{"id":17128,"date":"2025-11-12T17:45:30","date_gmt":"2025-11-12T09:45:30","guid":{"rendered":"https:\/\/www.quape.com\/?p=17128"},"modified":"2025-11-12T17:45:30","modified_gmt":"2025-11-12T09:45:30","slug":"how-to-fix-err_connection_reset-and-its-causes","status":"publish","type":"post","link":"https:\/\/www.quape.com\/vi\/how-to-fix-err_connection_reset-and-its-causes\/","title":{"rendered":"C\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i Err_Connection_Reset v\u00e0 nguy\u00ean nh\u00e2n g\u00e2y ra l\u1ed7i"},"content":{"rendered":"<div id=\"bsf_rt_marker\"><\/div><p data-pm-slice=\"1 1 []\">G\u1eb7p g\u1ee1 <code>ERR_K\u1ebeT N\u1ed0I_\u0110\u1eb6T L\u1ea0I<\/code> L\u1ed7i l\u00e0 m\u1ed9t trong nh\u1eefng tr\u1ea3i nghi\u1ec7m kh\u00f3 ch\u1ecbu nh\u1ea5t tr\u00ean web. \u0110\u00f3 l\u00e0 m\u1ed9t th\u00f4ng b\u00e1o m\u01a1 h\u1ed3, \u0111\u1ed9t ng\u1ed9t cho b\u1ea1n bi\u1ebft c\u00f3 g\u00ec \u0111\u00f3 b\u1ecb h\u1ecfng, nh\u01b0ng kh\u00f4ng ph\u1ea3i <em>G\u00ec<\/em> ho\u1eb7c <em>T\u1ea1i sao<\/em>.<\/p>\n<p>Kh\u00f4ng gi\u1ed1ng nh\u01b0 l\u1ed7i &quot;404 Kh\u00f4ng t\u00ecm th\u1ea5y&quot;, l\u1ed7i n\u00e0y n\u00eau r\u00f5 m\u1ed9t trang b\u1ecb thi\u1ebfu, <code>ERR_K\u1ebeT N\u1ed0I_\u0110\u1eb6T L\u1ea0I<\/code> c\u00f3 ngh\u0129a l\u00e0 tr\u00ecnh duy\u1ec7t c\u1ee7a b\u1ea1n \u0111\u00e3 b\u1eaft \u0111\u1ea7u cu\u1ed9c tr\u00f2 chuy\u1ec7n th\u00e0nh c\u00f4ng v\u1edbi m\u1ed9t trang web, nh\u01b0ng k\u1ebft n\u1ed1i b\u1ecb c\u1eaft \u0111\u1ed9t ng\u1ed9t v\u00e0 th\u00f4 b\u1ea1o.<\/p>\n<p>H\u00e3y h\u00ecnh dung n\u00f3 gi\u1ed1ng nh\u01b0 m\u1ed9t cu\u1ed9c g\u1ecdi \u0111i\u1ec7n tho\u1ea1i. Thay v\u00ec c\u1ea3 hai b\u00ean \u0111\u1ec1u n\u00f3i &quot;t\u1ea1m bi\u1ec7t&quot; v\u00e0 c\u00fap m\u00e1y (m\u1ed9t k\u1ebft n\u1ed1i th\u00f4ng th\u01b0\u1eddng), m\u1ed9t b\u00ean - c\u00f3 th\u1ec3 l\u00e0 m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n, m\u00e1y ch\u1ee7 c\u1ee7a trang web, ho\u1eb7c m\u1ed9t thi\u1ebft b\u1ecb m\u1ea1ng \u1edf gi\u1eefa - \u0111\u00e3 t\u1eaft \u0111i\u1ec7n tho\u1ea1i m\u00e0 kh\u00f4ng b\u00e1o tr\u01b0\u1edbc.<\/p>\n<p>V\u1ea5n \u0111\u1ec1 l\u00e0 g\u00ec? Kh\u00f4ng th\u1ec3 bi\u1ebft ngay ai l\u00e0 ng\u01b0\u1eddi \u0111\u00e3 c\u00fap m\u00e1y. L\u1ed7i n\u00e0y c\u00f3 th\u1ec3 do m\u00e1y t\u00ednh c\u1ee5c b\u1ed9, b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn, ph\u1ea7n m\u1ec1m di\u1ec7t vi-r\u00fat ho\u1eb7c s\u1ef1 c\u1ed1 v\u1edbi m\u00e1y ch\u1ee7 c\u1ee7a trang web.<\/p>\n<p>H\u01b0\u1edbng d\u1eabn n\u00e0y s\u1ebd gi\u00fap b\u1ea1n ch\u1ea9n \u0111o\u00e1n v\u00e0 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1. Ch\u00fang ta s\u1ebd b\u1eaft \u0111\u1ea7u v\u1edbi nh\u1eefng c\u00e1ch kh\u1eafc ph\u1ee5c \u0111\u01a1n gi\u1ea3n, ph\u1ed5 bi\u1ebfn nh\u1ea5t tr\u01b0\u1edbc, sau \u0111\u00f3 chuy\u1ec3n sang c\u00e1c gi\u1ea3i ph\u00e1p n\u00e2ng cao h\u01a1n.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-transparent ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">M\u1ee5c l\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Chuy\u1ec3n \u0111\u1ed5i m\u1ee5c l\u1ee5c\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Chuy\u1ec3n \u0111\u1ed5i<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.quape.com\/vi\/how-to-fix-err_connection_reset-and-its-causes\/#What_Causes_ERR_CONNECTION_RESET\" >Nguy\u00ean nh\u00e2n g\u00e2y ra l\u1ed7i ERR_CONNECTION_RESET l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.quape.com\/vi\/how-to-fix-err_connection_reset-and-its-causes\/#Before_You_Fix_Triage_the_Problem_in_60_Seconds\" >Tr\u01b0\u1edbc khi s\u1eeda ch\u1eefa: Ph\u00e2n lo\u1ea1i s\u1ef1 c\u1ed1 trong 60 gi\u00e2y<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.quape.com\/vi\/how-to-fix-err_connection_reset-and-its-causes\/#Step_1_Check_if_the_Website_is_Down_for_Everyone\" >B\u01b0\u1edbc 1: Ki\u1ec3m tra xem trang web c\u00f3 b\u1ecb s\u1eadp \u0111\u1ed1i v\u1edbi m\u1ecdi ng\u01b0\u1eddi kh\u00f4ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.quape.com\/vi\/how-to-fix-err_connection_reset-and-its-causes\/#Step_2_Use_a_Different_Network\" >B\u01b0\u1edbc 2: S\u1eed d\u1ee5ng m\u1ed9t m\u1ea1ng kh\u00e1c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.quape.com\/vi\/how-to-fix-err_connection_reset-and-its-causes\/#Interpreting_the_Results\" >Di\u1ec5n gi\u1ea3i k\u1ebft qu\u1ea3<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.quape.com\/vi\/how-to-fix-err_connection_reset-and-its-causes\/#Part_1_How_to_Fix_Client-Side_Connection_Resets_Start_Here\" >Ph\u1ea7n 1: C\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i k\u1ebft n\u1ed1i ph\u00eda m\u00e1y kh\u00e1ch b\u1ecb \u0111\u1eb7t l\u1ea1i (B\u1eaft \u0111\u1ea7u t\u1ea1i \u0111\u00e2y)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.quape.com\/vi\/how-to-fix-err_connection_reset-and-its-causes\/#1_Clear_Your_Browser_Cache_and_Cookies\" >1. X\u00f3a b\u1ed9 nh\u1edb \u0111\u1ec7m v\u00e0 cookie c\u1ee7a tr\u00ecnh duy\u1ec7t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.quape.com\/vi\/how-to-fix-err_connection_reset-and-its-causes\/#2_Test_in_Incognito_or_Private_Mode\" >2. Ki\u1ec3m tra \u1edf ch\u1ebf \u0111\u1ed9 \u1ea9n danh ho\u1eb7c ri\u00eang t\u01b0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.quape.com\/vi\/how-to-fix-err_connection_reset-and-its-causes\/#3_Power_Cycle_Your_Network_Hardware_The_Right_Way\" >3. T\u1eaft\/M\u1edf Ngu\u1ed3n Ph\u1ea7n C\u1ee9ng M\u1ea1ng C\u1ee7a B\u1ea1n (\u0110\u00fang C\u00e1ch)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.quape.com\/vi\/how-to-fix-err_connection_reset-and-its-causes\/#4_Check_Your_VPN_Antivirus_and_Firewall\" >4. Ki\u1ec3m tra VPN, ph\u1ea7n m\u1ec1m di\u1ec7t vi-r\u00fat v\u00e0 t\u01b0\u1eddng l\u1eeda c\u1ee7a b\u1ea1n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.quape.com\/vi\/how-to-fix-err_connection_reset-and-its-causes\/#5_Disable_Your_Proxy_Server\" >5. V\u00f4 hi\u1ec7u h\u00f3a m\u00e1y ch\u1ee7 proxy c\u1ee7a b\u1ea1n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.quape.com\/vi\/how-to-fix-err_connection_reset-and-its-causes\/#6_Flush_Your_DNS_Cache\" >6. X\u00f3a b\u1ed9 nh\u1edb \u0111\u1ec7m DNS c\u1ee7a b\u1ea1n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.quape.com\/vi\/how-to-fix-err_connection_reset-and-its-causes\/#7_Reset_Your_Computers_Network_Stack_TCPIP\" >7. \u0110\u1eb7t l\u1ea1i ng\u0103n x\u1ebfp m\u1ea1ng c\u1ee7a m\u00e1y t\u00ednh (TCP\/IP)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.quape.com\/vi\/how-to-fix-err_connection_reset-and-its-causes\/#Part_2_When_the_Error_is_on_the_Server-Side\" >Ph\u1ea7n 2: Khi l\u1ed7i x\u1ea3y ra \u1edf ph\u00eda m\u00e1y ch\u1ee7<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.quape.com\/vi\/how-to-fix-err_connection_reset-and-its-causes\/#Tired_of_Connection_Errors\" >B\u1ea1n c\u00f3 m\u1ec7t m\u1ecfi v\u00ec l\u1ed7i k\u1ebft n\u1ed1i kh\u00f4ng?<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_Causes_ERR_CONNECTION_RESET\"><\/span>Nguy\u00ean nh\u00e2n n\u00e0o g\u00e2y ra <code>ERR_K\u1ebeT N\u1ed0I_\u0110\u1eb6T L\u1ea0I<\/code>?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-17129 aligncenter\" src=\"https:\/\/www.quape.com\/wp-content\/uploads\/2025\/11\/Err_Connection_Reset.png\" alt=\"Nguy\u00ean nh\u00e2n g\u00e2y ra l\u1ed7i ERR_CONNECTION_RESET l\u00e0 g\u00ec?\" width=\"881\" height=\"539\" srcset=\"https:\/\/www.quape.com\/wp-content\/uploads\/2025\/11\/Err_Connection_Reset.png 881w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/11\/Err_Connection_Reset-300x184.png 300w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/11\/Err_Connection_Reset-768x470.png 768w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/11\/Err_Connection_Reset-18x12.png 18w\" sizes=\"(max-width: 881px) 100vw, 881px\" \/><\/p>\n<p>V\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt, l\u1ed7i \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t khi thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c g\u00f3i &quot;\u0110\u1eb7t l\u1ea1i&quot; (RST) t\u1eeb m\u00e1y ch\u1ee7 m\u00e0 n\u00f3 \u0111ang c\u1ed1 g\u1eafng k\u1ebft n\u1ed1i. G\u00f3i RST n\u00e0y l\u00e0 l\u1ec7nh &quot;D\u1eeaNG&quot; ngay l\u1eadp t\u1ee9c \u0111\u1ec3 ch\u1ea5m d\u1ee9t k\u1ebft n\u1ed1i.<\/p>\n<p>\u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 x\u1ea3y ra v\u00ec m\u1ed9t s\u1ed1 l\u00fd do ch\u00ednh:<\/p>\n<ul>\n<li><strong>C\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 ph\u00eda kh\u00e1ch h\u00e0ng:<\/strong> S\u1ef1 c\u1ed1 n\u1eb1m \u1edf thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n. C\u00f3 th\u1ec3 do b\u1ed9 nh\u1edb \u0111\u1ec7m tr\u00ecnh duy\u1ec7t b\u1ecb h\u1ecfng, do VPN ho\u1eb7c ph\u1ea7n m\u1ec1m di\u1ec7t vi-r\u00fat can thi\u1ec7p, ho\u1eb7c do c\u1ea5u h\u00ecnh m\u1ea1ng kh\u00f4ng \u0111\u00fang.<\/li>\n<li><strong>C\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 ph\u00eda m\u00e1y ch\u1ee7:<\/strong> V\u1ea5n \u0111\u1ec1 n\u1eb1m \u1edf ch\u00ednh trang web. M\u00e1y ch\u1ee7 c\u00f3 th\u1ec3 b\u1ecb qu\u00e1 t\u1ea3i, c\u1ea5u h\u00ecnh sai ho\u1eb7c \u1ee9ng d\u1ee5ng b\u1ecb s\u1eadp.<\/li>\n<li><strong>C\u00e1c v\u1ea5n \u0111\u1ec1 trung gian m\u1ea1ng:<\/strong> V\u1ea5n \u0111\u1ec1 n\u1eb1m \u1edf gi\u1eefa. T\u01b0\u1eddng l\u1eeda, proxy ho\u1eb7c th\u1eadm ch\u00ed c\u1ea3 b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn t\u1ea1i nh\u00e0 c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 l\u00e0m m\u1ea5t k\u1ebft n\u1ed1i, th\u01b0\u1eddng l\u00e0 do b\u1ea3ng b\u1ed9 nh\u1edb \u0111\u1ea7y ho\u1eb7c quy t\u1eafc b\u1ea3o m\u1eadt.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Before_You_Fix_Triage_the_Problem_in_60_Seconds\"><\/span>Tr\u01b0\u1edbc khi s\u1eeda ch\u1eefa: Ph\u00e2n lo\u1ea1i s\u1ef1 c\u1ed1 trong 60 gi\u00e2y<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Tr\u01b0\u1edbc khi b\u1ea1n b\u1eaft \u0111\u1ea7u thi\u1ebft l\u1eadp l\u1ea1i c\u00e0i \u0111\u1eb7t c\u1ee7a ri\u00eang m\u00ecnh, h\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u <em>\u1ede \u0111\u00e2u<\/em> v\u1ea5n \u0111\u1ec1 l\u00e0.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Step_1_Check_if_the_Website_is_Down_for_Everyone\"><\/span>B\u01b0\u1edbc 1: Ki\u1ec3m tra xem trang web c\u00f3 b\u1ecb s\u1eadp \u0111\u1ed1i v\u1edbi m\u1ecdi ng\u01b0\u1eddi kh\u00f4ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>B\u01b0\u1edbc \u0111\u1ea7u ti\u00ean l\u00e0 xem v\u1ea5n \u0111\u1ec1 ch\u1ec9 x\u1ea3y ra v\u1edbi b\u1ea1n hay trang web \u0111\u00e3 ngo\u1ea1i tuy\u1ebfn v\u1edbi t\u1ea5t c\u1ea3 m\u1ecdi ng\u01b0\u1eddi. H\u00e3y s\u1eed d\u1ee5ng m\u1ed9t c\u00f4ng c\u1ee5 mi\u1ec5n ph\u00ed c\u1ee7a b\u00ean th\u1ee9 ba nh\u01b0 <a title=\"v\u00f4 gi\u00e1 tr\u1ecb\" href=\"https:\/\/downforeveryoneorjustme.com\/\" target=\"_blank\" rel=\"noopener\">D\u00e0nh cho m\u1ecdi ng\u01b0\u1eddi ho\u1eb7c ch\u1ec9 m\u00ecnh t\u00f4i<\/a>.<\/p>\n<p>N\u1ebfu c\u00f4ng c\u1ee5 b\u00e1o c\u00e1o trang web l\u00e0 <strong>\u201c&quot;XU\u1ed0NG,&quot;\u201d<\/strong> V\u1ea5n \u0111\u1ec1 n\u1eb1m \u1edf ph\u00eda m\u00e1y ch\u1ee7. B\u1ea1n kh\u00f4ng th\u1ec3 kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c. Ch\u1ee7 s\u1edf h\u1eefu trang web s\u1ebd ph\u1ea3i t\u1ef1 gi\u1ea3i quy\u1ebft.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Step_2_Use_a_Different_Network\"><\/span>B\u01b0\u1edbc 2: S\u1eed d\u1ee5ng m\u1ed9t m\u1ea1ng kh\u00e1c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>N\u1ebfu trang web v\u1eabn &quot;UP&quot;, h\u00e3y th\u1eed truy c\u1eadp t\u1eeb m\u1ed9t m\u1ea1ng ho\u00e0n to\u00e0n kh\u00e1c. C\u00e1ch d\u1ec5 nh\u1ea5t l\u00e0 t\u1eaft Wi-Fi tr\u00ean \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh c\u1ee7a b\u1ea1n v\u00e0 th\u1eed t\u1ea3i trang web b\u1eb1ng <strong>d\u1eef li\u1ec7u di \u0111\u1ed9ng<\/strong>.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Interpreting_the_Results\"><\/span>Di\u1ec5n gi\u1ea3i k\u1ebft qu\u1ea3<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>Kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c m\u1ea1ng?<\/strong> (M\u00e1y t\u00ednh v\u00e0 d\u1eef li\u1ec7u di \u0111\u1ed9ng c\u1ee7a b\u1ea1n) -&gt; \u0110i\u1ec1u n\u00e0y ch\u1ec9 ra s\u1ef1 c\u1ed1 \u1edf ph\u00eda m\u00e1y ch\u1ee7 ho\u1eb7c s\u1ef1 c\u1ed1 m\u1ea5t \u0111i\u1ec7n c\u1ee5c b\u1ed9 nghi\u00eam tr\u1ecdng.<\/li>\n<li><strong>Ho\u1ea1t \u0111\u1ed9ng tr\u00ean d\u1eef li\u1ec7u di \u0111\u1ed9ng nh\u01b0ng kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng tr\u00ean Wi-Fi?<\/strong> -&gt; <strong>V\u1ea5n \u0111\u1ec1 n\u1eb1m \u1edf ph\u00eda b\u1ea1n.<\/strong> \u0110\u00e2y l\u00e0 s\u1ef1 c\u1ed1 \u1edf ph\u00eda m\u00e1y kh\u00e1ch c\u1ee7a b\u1ea1n ho\u1eb7c m\u1ea1ng c\u1ee5c b\u1ed9 (b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn, modem).<\/li>\n<\/ul>\n<p>N\u1ebfu b\u1ea1n \u0111\u00e3 x\u00e1c nh\u1eadn s\u1ef1 c\u1ed1 n\u1eb1m \u1edf ph\u00eda m\u00ecnh, h\u00e3y ti\u1ebfp t\u1ee5c th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p kh\u1eafc ph\u1ee5c ph\u00eda m\u00e1y kh\u00e1ch b\u00ean d\u01b0\u1edbi.<\/p>\n<p><a href=\"https:\/\/www.quape.com\/vi\/hosting\/vps-hosting\/#section-vps\"><img decoding=\"async\" id=\"blogbannervps\" class=\"aligncenter wp-image-15947 size-full\" src=\"https:\/\/www.quape.com\/wp-content\/uploads\/2025\/09\/banner-03.png\" alt=\"C\u00e1c g\u00f3i l\u01b0u tr\u1eef VPS\" width=\"2222\" height=\"649\" srcset=\"https:\/\/www.quape.com\/wp-content\/uploads\/2025\/09\/banner-03.png 2222w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/09\/banner-03-300x88.png 300w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/09\/banner-03-1024x299.png 1024w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/09\/banner-03-768x224.png 768w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/09\/banner-03-1536x449.png 1536w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/09\/banner-03-2048x598.png 2048w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/09\/banner-03-18x5.png 18w\" sizes=\"(max-width: 2222px) 100vw, 2222px\" \/><\/a><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Part_1_How_to_Fix_Client-Side_Connection_Resets_Start_Here\"><\/span>Ph\u1ea7n 1: C\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i k\u1ebft n\u1ed1i ph\u00eda m\u00e1y kh\u00e1ch b\u1ecb \u0111\u1eb7t l\u1ea1i (B\u1eaft \u0111\u1ea7u t\u1ea1i \u0111\u00e2y)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Ch\u00fang ta h\u00e3y c\u00f9ng xem x\u00e9t t\u1eebng gi\u1ea3i ph\u00e1p m\u1ed9t, t\u1eeb d\u1ec5 nh\u1ea5t \u0111\u1ebfn ph\u1ee9c t\u1ea1p nh\u1ea5t.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_Clear_Your_Browser_Cache_and_Cookies\"><\/span>1. X\u00f3a b\u1ed9 nh\u1edb \u0111\u1ec7m v\u00e0 cookie c\u1ee7a tr\u00ecnh duy\u1ec7t<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tr\u00ecnh duy\u1ec7t c\u1ee7a b\u1ea1n l\u01b0u tr\u1eef d\u1eef li\u1ec7u \u0111\u1ec3 t\u1ea3i trang web nhanh h\u01a1n. N\u1ebfu d\u1eef li\u1ec7u n\u00e0y (b\u1ed9 nh\u1edb \u0111\u1ec7m) b\u1ecb h\u1ecfng ho\u1eb7c l\u1ed7i th\u1eddi, n\u00f3 c\u00f3 th\u1ec3 g\u00e2y ra xung \u0111\u1ed9t k\u1ebft n\u1ed1i.<\/p>\n<ul>\n<li><strong>T\u1ea1i sao:<\/strong> M\u1ed9t cookie &quot;x\u1ea5u&quot; ho\u1eb7c c\u0169 c\u00f3 th\u1ec3 g\u00e2y nh\u1ea7m l\u1eabn cho m\u00e1y ch\u1ee7, khi\u1ebfn m\u00e1y ch\u1ee7 t\u1eeb ch\u1ed1i k\u1ebft n\u1ed1i c\u1ee7a b\u1ea1n.<\/li>\n<li><strong>L\u00e0m sao:<\/strong> V\u00e0o ph\u1ea7n c\u00e0i \u0111\u1eb7t c\u1ee7a tr\u00ecnh duy\u1ec7t (v\u00ed d\u1ee5: trong Chrome, <code>C\u00e0i \u0111\u1eb7t<\/code> &gt; <code>Quy\u1ec1n ri\u00eang t\u01b0 v\u00e0 b\u1ea3o m\u1eadt<\/code> &gt; <code>X\u00f3a d\u1eef li\u1ec7u duy\u1ec7t web<\/code>). L\u1ef1a ch\u1ecdn <strong>\u201cCookie v\u00e0 d\u1eef li\u1ec7u trang web kh\u00e1c\u201d<\/strong> V\u00e0 <strong>\u201cH\u00ecnh \u1ea3nh v\u00e0 t\u1ec7p \u0111\u01b0\u1ee3c l\u01b0u trong b\u1ed9 nh\u1edb \u0111\u1ec7m\u201d<\/strong> cho &quot;M\u1ecdi l\u00fac&quot; v\u00e0 nh\u1ea5p v\u00e0o <strong>\u201cX\u00f3a d\u1eef li\u1ec7u.\u201d<\/strong><\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"2_Test_in_Incognito_or_Private_Mode\"><\/span>2. Ki\u1ec3m tra \u1edf ch\u1ebf \u0111\u1ed9 \u1ea9n danh ho\u1eb7c ri\u00eang t\u01b0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng \u0111\u1ec3 ki\u1ec3m tra s\u1ef1 can thi\u1ec7p l\u00e0 m\u1edf c\u1eeda s\u1ed5 \u1ea8n danh (Chrome) ho\u1eb7c Ri\u00eang t\u01b0 (Firefox\/Safari). Ch\u1ebf \u0111\u1ed9 n\u00e0y th\u01b0\u1eddng t\u1ea3i m\u00e0 kh\u00f4ng c\u1ea7n ti\u1ec7n \u00edch m\u1edf r\u1ed9ng ho\u1eb7c d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u trong b\u1ed9 nh\u1edb \u0111\u1ec7m.<\/p>\n<ul>\n<li><strong>T\u1ea1i sao:<\/strong> N\u1ebfu trang web ho\u1ea1t \u0111\u1ed9ng \u1edf Ch\u1ebf \u0111\u1ed9 \u1ea9n danh, v\u1ea5n \u0111\u1ec1 g\u1ea7n nh\u01b0 ch\u1eafc ch\u1eafn l\u00e0 <strong>ti\u1ec7n \u00edch m\u1edf r\u1ed9ng tr\u00ecnh duy\u1ec7t b\u1ecb l\u1ed7i<\/strong> (gi\u1ed1ng nh\u01b0 tr\u00ecnh ch\u1eb7n qu\u1ea3ng c\u00e1o ho\u1eb7c b\u1ed9 b\u1ea3o m\u1eadt).<\/li>\n<li><strong>L\u00e0m sao:<\/strong> Quay l\u1ea1i c\u1eeda s\u1ed5 tr\u00ecnh duy\u1ec7t th\u00f4ng th\u01b0\u1eddng v\u00e0 t\u1eaft t\u1ea5t c\u1ea3 ti\u1ec7n \u00edch m\u1edf r\u1ed9ng. Sau \u0111\u00f3, b\u1eadt l\u1ea1i t\u1eebng ti\u1ec7n \u00edch m\u1edf r\u1ed9ng, \u0111\u1ed3ng th\u1eddi l\u00e0m m\u1edbi trang web c\u00f3 v\u1ea5n \u0111\u1ec1 m\u1ed7i l\u1ea7n \u0111\u1ec3 t\u00ecm ra th\u1ee7 ph\u1ea1m.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"3_Power_Cycle_Your_Network_Hardware_The_Right_Way\"><\/span>3. T\u1eaft\/M\u1edf Ngu\u1ed3n Ph\u1ea7n C\u1ee9ng M\u1ea1ng C\u1ee7a B\u1ea1n (\u0110\u00fang C\u00e1ch)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Vi\u1ec7c n\u00e0y kh\u00f4ng ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 &quot;r\u00fat ph\u00edch c\u1eafm v\u00e0 c\u1eafm l\u1ea1i&quot;. B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn c\u1ee7a b\u1ea1n, n\u01a1i qu\u1ea3n l\u00fd t\u1ea5t c\u1ea3 c\u00e1c k\u1ebft n\u1ed1i t\u1eeb thi\u1ebft b\u1ecb, c\u00f3 th\u1ec3 khi\u1ebfn &quot;b\u1ea3ng k\u1ebft n\u1ed1i&quot; n\u1ed9i b\u1ed9 b\u1ecb \u0111\u1ea7y ho\u1eb7c h\u1ecfng. Kh\u1edfi \u0111\u1ed9ng l\u1ea1i \u0111\u00fang c\u00e1ch s\u1ebd x\u00f3a b\u1ea3ng n\u00e0y.<\/p>\n<ul>\n<li><strong>T\u1ea1i sao:<\/strong> \u0110i\u1ec1u n\u00e0y bu\u1ed9c b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn v\u00e0 modem c\u1ee7a b\u1ea1n ph\u1ea3i x\u00f3a b\u1ed9 nh\u1edb v\u00e0 nh\u1eadn k\u1ebft n\u1ed1i m\u1edbi t\u1eeb ISP.<\/li>\n<li><strong>L\u00e0m sao:<\/strong>\n<ol>\n<li><strong>R\u00fat ph\u00edch c\u1eafm \u0111i\u1ec7n<\/strong> t\u1eeb <em>c\u1ea3 hai<\/em> modem v\u00e0 b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn c\u1ee7a b\u1ea1n.<\/li>\n<li><strong>Ch\u1edd \u00edt nh\u1ea5t 60 gi\u00e2y.<\/strong> \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o ch\u00fang t\u1eaft ho\u00e0n to\u00e0n.<\/li>\n<li>C\u1eafm l\u1ea1i ngu\u1ed3n \u0111i\u1ec7n v\u00e0o <strong>modem \u0111\u1ea7u ti\u00ean.<\/strong> \u0110\u1ee3i 1-2 ph\u00fat \u0111\u1ec3 kh\u1edfi \u0111\u1ed9ng ho\u00e0n to\u00e0n v\u00e0 k\u1ebft n\u1ed1i (\u0111\u00e8n \u201cInternet\u201d ho\u1eb7c \u201cTr\u1ef1c tuy\u1ebfn\u201d ph\u1ea3i s\u00e1ng li\u00ean t\u1ee5c).<\/li>\n<li>Khi modem \u0111\u00e3 tr\u1ef1c tuy\u1ebfn, h\u00e3y c\u1eafm l\u1ea1i ngu\u1ed3n v\u00e0o <strong>b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn.<\/strong> \u0110\u1ee3i th\u00eam 1-2 ph\u00fat \u0111\u1ec3 kh\u1edfi \u0111\u1ed9ng.<\/li>\n<li>Ki\u1ec3m tra l\u1ea1i trang web.<\/li>\n<\/ol>\n<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"4_Check_Your_VPN_Antivirus_and_Firewall\"><\/span>4. Ki\u1ec3m tra VPN, ph\u1ea7n m\u1ec1m di\u1ec7t vi-r\u00fat v\u00e0 t\u01b0\u1eddng l\u1eeda c\u1ee7a b\u1ea1n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ph\u1ea7n m\u1ec1m \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ch\u1eb7n l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp c\u1ee7a b\u1ea1n v\u00ec l\u00fd do b\u1ea3o m\u1eadt l\u00e0 nguy\u00ean nh\u00e2n ch\u00ednh g\u00e2y ra l\u1ed7i n\u00e0y.<\/p>\n<ul>\n<li><strong>T\u1ea1i sao:<\/strong> M\u00e1y kh\u00e1ch VPN c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 kh\u00f4ng \u1ed5n \u0111\u1ecbnh ho\u1eb7c ph\u1ea7n m\u1ec1m di\u1ec7t vi-r\u00fat\/t\u01b0\u1eddng l\u1eeda c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 \u0111ang &quot;\u0111\u00e1nh d\u1ea5u&quot; m\u1ed9t trang web an to\u00e0n l\u00e0 \u0111\u1ed9c h\u1ea1i v\u00e0 ch\u1ee7 \u0111\u1ed9ng ch\u1eb7n k\u1ebft n\u1ed1i.<\/li>\n<li><strong>L\u00e0m sao:<\/strong>\n<ul>\n<li><strong>M\u1ea1ng ri\u00eang \u1ea3o (VPN):<\/strong> Ng\u1eaft k\u1ebft n\u1ed1i kh\u1ecfi VPN v\u00e0 th\u1eed truy c\u1eadp trang web.<\/li>\n<li><strong>Ph\u1ea7n m\u1ec1m di\u1ec7t vi-r\u00fat\/T\u01b0\u1eddng l\u1eeda:<\/strong> <em>T\u1ea1m th\u1eddi<\/em> H\u00e3y t\u1eaft &quot;web shield&quot; c\u1ee7a ph\u1ea7n m\u1ec1m di\u1ec7t vi-r\u00fat ho\u1eb7c t\u01b0\u1eddng l\u1eeda c\u1ee7a b\u00ean th\u1ee9 ba. N\u1ebfu trang web t\u1ea3i \u0111\u01b0\u1ee3c, t\u1ee9c l\u00e0 b\u1ea1n \u0111\u00e3 t\u00ecm ra v\u1ea5n \u0111\u1ec1. B\u1ea1n c\u00f3 th\u1ec3 c\u1ea7n th\u00eam quy t\u1eafc ngo\u1ea1i l\u1ec7 trong c\u00e0i \u0111\u1eb7t c\u1ee7a ph\u1ea7n m\u1ec1m \u0111\u00f3 \u0111\u1ec3 &quot;cho ph\u00e9p&quot; trang web.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"5_Disable_Your_Proxy_Server\"><\/span>5. V\u00f4 hi\u1ec7u h\u00f3a m\u00e1y ch\u1ee7 proxy c\u1ee7a b\u1ea1n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u00e1y ch\u1ee7 proxy \u0111\u00f3ng vai tr\u00f2 trung gian cho k\u1ebft n\u1ed1i internet c\u1ee7a b\u1ea1n. N\u1ebfu b\u1ea1n \u0111\u00e3 thi\u1ebft l\u1eadp m\u1ed9t m\u00e1y ch\u1ee7 proxy (ho\u1eb7c n\u1ebfu ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i thi\u1ebft l\u1eadp cho b\u1ea1n) v\u00e0 n\u00f3 kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng, t\u1ea5t c\u1ea3 c\u00e1c k\u1ebft n\u1ed1i c\u1ee7a b\u1ea1n s\u1ebd b\u1ecb l\u1ed7i.<\/p>\n<ul>\n<li><strong>T\u1ea1i sao:<\/strong> Tr\u00ecnh duy\u1ec7t c\u1ee7a b\u1ea1n \u0111ang c\u1ed1 g\u1eafng g\u1eedi l\u01b0u l\u01b0\u1ee3ng \u0111\u1ebfn m\u1ed9t m\u00e1y ch\u1ee7 proxy kh\u00f4ng t\u1ed3n t\u1ea1i ho\u1eb7c ngo\u1ea1i tuy\u1ebfn.<\/li>\n<li><strong>L\u00e0m sao:<\/strong>\n<ul>\n<li><strong>C\u1eeda s\u1ed5:<\/strong> \u0110i \u0111\u1ebfn <code>C\u00e0i \u0111\u1eb7t<\/code> &gt; <code>M\u1ea1ng &amp; Internet<\/code> &gt; <code>Ng\u01b0\u1eddi \u1ee7y nhi\u1ec7m<\/code>. \u0110\u1ea3m b\u1ea3o &quot;S\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 proxy&quot; \u0111\u01b0\u1ee3c b\u1eadt <strong>T\u1eaft<\/strong>.<\/li>\n<li><strong>M\u00e1y Mac:<\/strong> \u0110i \u0111\u1ebfn <code>C\u00e0i \u0111\u1eb7t h\u1ec7 th\u1ed1ng<\/code> &gt; <code>M\u1ea1ng<\/code> &gt; ch\u1ecdn Wi-Fi c\u1ee7a b\u1ea1n &gt; <code>Chi ti\u1ebft...<\/code> &gt; <code>Proxy<\/code>. \u0110\u1ea3m b\u1ea3o t\u1ea5t c\u1ea3 c\u00e1c giao th\u1ee9c proxy \u0111\u01b0\u1ee3c b\u1eadt t\u1eaft <strong>T\u1eaft<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"6_Flush_Your_DNS_Cache\"><\/span>6. X\u00f3a b\u1ed9 nh\u1edb \u0111\u1ec7m DNS c\u1ee7a b\u1ea1n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u00e1y t\u00ednh c\u1ee7a b\u1ea1n c\u0169ng l\u01b0u tr\u1eef b\u1ed9 nh\u1edb \u0111\u1ec7m \u0111\u1ecba ch\u1ec9 trang web (DNS). N\u1ebfu b\u1ed9 nh\u1edb \u0111\u1ec7m n\u00e0y \u0111\u00e3 l\u1ed7i th\u1eddi, n\u00f3 c\u00f3 th\u1ec3 \u0111ang g\u1eedi b\u1ea1n \u0111\u1ebfn \u0111\u1ecba ch\u1ec9 IP sai ho\u1eb7c c\u0169.<\/p>\n<ul>\n<li><strong>T\u1ea1i sao:<\/strong> B\u1ea1n \u0111ang c\u1ed1 g\u1eafng k\u1ebft n\u1ed1i t\u1edbi m\u1ed9t \u0111\u1ecba ch\u1ec9 kh\u00f4ng c\u00f2n h\u1ee3p l\u1ec7 cho trang web \u0111\u00f3.<\/li>\n<li><strong>L\u00e0m sao:<\/strong>\n<ul>\n<li><strong>C\u1eeda s\u1ed5:<\/strong> M\u1edf <strong>D\u1ea5u nh\u1eafc l\u1ec7nh v\u1edbi t\u01b0 c\u00e1ch l\u00e0 Qu\u1ea3n tr\u1ecb vi\u00ean<\/strong> v\u00e0 lo\u1ea1i <code>ipconfig \/flushdns<\/code> sau \u0111\u00f3 nh\u1ea5n Enter.<\/li>\n<li><strong>M\u00e1y Mac:<\/strong> M\u1edf <strong>Ph\u1ea7n cu\u1ed1i<\/strong> v\u00e0 lo\u1ea1i <code>sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder<\/code> sau \u0111\u00f3 nh\u1ea5n Enter.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"7_Reset_Your_Computers_Network_Stack_TCPIP\"><\/span>7. \u0110\u1eb7t l\u1ea1i ng\u0103n x\u1ebfp m\u1ea1ng c\u1ee7a m\u00e1y t\u00ednh (TCP\/IP)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u00e2y l\u00e0 gi\u1ea3i ph\u00e1p ti\u00ean ti\u1ebfn h\u01a1n gi\u00fap kh\u00f4i ph\u1ee5c c\u00e0i \u0111\u1eb7t m\u1ea1ng c\u1ed1t l\u00f5i c\u1ee7a m\u00e1y t\u00ednh v\u1ec1 m\u1eb7c \u0111\u1ecbnh.<\/p>\n<ul>\n<li><strong>T\u1ea1i sao:<\/strong> C\u00e1c t\u1ec7p ph\u1ea7n m\u1ec1m qu\u1ea3n l\u00fd k\u1ebft n\u1ed1i c\u1ee7a b\u1ea1n (\u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ng\u0103n x\u1ebfp TCP\/IP) c\u00f3 th\u1ec3 \u0111\u00e3 b\u1ecb h\u1ecfng.<\/li>\n<li><strong>L\u00e0m sao:<\/strong>\n<ul>\n<li><strong>C\u1eeda s\u1ed5:<\/strong> M\u1edf <strong>D\u1ea5u nh\u1eafc l\u1ec7nh v\u1edbi t\u01b0 c\u00e1ch l\u00e0 Qu\u1ea3n tr\u1ecb vi\u00ean<\/strong> v\u00e0 ch\u1ea1y hai l\u1ec7nh n\u00e0y, nh\u1ea5n Enter sau m\u1ed7i l\u1ec7nh:\n<ul>\n<li><code>netsh winsock reset<\/code><\/li>\n<li><code>netsh int ip reset<\/code><\/li>\n<\/ul>\n<\/li>\n<li>Sau khi ch\u1ea1y c\u1ea3 hai, <strong>kh\u1edfi \u0111\u1ed9ng l\u1ea1i m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n.<\/strong><\/li>\n<li><strong>M\u00e1y Mac:<\/strong> C\u00e1ch \u0111\u01a1n gi\u1ea3n nh\u1ea5t l\u00e0 \u0111i \u0111\u1ebfn <code>C\u00e0i \u0111\u1eb7t h\u1ec7 th\u1ed1ng<\/code> &gt; <code>M\u1ea1ng<\/code>, ch\u1ecdn Wi-Fi c\u1ee7a b\u1ea1n, nh\u1ea5p v\u00e0o <code>...<\/code> bi\u1ec3u t\u01b0\u1ee3ng v\u00e0 \u201cX\u00f3a d\u1ecbch v\u1ee5\u201d. Sau \u0111\u00f3, h\u00e3y th\u00eam l\u1ea1i Wi-Fi c\u1ee7a b\u1ea1n.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Part_2_When_the_Error_is_on_the_Server-Side\"><\/span>Ph\u1ea7n 2: Khi l\u1ed7i x\u1ea3y ra \u1edf ph\u00eda m\u00e1y ch\u1ee7<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>N\u1ebfu b\u1ea1n l\u00e0 kh\u00e1ch truy c\u1eadp, b\u1ea1n kh\u00f4ng th\u1ec3 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 ph\u00eda m\u00e1y ch\u1ee7. Nh\u01b0ng n\u1ebfu b\u1ea1n l\u00e0 <strong>ch\u1ee7 s\u1edf h\u1eefu trang web<\/strong>, L\u1ed7i n\u00e0y l\u00e0 m\u1ed9t c\u1ea3nh b\u00e1o quan tr\u1ecdng cho th\u1ea5y trang web c\u1ee7a b\u1ea1n \u0111ang g\u1eb7p s\u1ef1 c\u1ed1. C\u00e1c nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn t\u1eeb ph\u00eda m\u00e1y ch\u1ee7 bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>T\u00e0i nguy\u00ean m\u00e1y ch\u1ee7 c\u1ea1n ki\u1ec7t:<\/strong> M\u00e1y ch\u1ee7 \u0111\u00e3 h\u1ebft b\u1ed9 nh\u1edb ho\u1eb7c c\u00f4ng su\u1ea5t x\u1eed l\u00fd (v\u00ed d\u1ee5 do l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp t\u0103ng \u0111\u1ed9t bi\u1ebfn) v\u00e0 \u0111ang t\u1eeb ch\u1ed1i c\u00e1c k\u1ebft n\u1ed1i m\u1edbi.<\/li>\n<li><strong>C\u1ea5u h\u00ecnh t\u01b0\u1eddng l\u1eeda kh\u00f4ng \u0111\u00fang:<\/strong> T\u01b0\u1eddng l\u1eeda m\u00e1y ch\u1ee7 qu\u00e1 hung h\u0103ng (nh\u01b0 <code>ModSecurity<\/code>) c\u00f3 th\u1ec3 \u0111\u00e1nh d\u1ea5u nh\u1eefng ng\u01b0\u1eddi truy c\u1eadp h\u1ee3p ph\u00e1p l\u00e0 m\u1ed1i \u0111e d\u1ecda v\u00e0 ch\u1eb7n h\u1ecd.<\/li>\n<li><strong>\u1ee8ng d\u1ee5ng b\u1ecb s\u1eadp:<\/strong> M\u00e3 c\u01a1 b\u1ea3n c\u1ee7a trang web (v\u00ed d\u1ee5: t\u1eadp l\u1ec7nh PHP ho\u1eb7c truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u) c\u00f3 th\u1ec3 b\u1ecb s\u1eadp, khi\u1ebfn m\u00e1y ch\u1ee7 ch\u1ea5m d\u1ee9t k\u1ebft n\u1ed1i.<\/li>\n<li><strong>C\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 SSL\/TLS:<\/strong> S\u1ef1 c\u1ed1 v\u1edbi ch\u1ee9ng ch\u1ec9 SSL ho\u1eb7c c\u1ea5u h\u00ecnh b\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i c\u00f3 th\u1ec3 g\u00e2y ra t\u00ecnh tr\u1ea1ng k\u1ebft n\u1ed1i b\u1ecb \u0111\u1eb7t l\u1ea1i kh\u00f4ng li\u00ean t\u1ee5c, \u0111\u1eb7c bi\u1ec7t l\u00e0 qua HTTPS.<\/li>\n<\/ul>\n<p>\u0110\u1ed1i v\u1edbi ch\u1ee7 s\u1edf h\u1eefu trang web, vi\u1ec7c kh\u1eafc ph\u1ee5c nh\u1eefng l\u1ed7i n\u00e0y c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t c\u01a1n \u00e1c m\u1ed9ng. Nguy\u00ean nh\u00e2n th\u01b0\u1eddng l\u00e0 do m\u00f4i tr\u01b0\u1eddng m\u00e1y ch\u1ee7 b\u1ecb qu\u00e1 t\u1ea3i ho\u1eb7c c\u1ea5u h\u00ecnh k\u00e9m. M\u1ed9t \u0111\u1ed1i t\u00e1c l\u01b0u tr\u1eef \u0111\u00e1ng tin c\u1eady l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 qu\u1ea3n l\u00fd t\u00ecnh tr\u1ea1ng m\u00e1y ch\u1ee7, b\u1ea3o m\u1eadt v\u00e0 c\u1ea5u h\u00ecnh nh\u1eb1m ng\u0103n ng\u1eeba nh\u1eefng s\u1ef1 c\u1ed1 n\u00e0y. <em>tr\u01b0\u1edbc<\/em> ch\u00fang \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u00e1ch truy c\u1eadp c\u1ee7a b\u1ea1n.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Tired_of_Connection_Errors\"><\/span>B\u1ea1n c\u00f3 m\u1ec7t m\u1ecfi v\u00ec l\u1ed7i k\u1ebft n\u1ed1i kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>C\u00e1c <code>ERR_K\u1ebeT N\u1ed0I_\u0110\u1eb6T L\u1ea0I<\/code> L\u1ed7i n\u00e0y kh\u00e1 kh\u00f3 ch\u1ecbu, nh\u01b0ng nh\u01b0 ch\u00fang ta \u0111\u00e3 th\u1ea5y, th\u01b0\u1eddng c\u00f3 th\u1ec3 kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c t\u1eeb ph\u00eda m\u00e1y kh\u00e1ch. B\u1eb1ng c\u00e1ch l\u00e0m theo c\u00e1c b\u01b0\u1edbc sau\u2014t\u1eeb x\u00f3a b\u1ed9 nh\u1edb \u0111\u1ec7m \u0111\u1ebfn \u0111\u1eb7t l\u1ea1i ng\u0103n x\u1ebfp m\u1ea1ng\u2014b\u1ea1n th\u01b0\u1eddng c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft s\u1ef1 c\u1ed1 ch\u1ec9 trong v\u00e0i ph\u00fat.<\/p>\n<p>Nh\u01b0ng n\u1ebfu b\u1ea1n l\u00e0 ch\u1ee7 s\u1edf h\u1eefu trang web, b\u1ea1n kh\u00f4ng th\u1ec3 \u0111\u1ec3 kh\u00e1ch truy c\u1eadp c\u1ee7a m\u00ecnh g\u1eb7p s\u1ef1 c\u1ed1 <em>c\u1ee7a b\u1ea1n<\/em> m\u00e1y ch\u1ee7. \u0110\u1eebng \u0111\u1ec3 c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 ph\u00eda m\u00e1y ch\u1ee7 l\u00e0 l\u00fd do khi\u1ebfn kh\u00e1ch h\u00e0ng c\u1ee7a b\u1ea1n th\u1ea5y k\u1ebft n\u1ed1i b\u1ecb thi\u1ebft l\u1eadp l\u1ea1i.<\/p>\n<p>T\u1ea1i Quape, ch\u00fang t\u00f4i cung c\u1ea5p gi\u1ea3i ph\u00e1p m\u1ea1nh m\u1ebd, an to\u00e0n v\u00e0 \u0111\u00e1ng tin c\u1eady <a title=\"v\u00f4 gi\u00e1 tr\u1ecb\" href=\"https:\/\/www.quape.com\/vi\/\"><strong>gi\u1ea3i ph\u00e1p l\u01b0u tr\u1eef web<\/strong><\/a> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u1ea1t hi\u1ec7u su\u1ea5t cao. H\u00e3y t\u1eadp trung v\u00e0o doanh nghi\u1ec7p c\u1ee7a b\u1ea1n v\u00e0 \u0111\u1ec3 ch\u00fang t\u00f4i lo li\u1ec7u th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng.<\/p>\n<p><a href=\"https:\/\/order.quape.com\/order\/business-hosting\/business-1\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" id=\"blogbannerhosting\" class=\"aligncenter wp-image-15948 size-full\" src=\"https:\/\/www.quape.com\/wp-content\/uploads\/2025\/09\/banner-02.png\" alt=\"c\u00e1c g\u00f3i l\u01b0u tr\u1eef web\" width=\"2222\" height=\"659\" srcset=\"https:\/\/www.quape.com\/wp-content\/uploads\/2025\/09\/banner-02.png 2222w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/09\/banner-02-300x89.png 300w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/09\/banner-02-1024x304.png 1024w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/09\/banner-02-768x228.png 768w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/09\/banner-02-1536x456.png 1536w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/09\/banner-02-2048x607.png 2048w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/09\/banner-02-18x5.png 18w\" sizes=\"(max-width: 2222px) 100vw, 2222px\" \/><\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Encountering the ERR_CONNECTION_RESET error is one of the most frustrating experiences on the web. It&#8217;s a vague, abrupt message that tells you something broke, but not what or why. Unlike a &#8220;404 Not Found&#8221; error, which clearly states a page is missing, ERR_CONNECTION_RESET means your browser successfully started a conversation with a website, but the [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":17131,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8,9,24,10],"tags":[],"class_list":["post-17128","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-development","category-hosting","category-server","category-wordpress-news-learning"],"_links":{"self":[{"href":"https:\/\/www.quape.com\/vi\/wp-json\/wp\/v2\/posts\/17128","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.quape.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.quape.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.quape.com\/vi\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.quape.com\/vi\/wp-json\/wp\/v2\/comments?post=17128"}],"version-history":[{"count":0,"href":"https:\/\/www.quape.com\/vi\/wp-json\/wp\/v2\/posts\/17128\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.quape.com\/vi\/wp-json\/wp\/v2\/media\/17131"}],"wp:attachment":[{"href":"https:\/\/www.quape.com\/vi\/wp-json\/wp\/v2\/media?parent=17128"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.quape.com\/vi\/wp-json\/wp\/v2\/categories?post=17128"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.quape.com\/vi\/wp-json\/wp\/v2\/tags?post=17128"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}