h\u01a1n h\u1ebft b\u1ea1n n\u00ean \u0111\u1ed5i c\u1ed5ng n\u00e0y sang m\u1ed9t s\u1ed1 \u0111\u01b0\u1ee3c ch\u1ecdn ng\u1eabu nhi\u00ean. M\u1ed9t \u0111i\u1ec3m quan tr\u1ecdng kh\u00e1c l\u00e0 h\u1ea1n ch\u1ebf quy\u1ec1n truy c\u1eadp c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0o m\u00e1y ch\u1ee7. Ng\u01b0\u1eddi d\u00f9ng ch\u1ec9 n\u00ean c\u00f3 m\u1ee9c quy\u1ec1n truy c\u1eadp m\u00e0 h\u1ecd th\u1ef1c s\u1ef1 c\u1ea7n.<\/p><ul><li><h3>S\u1eed d\u1ee5ng x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1<\/h3><\/li><\/ul><p style=\"padding-left: 40px;\">B\u1ed5 sung th\u00eam m\u1ed9t l\u1edbp b\u1ea3o m\u1eadt b\u00ean c\u1ea1nh m\u1eadt kh\u1ea9u gi\u00fap c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 b\u1ea3o m\u1eadt m\u00e1y ch\u1ee7. Khi \u0111\u00f3, ngay c\u1ea3 khi k\u1ebb t\u1ea5n c\u00f4ng l\u1ea5y \u0111\u01b0\u1ee3c m\u1eadt kh\u1ea9u m\u1ed9t c\u00e1ch tr\u00e1i ph\u00e9p, vi\u1ec7c truy c\u1eadp v\u00e0o m\u00e1y ch\u1ee7 v\u1eabn s\u1ebd kh\u00f3 kh\u0103n h\u01a1n.<\/p><ul><li><h3>S\u1eed d\u1ee5ng m\u1ea1ng an to\u00e0n<\/h3><\/li><\/ul><p style=\"padding-left: 40px;\">H\u00e3y lu\u00f4n \u0111\u1ea3m b\u1ea3o s\u1eed d\u1ee5ng k\u1ebft n\u1ed1i an to\u00e0n khi k\u1ebft n\u1ed1i \u0111\u1ebfn m\u00e1y ch\u1ee7, v\u00e0 t\u1ed1t nh\u1ea5t n\u00ean tr\u00e1nh d\u00f9ng m\u1ea1ng c\u00f4ng c\u1ed9ng. N\u1ebfu bu\u1ed9c ph\u1ea3i d\u00f9ng m\u1ea1ng c\u00f4ng c\u1ed9ng, h\u00e3y s\u1eed d\u1ee5ng VPN \u0111\u1ec3 m\u00e3 h\u00f3a l\u01b0u l\u01b0\u1ee3ng. \u0110i\u1ec3m n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng v\u00ec n\u00f3 gi\u00fap ng\u0103n ch\u1eb7n c\u00e1c m\u1ed1i \u0111e d\u1ecda nh\u01b0 t\u1ea5n c\u00f4ng xen gi\u1eefa (man-in-the-middle), \u0111\u00e1nh ch\u1eb7n d\u1eef li\u1ec7u v\u00e0 c\u00e1c r\u1ee7i ro t\u01b0\u01a1ng t\u1ef1.<\/p><ul><li><h3>T\u1ea1o b\u1ea3n sao l\u01b0u<\/h3><\/li><\/ul><p style=\"padding-left: 40px;\">Kh\u00f4ng bi\u1ec7n ph\u00e1p n\u00e0o trong s\u1ed1 n\u00e0y c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o b\u1ea3o m\u1eadt m\u00e1y ch\u1ee7 100%. V\u00ec v\u1eady, h\u00e3y sao l\u01b0u \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 n\u1ebfu x\u1ea3y ra truy c\u1eadp tr\u00e1i ph\u00e9p ho\u1eb7c d\u1eef li\u1ec7u b\u1ecb x\u00f3a v\u00ec b\u1ea5t k\u1ef3 l\u00fd do n\u00e0o kh\u00e1c, b\u1ea1n v\u1eabn c\u00f3 s\u1eb5n m\u1ed9t b\u1ea3n sao v\u00e0 c\u00f4ng s\u1ee9c c\u1ee7a b\u1ea1n kh\u00f4ng b\u1ecb m\u1ea5t.<\/p><p style=\"padding-left: 40px;\">M\u1ea5t d\u1eef li\u1ec7u kh\u00f4ng ch\u1ec9 x\u1ea3y ra do t\u1ea5n c\u00f4ng m\u1ea1ng. N\u00f3 c\u00f2n c\u00f3 th\u1ec3 b\u1eaft ngu\u1ed3n t\u1eeb h\u1ecfng h\u00f3c ph\u1ea7n c\u1ee9ng, s\u1ef1 c\u1ed1 c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 kh\u00e1c. V\u00ec v\u1eady, h\u00e3y th\u1ef1c s\u1ef1 coi tr\u1ecdng vi\u1ec7c sao l\u01b0u.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ad32410 elementor-widget elementor-widget-image\" data-id=\"ad32410\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"590\" src=\"https:\/\/potenting.com\/blog\/wp-content\/uploads\/2026\/10\/Security-Measures-for-Dedicated-Servers-1.webp\" class=\"attachment-large size-large wp-image-3406\" alt=\"Security Measures for Dedicated Servers\" srcset=\"https:\/\/potenting.com\/blog\/wp-content\/uploads\/2026\/10\/Security-Measures-for-Dedicated-Servers-1.webp 800w, https:\/\/potenting.com\/blog\/wp-content\/uploads\/2026\/10\/Security-Measures-for-Dedicated-Servers-1-300x221.webp 300w, https:\/\/potenting.com\/blog\/wp-content\/uploads\/2026\/10\/Security-Measures-for-Dedicated-Servers-1-768x566.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-cf10484 e-flex e-con-boxed e-con e-parent\" data-id=\"cf10484\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-703a4fe elementor-widget elementor-widget-text-editor\" data-id=\"703a4fe\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 c\u1ea3i thi\u1ec7n b\u1ea3o m\u1eadt m\u00e1y ch\u1ee7?<\/h2><p>Kh\u00f4ng ph\u1ea3i ai c\u1ea7n <a href=\"\/vi\/dedicated-servers\/\">m\u00e1y ch\u1ee7 chuy\u00ean d\u1ee5ng<\/a> c\u0169ng c\u00f3 ki\u1ebfn th\u1ee9c chuy\u00ean m\u00f4n hay k\u1ef9 thu\u1eadt s\u00e2u r\u1ed9ng trong l\u0129nh v\u1ef1c n\u00e0y, v\u00e0 kh\u00f4ng th\u1ec3 m\u1eb7c \u0111\u1ecbnh r\u1eb1ng ai c\u0169ng c\u00f3 th\u1ec3 tri\u1ec3n khai hi\u1ec7u qu\u1ea3 c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng th\u1ee7 v\u00e0 b\u1ea3o m\u1eadt m\u00e1y ch\u1ee7. \u0110\u1ea3m b\u1ea3o b\u1ea3o m\u1eadt l\u00e0 m\u1ed9t nhi\u1ec7m v\u1ee5 ph\u1ee9c t\u1ea1p v\u00e0 kh\u00f4ng th\u1ec3 xem nh\u1eb9 v\u00ec t\u1ea7m quan tr\u1ecdng c\u1ee7a n\u00f3. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, m\u00e1y ch\u1ee7 chuy\u00ean d\u1ee5ng \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd (managed) l\u00e0 m\u1ed9t trong nh\u1eefng l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t.<\/p><p>V\u1edbi m\u00e1y ch\u1ee7 chuy\u00ean d\u1ee5ng \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd, nh\u00e0 cung c\u1ea5p ch\u1ecbu tr\u00e1ch nhi\u1ec7m qu\u1ea3n l\u00fd v\u00e0 b\u1ea3o m\u1eadt m\u00e1y ch\u1ee7, n\u00ean ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng c\u00f2n ph\u1ea3i lo l\u1eafng v\u1ec1 kh\u00eda c\u1ea1nh n\u00e0y. Tuy nhi\u00ean, khi ch\u1ecdn d\u1ecbch v\u1ee5 n\u00e0y, vi\u1ec7c l\u1ef1a ch\u1ecdn nh\u00e0 cung c\u1ea5p c\u0169ng r\u1ea5t quan tr\u1ecdng. B\u1ea1n n\u00ean \u0111\u1ea3m b\u1ea3o r\u1eb1ng nh\u00e0 cung c\u1ea5p lu\u00f4n cam k\u1ebft th\u1ef1c hi\u1ec7n \u0111\u00fang c\u00e1c m\u1ee5c ti\u00eau \u0111\u00e3 \u0111\u1ec1 ra.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-506a1b1 e-flex e-con-boxed e-con e-parent\" data-id=\"506a1b1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3ccfdf3 elementor-widget elementor-widget-text-editor\" data-id=\"3ccfdf3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>T\u00f3m l\u1ea1i: C\u1ea7n c\u00e2n nh\u1eafc nh\u1eefng g\u00ec khi ch\u1ecdn m\u00e1y ch\u1ee7 chuy\u00ean d\u1ee5ng \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd an to\u00e0n?<\/h2><p>Khi ch\u1ecdn m\u00e1y ch\u1ee7 chuy\u00ean d\u1ee5ng \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd, b\u1ea1n n\u00ean \u0111\u00e1nh gi\u00e1 c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt, d\u1ecbch v\u1ee5 gi\u00e1m s\u00e1t, c\u00e1ch qu\u1ea3n l\u00fd c\u1eadp nh\u1eadt, ch\u00ednh s\u00e1ch sao l\u01b0u v\u00e0 quy tr\u00ecnh \u1ee9ng ph\u00f3 s\u1ef1 c\u1ed1 c\u1ee7a nh\u00e0 cung c\u1ea5p. \u0110i\u1ec1u quan tr\u1ecdng n\u1eefa l\u00e0 c\u1ea7n l\u00e0m r\u00f5 nh\u1eefng tr\u00e1ch nhi\u1ec7m b\u1ea3o m\u1eadt n\u00e0o do nh\u00e0 cung c\u1ea5p \u0111\u1ea3m nh\u1eadn v\u00e0 nh\u1eefng tr\u00e1ch nhi\u1ec7m n\u00e0o v\u1eabn thu\u1ed9c v\u1ec1 kh\u00e1ch h\u00e0ng. H\u00e3y \u0111\u1ea3m b\u1ea3o nh\u00e0 cung c\u1ea5p \u0111\u01b0a ra c\u00e1c th\u1ecfa thu\u1eadn m\u1ee9c d\u1ecbch v\u1ee5 (SLA) r\u00f5 r\u00e0ng, h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt \u0111\u00e1ng tin c\u1eady v\u00e0 ch\u00ednh s\u00e1ch minh b\u1ea1ch trong vi\u1ec7c x\u1eed l\u00fd c\u00e1c s\u1ef1 c\u1ed1 b\u1ea3o m\u1eadt.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-dbd4f25 e-flex e-con-boxed e-con e-parent\" data-id=\"dbd4f25\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-628db8b e-con-full e-flex e-con e-child\" data-id=\"628db8b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1714a2a elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"1714a2a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-far-question-circle\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119.043 8 8 119.083 8 256c0 136.997 111.043 248 248 248s248-111.003 248-248C504 119.083 392.957 8 256 8zm0 448c-110.532 0-200-89.431-200-200 0-110.495 89.472-200 200-200 110.491 0 200 89.471 200 200 0 110.53-89.431 200-200 200zm107.244-255.2c0 67.052-72.421 68.084-72.421 92.863V300c0 6.627-5.373 12-12 12h-45.647c-6.627 0-12-5.373-12-12v-8.659c0-35.745 27.1-50.034 47.579-61.516 17.561-9.845 28.324-16.541 28.324-29.579 0-17.246-21.999-28.693-39.784-28.693-23.189 0-33.894 10.977-48.942 29.969-4.057 5.12-11.46 6.071-16.666 2.124l-27.824-21.098c-5.107-3.872-6.251-11.066-2.644-16.363C184.846 131.491 214.94 112 261.794 112c49.071 0 101.45 38.304 101.45 88.8zM298 368c0 23.159-18.841 42-42 42s-42-18.841-42-42 18.841-42 42-42 42 18.841 42 42z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0d5435c e-con-full e-flex e-con e-child\" data-id=\"0d5435c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6173969 elementor-widget elementor-widget-text-editor\" data-id=\"6173969\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-251424f elementor-widget elementor-widget-text-editor\" data-id=\"251424f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h3>1. C\u00f3 nh\u1eefng lo\u1ea1i b\u1ea3o v\u1ec7 ch\u1ed1ng DDoS n\u00e0o?<\/h3><p style=\"padding-left: 40px;\">B\u1ea3o v\u1ec7 DDoS \u1edf t\u1ea7ng m\u1ea1ng ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u00e0m qu\u00e1 t\u1ea3i b\u0103ng th\u00f4ng v\u00e0 h\u1ea1 t\u1ea7ng m\u1ea1ng b\u1eb1ng l\u01b0\u1ee3ng l\u1edbn l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp. B\u1ea3o v\u1ec7 \u1edf t\u1ea7ng \u1ee9ng d\u1ee5ng nh\u1eafm v\u00e0o c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u00e0m c\u1ea1n ki\u1ec7t t\u00e0i nguy\u00ean m\u00e1y ch\u1ee7 b\u1eb1ng c\u00e1ch g\u1eedi s\u1ed1 l\u01b0\u1ee3ng l\u1edbn y\u00eau c\u1ea7u HTTP. C\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 WAF v\u00e0 gi\u1edbi h\u1ea1n t\u1ed1c \u0111\u1ed9 (rate limiting) gi\u00fap gi\u1ea3m thi\u1ec3u nh\u1eefng cu\u1ed9c t\u1ea5n c\u00f4ng n\u00e0y.<\/p><p style=\"padding-left: 40px;\">K\u1ebft h\u1ee3p c\u1ea3 hai ph\u01b0\u01a1ng ph\u00e1p gi\u00fap c\u1ea3i thi\u1ec7n b\u1ea3o m\u1eadt v\u00e0 t\u00ednh s\u1eb5n s\u00e0ng d\u1ecbch v\u1ee5 c\u1ee7a m\u00e1y ch\u1ee7 chuy\u00ean d\u1ee5ng.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f8a4e8c elementor-widget elementor-widget-text-editor\" data-id=\"f8a4e8c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h3>2. IDS v\u00e0 IPS kh\u00e1c nhau nh\u01b0 th\u1ebf n\u00e0o?<\/h3><p style=\"padding-left: 40px;\">H\u1ec7 th\u1ed1ng ph\u00e1t hi\u1ec7n x\u00e2m nh\u1eadp (IDS) gi\u00e1m s\u00e1t l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng v\u00e0 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y ch\u1ee7 \u0111\u1ec3 ph\u00e1t hi\u1ec7n h\u00e0nh vi \u0111\u00e1ng ng\u1edd v\u00e0 c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng ti\u1ec1m \u1ea9n. Khi ph\u00e1t hi\u1ec7n m\u1ed1i \u0111e d\u1ecda, h\u1ec7 th\u1ed1ng s\u1ebd c\u1ea3nh b\u00e1o qu\u1ea3n tr\u1ecb vi\u00ean m\u00e1y ch\u1ee7. Ng\u01b0\u1ee3c l\u1ea1i, h\u1ec7 th\u1ed1ng ng\u0103n ch\u1eb7n x\u00e2m nh\u1eadp (IPS) ngo\u00e0i vi\u1ec7c ph\u00e1t hi\u1ec7n m\u1ed1i \u0111e d\u1ecda c\u00f2n c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng, ch\u1eb3ng h\u1ea1n nh\u01b0 ch\u1eb7n l\u01b0u l\u01b0\u1ee3ng \u0111\u1ed9c h\u1ea1i. S\u1eed d\u1ee5ng hai h\u1ec7 th\u1ed1ng n\u00e0y c\u00f9ng v\u1edbi c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt kh\u00e1c c\u00f3 th\u1ec3 gi\u00fap ph\u00e1t hi\u1ec7n m\u1ed1i \u0111e d\u1ecda nhanh h\u01a1n v\u00e0 gi\u1ea3m nguy c\u01a1 truy c\u1eadp tr\u00e1i ph\u00e9p v\u00e0o m\u00e1y ch\u1ee7 chuy\u00ean d\u1ee5ng.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>B\u1ea3o m\u1eadt l\u00e0 m\u1ed9t trong nh\u1eefng y\u00eau c\u1ea7u quan tr\u1ecdng nh\u1ea5t \u0111\u1ed1i v\u1edbi h\u1ea1 t\u1ea7ng v\u00e0 m\u00e1y ch\u1ee7, v\u00e0 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o b\u1ea3o m\u1eadt c\u1ea7n \u00e1p d\u1ee5ng nhi\u1ec1u bi\u1ec7n ph\u00e1p kh\u00e1c nhau. B\u1ea3o m\u1eadt quan tr\u1ecdng v\u1edbi m\u1ecdi lo\u1ea1i hosting v\u00e0 m\u00e1y ch\u1ee7. Tuy nhi\u00ean, v\u00ec v\u1edbi m\u00e1y ch\u1ee7 chuy\u00ean d\u1ee5ng, nh\u00e0 cung c\u1ea5p kh\u00f4ng [\u2026]<\/p>\n","protected":false},"author":7,"featured_media":3325,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3469","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>B\u1ea3o m\u1eadt m\u00e1y ch\u1ee7 chuy\u00ean d\u1ee5ng: 7 bi\u1ec7n ph\u00e1p thi\u1ebft y\u1ebfu<\/title>\n<meta name=\"description\" content=\"T\u00ecm hi\u1ec3u 7 bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt m\u00e1y ch\u1ee7 chuy\u00ean d\u1ee5ng thi\u1ebft y\u1ebfu, t\u1eeb c\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m, t\u01b0\u1eddng l\u1eeda \u0111\u1ebfn b\u1ea3o m\u1eadt SSH, x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1 v\u00e0 sao l\u01b0u \u0111\u1ecbnh k\u1ef3.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/potenting.com\/vi\/blog\/how-to-secure-a-dedicated-server-security-measures\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"B\u1ea3o m\u1eadt m\u00e1y ch\u1ee7 chuy\u00ean d\u1ee5ng: 7 bi\u1ec7n ph\u00e1p thi\u1ebft y\u1ebfu\" \/>\n<meta property=\"og:description\" content=\"T\u00ecm hi\u1ec3u 7 bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt m\u00e1y ch\u1ee7 chuy\u00ean d\u1ee5ng thi\u1ebft y\u1ebfu, t\u1eeb c\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m, t\u01b0\u1eddng l\u1eeda \u0111\u1ebfn b\u1ea3o m\u1eadt SSH, x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1 v\u00e0 sao l\u01b0u \u0111\u1ecbnh k\u1ef3.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/potenting.com\/vi\/blog\/how-to-secure-a-dedicated-server-security-measures\/\" \/>\n<meta property=\"og:site_name\" content=\"Potenting Blog\" \/>\n<meta property=\"article:published_time\" content=\"2026-10-22T12:52:15+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-22T13:52:28+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/potenting.com\/blog\/wp-content\/uploads\/2026\/10\/Dedicated-Server-Security.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"966\" \/>\n\t<meta property=\"og:image:height\" content=\"665\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Nina Ash\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Nina Ash\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"13 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/potenting.com\\\/vi\\\/blog\\\/how-to-secure-a-dedicated-server-security-measures\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/potenting.com\\\/vi\\\/blog\\\/how-to-secure-a-dedicated-server-security-measures\\\/\"},\"author\":{\"name\":\"Nina Ash\",\"@id\":\"https:\\\/\\\/potenting.com\\\/blog\\\/#\\\/schema\\\/person\\\/743a7b4616c4d55a0ed17f5ac379fcdb\"},\"headline\":\"L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 b\u1ea3o m\u1eadt m\u00e1y ch\u1ee7 chuy\u00ean d\u1ee5ng? 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