{"id":259410,"date":"2023-09-20T15:38:01","date_gmt":"2023-09-20T08:38:01","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=259410"},"modified":"2023-09-20T15:38:01","modified_gmt":"2023-09-20T08:38:01","slug":"err-connection-refused","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/err-connection-refused\/","title":{"rendered":"C\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i Err_connection_refused tr\u00ean \u0111i\u1ec7n tho\u1ea1i"},"content":{"rendered":"<p>C\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i ERR_CONNECTION_REFUSED tr\u00ean \u0111i\u1ec7n tho\u1ea1i l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi nhi\u1ec1u ng\u01b0\u1eddi s\u1eed d\u1ee5ng internet. L\u1ed7i n\u00e0y c\u00f3 th\u1ec3 l\u00e0m b\u1ea1n g\u1eb7p kh\u00f3 kh\u0103n khi truy c\u1eadp c\u00e1c trang web ho\u1eb7c \u1ee9ng d\u1ee5ng tr\u00ean thi\u1ebft b\u1ecb di \u0111\u1ed9ng c\u1ee7a m\u00ecnh. Tuy nhi\u00ean, kh\u00f4ng c\u1ea7n qu\u00e1 lo l\u1eafng, v\u00ec c\u00f3 nhi\u1ec1u c\u00e1ch \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd kh\u00e1m ph\u00e1 nh\u1eefng c\u00e1ch kh\u1eafc ph\u1ee5c th\u00f4ng qua c\u00e1c b\u01b0\u1edbc \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 tr\u1ea3i nghi\u1ec7m internet m\u1ed9t c\u00e1ch tr\u01a1n tru v\u00e0 kh\u00f4ng b\u1ecb gi\u00e1n \u0111o\u1ea1n.<\/p>\n<h2>Err_connection_refused l\u00e0 l\u1ed7i g\u00ec?<\/h2>\n<p>L\u1ed7i ERR_CONNECTION_REFUSED l\u00e0 m\u1ed9t l\u1ed7i ph\u1ed5 bi\u1ebfn trong tr\u00ecnh duy\u1ec7t web kh\u00f4ng ch\u1ec9 gi\u1edbi h\u1ea1n cho Google Chrome tr\u00ean m\u00e1y t\u00ednh m\u00e0 c\u00f2n c\u00f3 th\u1ec3 x\u1ea3y ra tr\u00ean c\u00e1c tr\u00ecnh duy\u1ec7t kh\u00e1c v\u00e0 tr\u00ean c\u00e1c thi\u1ebft b\u1ecb di \u0111\u1ed9ng nh\u01b0 \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng. L\u1ed7i n\u00e0y xu\u1ea5t hi\u1ec7n khi tr\u00ecnh duy\u1ec7t kh\u00f4ng th\u1ec3 thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i \u0111\u1ebfn m\u00e1y ch\u1ee7 web m\u1ee5c ti\u00eau.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-260410 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused.jpg\" alt=\"err_connection_refused-11\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p>Nguy\u00ean nh\u00e2n c\u1ee7a l\u1ed7i n\u00e0y c\u00f3 th\u1ec3 do nhi\u1ec1u y\u1ebfu t\u1ed1, bao g\u1ed3m l\u1ed7i tr\u00ean m\u00e1y ch\u1ee7 web, v\u1ea5n \u0111\u1ec1 v\u1ec1 k\u1ebft n\u1ed1i m\u1ea1ng, c\u00e0i \u0111\u1eb7t sai l\u1ea7m tr\u00ean m\u00e1y t\u00ednh ho\u1eb7c thi\u1ebft b\u1ecb di \u0111\u1ed9ng, v\u00e0 c\u1ea3 l\u1ed7i tr\u00ecnh duy\u1ec7t. Do \u0111\u00f3, ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng ch\u1ec9 c\u1ea7n xem x\u00e9t v\u1ea5n \u0111\u1ec1 t\u1eeb ph\u00eda tr\u00ecnh duy\u1ec7t m\u00e0 c\u00f2n c\u1ea7n ki\u1ec3m tra v\u00e0 s\u1eeda \u0111\u1ed5i c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c nhau \u0111\u1ec3 gi\u1ea3i quy\u1ebft l\u1ed7i n\u00e0y.<\/p>\n<h2>Nguy\u00ean nh\u00e2n g\u00e2y ra l\u1ed7i Err_connection_refused l\u00e0 g\u00ec?<\/h2>\n<div class=\"flex-1 overflow-hidden\">\n<div class=\"react-scroll-to-bottom--css-htokv-79elbk h-full dark:bg-gray-800\">\n<div class=\"react-scroll-to-bottom--css-htokv-1n7m0yu\">\n<div class=\"flex flex-col text-sm dark:bg-gray-800\">\n<div class=\"group w-full text-token-text-primary border-b border-black\/10 dark:border-gray-900\/50 bg-gray-50 dark:bg-[#444654]\" data-testid=\"conversation-turn-7\">\n<div class=\"p-4 justify-center text-base md:gap-6 md:py-6 m-auto\">\n<div class=\"flex flex-1 gap-4 text-base mx-auto md:gap-6 md:max-w-2xl lg:max-w-[38rem] xl:max-w-3xl }\">\n<div class=\"relative flex w-[calc(100%-50px)] flex-col gap-1 md:gap-3 lg:w-[calc(100%-115px)]\">\n<div class=\"flex flex-grow flex-col gap-3 max-w-full\">\n<div class=\"min-h-[20px] flex flex-col items-start gap-3 overflow-x-auto whitespace-pre-wrap break-words\">\n<div class=\"markdown prose w-full break-words dark:prose-invert light\">\n<p>\u0110\u00e2y l\u00e0 l\u1ed7i h\u01b0\u1eddng x\u1ea3y ra khi tr\u00ecnh duy\u1ec7t kh\u00f4ng th\u1ec3 thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i \u0111\u1ebfn m\u00e1y ch\u1ee7 web m\u1ee5c ti\u00eau. Nguy\u00ean nh\u00e2n g\u00e2y ra l\u1ed7i n\u00e0y c\u00f3 th\u1ec3 l\u00e0 do nhi\u1ec1u y\u1ebfu t\u1ed1 kh\u00e1c nhau, bao g\u1ed3m:<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-2.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-2-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-2-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-260400 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-2.jpg\" alt=\"err_connection_refused-1\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-2.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-2-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-2-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<ul>\n<li><strong>M\u00e1y ch\u1ee7 web kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng<\/strong>: Trang web b\u1ea1n \u0111ang c\u1ed1 g\u1eafng truy c\u1eadp c\u00f3 th\u1ec3 \u0111ang g\u1eb7p s\u1ef1 c\u1ed1 ho\u1eb7c m\u00e1y ch\u1ee7 c\u1ee7a n\u00f3 kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng t\u1ea1i th\u1eddi \u0111i\u1ec3m \u0111\u00f3.<\/li>\n<li><strong>C\u1ed5ng kh\u00f4ng m\u1edf<\/strong>: M\u00e1y ch\u1ee7 web ho\u1ea1t \u0111\u1ed9ng tr\u00ean m\u1ed9t c\u1ed5ng c\u1ee5 th\u1ec3, v\u00e0 n\u1ebfu c\u1ed5ng n\u00e0y kh\u00f4ng m\u1edf, b\u1ea1n s\u1ebd g\u1eb7p ph\u1ea3i l\u1ed7i n\u00e0y.<\/li>\n<li><strong>Firewall ho\u1eb7c ph\u1ea7n m\u1ec1m ch\u1ed1ng virus<\/strong>: C\u00e1c ph\u1ea7n m\u1ec1m b\u1ea3o m\u1eadt tr\u00ean m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 ch\u1eb7n k\u1ebft n\u1ed1i \u0111\u1ebfn m\u00e1y ch\u1ee7 web. H\u00e3y ki\u1ec3m tra xem t\u01b0\u1eddng l\u1eeda ho\u1eb7c ph\u1ea7n m\u1ec1m ch\u1ed1ng virus c\u00f3 ng\u0103n b\u1ea1n truy c\u1eadp trang web kh\u00f4ng.<\/li>\n<li><strong>L\u1ed7i c\u00e0i \u0111\u1eb7t proxy<\/strong>: N\u1ebfu b\u1ea1n \u0111ang s\u1eed d\u1ee5ng proxy \u0111\u1ec3 truy c\u1eadp internet v\u00e0 c\u00e0i \u0111\u1eb7t proxy kh\u00f4ng \u0111\u00fang, c\u00f3 th\u1ec3 g\u00e2y ra l\u1ed7i ERR_CONNECTION_REFUSED.<\/li>\n<li><strong>DNS l\u1ed7i<\/strong>: L\u1ed7i DNS c\u00f3 th\u1ec3 l\u00e0m cho tr\u00ecnh duy\u1ec7t kh\u00f4ng th\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u00e1y ch\u1ee7 web.<\/li>\n<li><strong>Thi\u1ebft b\u1ecb m\u1ea1ng<\/strong>: L\u1ed7i k\u1ebft n\u1ed1i m\u1ea1ng t\u1eeb m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n \u0111\u1ebfn m\u00e1y ch\u1ee7 web, c\u00f3 th\u1ec3 do v\u1ea5n \u0111\u1ec1 v\u1ec1 modem, router, ho\u1eb7c d\u00e2y c\u00e1p.<\/li>\n<li><strong>L\u1ed7i tr\u00ecnh duy\u1ec7t<\/strong>: \u0110\u00f4i khi, l\u1ed7i n\u00e0y c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n do s\u1ef1 c\u1ed1 trong tr\u00ecnh duy\u1ec7t. H\u00e3y th\u1eed kh\u1edfi \u0111\u1ed9ng l\u1ea1i tr\u00ecnh duy\u1ec7t ho\u1eb7c s\u1eed d\u1ee5ng tr\u00ecnh duy\u1ec7t kh\u00e1c \u0111\u1ec3 ki\u1ec3m tra.<\/li>\n<\/ul>\n<p>\u0110\u1ec3 s\u1eeda l\u1ed7i n\u00e0y b\u1ea1n c\u1ea7n x\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n c\u1ee5 th\u1ec3 trong t\u00ecnh hu\u1ed1ng c\u1ee7a b\u1ea1n v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p kh\u1eafc ph\u1ee5c t\u01b0\u01a1ng \u1ee9ng.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<h2>H\u01b0\u1edbng d\u1eabn s\u1eeda l\u1ed7i Err_connection_refused tr\u00ean \u0111i\u1ec7n tho\u1ea1i v\u00e0 m\u00e1y t\u00ednh<\/h2>\n<p>L\u1ed7i ERR_CONNECTION_REFUSED tr\u00ean \u0111i\u1ec7n tho\u1ea1i ho\u1eb7c m\u00e1y t\u00ednh c\u00f3 th\u1ec3 x\u1ea3y ra b\u1ea5t ng\u1edd v\u00e0 khi\u1ebfn cho vi\u1ec7c truy c\u1eadp c\u00e1c trang web ho\u1eb7c d\u1ecbch v\u1ee5 tr\u1ef1c tuy\u1ebfn tr\u1edf n\u00ean kh\u00f3 kh\u0103n. D\u01b0\u1edbi \u0111\u00e2y, b\u1ea1n s\u1ebd t\u00ecm th\u1ea5y nh\u1eefng gi\u1ea3i ph\u00e1p hi\u1ec7u qu\u1ea3 \u0111\u1ec3 tr\u1ea3i nghi\u1ec7m internet m\u1ed9t c\u00e1ch su\u00f4n s\u1ebb v\u00e0 kh\u00f4ng b\u1ecb gi\u00e1n \u0111o\u1ea1n.<\/p>\n<h3>Ki\u1ec3m tra k\u1ebft n\u1ed1i internet<\/h3>\n<p>Th\u00f4ng b\u00e1o l\u1ed7i ERR_CONNECTION_REFUSED c\u00f3 th\u1ec3 li\u00ean quan \u0111\u1ebfn v\u1ea5n \u0111\u1ec1 k\u1ebft n\u1ed1i Internet, nh\u01b0ng c\u0169ng c\u00f3 th\u1ec3 do c\u00e1c nguy\u00ean nh\u00e2n kh\u00e1c nhau nh\u01b0 \u0111\u00e3 \u0111\u1ec1 c\u1eadp tr\u01b0\u1edbc \u0111\u00f3. Vi\u1ec7c ki\u1ec3m tra k\u1ebft n\u1ed1i Internet v\u00e0 ki\u1ec3m tra tr\u1ea1ng th\u00e1i trang web l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng c\u1ee7a vi\u1ec7c x\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n g\u00e2y ra l\u1ed7i n\u00e0y. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c b\u01b0\u1edbc b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n:<\/p>\n<p><strong>B\u01b0\u1edbc 1: Ki\u1ec3m tra k\u1ebft n\u1ed1i Internet: <\/strong>Th\u1eed truy c\u1eadp m\u1ed9t trang web kh\u00e1c \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh xem k\u1ebft n\u1ed1i Internet c\u1ee7a b\u1ea1n c\u00f3 ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng hay kh\u00f4ng.<\/p>\n<p><strong>B\u01b0\u1edbc 2: S\u1eed d\u1ee5ng trang web &#8220;Down for Everyone or Just Me&#8221;<\/strong><\/p>\n<ul>\n<li>Truy c\u1eadp trang web &#8220;Down for Everyone or Just Me&#8221; t\u1ea1i \u0111\u1ecba ch\u1ec9: https:\/\/downforeveryoneorjustme.com\/.<\/li>\n<li>Nh\u1eadp \u0111\u1ecba ch\u1ec9 URL c\u1ee7a trang web g\u00e2y ra l\u1ed7i ERR_CONNECTION_REFUSED v\u00e0o \u00f4 tr\u1ed1ng v\u00e0 nh\u1ea5n Enter ho\u1eb7c n\u00fat &#8220;or just me?&#8221;.<\/li>\n<\/ul>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-3.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-3-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-3-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-260401 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-3.jpg\" alt=\"err_connection_refused-2\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-3.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-3-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-3-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<ul>\n<li>Trang web n\u00e0y s\u1ebd cung c\u1ea5p th\u00f4ng tin v\u1ec1 tr\u1ea1ng th\u00e1i c\u1ee7a trang web b\u1ea1n \u0111ang ki\u1ec3m tra.\n<ul>\n<li>N\u1ebfu trang web \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh l\u00e0 &#8220;Down,&#8221; \u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a r\u1eb1ng trang web \u0111\u00f3 \u0111ang g\u1eb7p s\u1ef1 c\u1ed1 ho\u1eb7c ngo\u1ea1i tuy\u1ebfn v\u00e0 kh\u00f4ng ph\u1ea3i l\u1ed7i t\u1eeb ph\u00eda b\u1ea1n.<\/li>\n<li>N\u1ebfu trang web \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh l\u00e0 &#8220;Up,&#8221; \u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a trang web \u0111\u00f3 \u0111ang ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng, v\u00e0 b\u1ea1n c\u00f3 th\u1ec3 g\u1eb7p v\u1ea5n \u0111\u1ec1 t\u1eeb ph\u00eda m\u00e1y t\u00ednh ho\u1eb7c m\u1ea1ng c\u1ee7a b\u1ea1n.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>B\u01b0\u1edbc 3: Ki\u1ec3m tra \u0111i\u1ec7n tho\u1ea1i ho\u1eb7c m\u1ea1ng<\/strong><\/p>\n<p>N\u1ebfu trang web \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh l\u00e0 &#8220;Up&#8221; nh\u01b0ng b\u1ea1n v\u1eabn kh\u00f4ng th\u1ec3 truy c\u1eadp, h\u00e3y xem th\u00eam c\u00e1c c\u00e1ch b\u00ean d\u01b0\u1edbi \u0111\u1ec3 kh\u00e1c ph\u1ee5c l\u1ed7i.<\/p>\n<h3>Kh\u1edfi \u0111\u1ed9ng l\u1ea1i b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn<\/h3>\n<div class=\"flex-1 overflow-hidden\">\n<div class=\"react-scroll-to-bottom--css-htokv-79elbk h-full dark:bg-gray-800\">\n<div class=\"react-scroll-to-bottom--css-htokv-1n7m0yu\">\n<div class=\"flex flex-col text-sm dark:bg-gray-800\">\n<div class=\"group w-full text-token-text-primary border-b border-black\/10 dark:border-gray-900\/50 bg-gray-50 dark:bg-[#444654]\" data-testid=\"conversation-turn-11\">\n<div class=\"p-4 justify-center text-base md:gap-6 md:py-6 m-auto\">\n<div class=\"flex flex-1 gap-4 text-base mx-auto md:gap-6 md:max-w-2xl lg:max-w-[38rem] xl:max-w-3xl }\">\n<div class=\"relative flex w-[calc(100%-50px)] flex-col gap-1 md:gap-3 lg:w-[calc(100%-115px)]\">\n<div class=\"flex flex-grow flex-col gap-3 max-w-full\">\n<div class=\"min-h-[20px] flex flex-col items-start gap-3 overflow-x-auto whitespace-pre-wrap break-words\">\n<div class=\"markdown prose w-full break-words dark:prose-invert light\">\n<p>Kh\u1edfi \u0111\u1ed9ng l\u1ea1i b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn (router) l\u00e0 m\u1ed9t bi\u1ec7n ph\u00e1p c\u01a1 b\u1ea3n v\u00e0 th\u01b0\u1eddng r\u1ea5t h\u1eefu \u00edch \u0111\u1ec3 kh\u1eafc ph\u1ee5c c\u00e1c v\u1ea5n \u0111\u1ec1 k\u1ebft n\u1ed1i m\u1ea1ng. Vi\u1ec7c n\u00e0y c\u00f3 th\u1ec3 gi\u00fap l\u00e0m m\u1edbi k\u1ebft n\u1ed1i Internet v\u00e0 gi\u1ea3i quy\u1ebft c\u00e1c s\u1ef1 c\u1ed1 nh\u01b0 l\u1ed7i ERR_CONNECTION_REFUSED. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch th\u1ef1c hi\u1ec7n vi\u1ec7c kh\u1edfi \u0111\u1ed9ng l\u1ea1i b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn:<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-4.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-4-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-4-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-260402 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-4.jpg\" alt=\"err_connection_refused-3\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-4.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-4-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-4-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<ul>\n<li><strong>T\u1eaft ngu\u1ed3n b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn<\/strong>: T\u00ecm n\u00fat ngu\u1ed3n tr\u00ean b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn ho\u1eb7c th\u00e1o c\u1eafp d\u00e2y ngu\u1ed3n kh\u1ecfi n\u00f3. \u0110\u1ea3m b\u1ea3o b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn \u0111\u00e3 ho\u00e0n to\u00e0n t\u1eaft.<\/li>\n<li><strong>\u0110\u1ee3i \u00edt nh\u1ea5t 30 gi\u00e2y<\/strong>: \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn \u0111\u00e3 \u0111\u01b0\u1ee3c ho\u00e0n to\u00e0n t\u1eaft v\u00e0 h\u1ebft \u0111i\u1ec7n.<\/li>\n<li><strong>Kh\u1edfi \u0111\u1ed9ng l\u1ea1i b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn<\/strong>: B\u1eadt l\u1ea1i b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn b\u1eb1ng c\u00e1ch nh\u1ea5n n\u00fat ngu\u1ed3n ho\u1eb7c k\u1ebft n\u1ed1i d\u00e2y ngu\u1ed3n l\u1ea1i. \u0110\u1ee3i m\u1ed9t th\u1eddi gian cho b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn kh\u1edfi \u0111\u1ed9ng l\u1ea1i ho\u00e0n to\u00e0n, c\u00f3 th\u1ec3 m\u1ea5t v\u00e0i ph\u00fat.<\/li>\n<\/ul>\n<p>Vi\u1ec7c kh\u1edfi \u0111\u1ed9ng l\u1ea1i b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3i quy\u1ebft m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 k\u1ebft n\u1ed1i m\u1ea1ng v\u00e0 \u0111\u00f4i khi kh\u1eafc ph\u1ee5c l\u1ed7i k\u1ebft n\u1ed1i Internet. Tuy nhi\u00ean, n\u1ebfu sau khi kh\u1edfi \u0111\u1ed9ng l\u1ea1i b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn m\u00e0 v\u1ea5n \u0111\u1ec1 v\u1eabn t\u1ed3n t\u1ea1i, b\u1ea1n n\u00ean xem x\u00e9t c\u00e1c bi\u1ec7n ph\u00e1p kh\u00e1c nh\u01b0 \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp trong c\u00e1c c\u00e2u tr\u1ea3 l\u1eddi tr\u01b0\u1edbc \u0111\u00f3.<\/p>\n<h3>X\u00f3a b\u1ed9 nh\u1edb cache<\/h3>\n<div class=\"flex-1 overflow-hidden\">\n<div class=\"react-scroll-to-bottom--css-htokv-79elbk h-full dark:bg-gray-800\">\n<div class=\"react-scroll-to-bottom--css-htokv-1n7m0yu\">\n<div class=\"flex flex-col text-sm dark:bg-gray-800\">\n<div class=\"group w-full text-token-text-primary border-b border-black\/10 dark:border-gray-900\/50 bg-gray-50 dark:bg-[#444654]\" data-testid=\"conversation-turn-13\">\n<div class=\"p-4 justify-center text-base md:gap-6 md:py-6 m-auto\">\n<div class=\"flex flex-1 gap-4 text-base mx-auto md:gap-6 md:max-w-2xl lg:max-w-[38rem] xl:max-w-3xl }\">\n<div class=\"relative flex w-[calc(100%-50px)] flex-col gap-1 md:gap-3 lg:w-[calc(100%-115px)]\">\n<div class=\"flex flex-grow flex-col gap-3 max-w-full\">\n<div class=\"min-h-[20px] flex flex-col items-start gap-3 overflow-x-auto whitespace-pre-wrap break-words\">\n<div class=\"markdown prose w-full break-words dark:prose-invert light\">\n<p>X\u00f3a b\u1ed9 nh\u1edb cache c\u1ee7a tr\u00ecnh duy\u1ec7t c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3i quy\u1ebft m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 k\u1ebft n\u1ed1i m\u1ea1ng v\u00e0 l\u1ed7i tr\u00ecnh duy\u1ec7t, bao g\u1ed3m c\u1ea3 l\u1ed7i ERR_CONNECTION_REFUSED. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch x\u00f3a b\u1ed9 nh\u1edb cache tr\u00ean tr\u00ecnh duy\u1ec7t.<\/p>\n<p><strong>B\u01b0\u1edbc 1<\/strong>: \u0110\u1ea7u ti\u00ean, m\u1edf m\u1ee5c &#8220;C\u00e0i \u0111\u1eb7t&#8221; sau \u0111\u00f3 ch\u1ecdn &#8220;B\u1ed9 nh\u1edb&#8221;.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-1.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-1-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-1-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-260415 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-1.jpg\" alt=\"err_connection_refused-4\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-1.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-1-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-1-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p><strong>B\u01b0\u1edbc 2<\/strong>: Ti\u1ebfp theo, ch\u1ecdn &#8220;D\u1eef li\u1ec7u b\u1ed9 nh\u1edb\u00a0 &gt; Nh\u1ea5p &#8220;X\u00f3a&#8221;.<\/p>\n<p>Sau khi th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc n\u00e0y, tr\u00ecnh duy\u1ec7t c\u1ee7a b\u1ea1n s\u1ebd \u0111\u00e3 x\u00f3a b\u1ed9 nh\u1edb cache v\u00e0 b\u1ea1n c\u00f3 th\u1ec3 th\u1eed truy c\u1eadp l\u1ea1i trang web g\u00e2y ra l\u1ed7i ERR_CONNECTION_REFUSED \u0111\u1ec3 xem li\u1ec7u v\u1ea5n \u0111\u1ec1 \u0111\u00e3 \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft ch\u01b0a.<\/p>\n<h3>X\u00f3a b\u1ed9 nh\u1edb cache DNS<\/h3>\n<p>Trong tr\u01b0\u1eddng h\u1ee3p x\u00f3a b\u1ed9 nh\u1edb cache m\u00e0 v\u1eabn kh\u00f4ng truy c\u1eadp \u0111\u01b0\u1ee3c web b\u1ea1n c\u00f3\u00a0 th\u1ec3\u00a0 kh\u1eafc ph\u1ee5c l\u1ed7i ERR_CONNECTION_REFUSED tr\u00ean m\u00e1y t\u00ednh b\u1eb1ng c\u00e1ch x\u00f3a b\u1ed9 nh\u1edb cache DNS.<\/p>\n<p><strong>B\u01b0\u1edbc 1:<\/strong> Nh\u1ea5n t\u1ed5 h\u1ee3p ph\u00edm Windows + R. Sau \u0111\u00f3, nh\u1eadp &#8216;cmd&#8217; v\u00e0 nh\u1ea5n Enter \u0111\u1ec3 m\u1edf c\u1eeda s\u1ed5 Command Prompt.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-6.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-6-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-6-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-260404 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-6.jpg\" alt=\"err_connection_refused-5\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-6.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-6-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-6-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p><strong>B\u01b0\u1edbc 2:<\/strong> Trong c\u1eeda s\u1ed5 Command Prompt, nh\u1eadp l\u1ec7nh &#8216;ipconfig \/flushdns&#8217; v\u00e0 nh\u1ea5n Enter. Khi b\u1ea1n th\u1ea5y th\u00f4ng b\u00e1o &#8220;Windows IP configuration successfully flushed the DNS Resolver Cache,&#8221; \u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 cache DNS \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00f3a th\u00e0nh c\u00f4ng.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-7.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-7-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-7-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-260405 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-7.jpg\" alt=\"err_connection_refused-6\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-7.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-7-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-7-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3>Ki\u1ec3m tra c\u00e0i \u0111\u1eb7t proxy kh\u1eafc ph\u1ee5c l\u1ed7i ERR_CONNECTION_REFUSED<\/h3>\n<div class=\"flex-1 overflow-hidden\">\n<div class=\"react-scroll-to-bottom--css-cfngj-79elbk h-full dark:bg-gray-800\">\n<div class=\"react-scroll-to-bottom--css-cfngj-1n7m0yu\">\n<div class=\"flex flex-col text-sm dark:bg-gray-800\">\n<div class=\"group w-full text-token-text-primary border-b border-black\/10 dark:border-gray-900\/50 bg-gray-50 dark:bg-[#444654]\" data-testid=\"conversation-turn-19\">\n<div class=\"p-4 justify-center text-base md:gap-6 md:py-6 m-auto\">\n<div class=\"flex flex-1 gap-4 text-base mx-auto md:gap-6 md:max-w-2xl lg:max-w-[38rem] xl:max-w-3xl }\">\n<div class=\"relative flex w-[calc(100%-50px)] flex-col gap-1 md:gap-3 lg:w-[calc(100%-115px)]\">\n<div class=\"flex flex-grow flex-col gap-3 max-w-full\">\n<div class=\"min-h-[20px] flex flex-col items-start gap-3 overflow-x-auto whitespace-pre-wrap break-words\">\n<div class=\"markdown prose w-full break-words dark:prose-invert light\">\n<p>L\u1ed7i n\u00e0y th\u01b0\u1eddng c\u00f3 th\u1ec3 x\u1ea3y ra v\u1ea5n \u0111\u1ec1 proxy m\u00e1y ch\u1ee7. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra khi m\u00e1y ch\u1ee7 web ch\u1eb7n proxy, c\u1ea5u h\u00ecnh \u0111\u1ecba ch\u1ec9 IP kh\u00f4ng ch\u00ednh x\u00e1c ho\u1eb7c proxy \u0111ang ngo\u1ea1i tuy\u1ebfn. \u0110\u1ec3 s\u1eeda l\u1ed7i v\u00e0 truy c\u1eadp trang web b\u00ecnh th\u01b0\u1eddng, h\u00e3y l\u00e0m theo c\u00e1c b\u01b0\u1edbc sau:<\/p>\n<ul>\n<li>M\u1edf c\u00e0i \u0111\u1eb7t tr\u00ecnh duy\u1ec7t Chrome tr\u00ean \u0111i\u1ec7n tho\u1ea1i c\u1ee7a b\u1ea1n.<\/li>\n<li>Ch\u1ecdn &#8220;N\u00e2ng cao&#8221; trong menu c\u00e0i \u0111\u1eb7t.<\/li>\n<li>Ti\u1ebfp theo, ch\u1ecdn &#8220;H\u1ec7 th\u1ed1ng&#8221; v\u00e0 sau \u0111\u00f3 &#8220;M\u1edf c\u00e0i \u0111\u1eb7t proxy&#8221; \u0111\u1ec3 m\u1edf c\u1eeda s\u1ed5 &#8220;Internet Properties.&#8221;<\/li>\n<li>Trong c\u1eeda s\u1ed5 &#8220;Internet Properties,&#8221; ch\u1ecdn &#8220;Connections.&#8221;<\/li>\n<li>Nh\u1ea5n v\u00e0o &#8220;LAN Settings.&#8221;<\/li>\n<li>Cu\u1ed1i c\u00f9ng, b\u1ecf d\u1ea5u t\u00edch \u1edf m\u1ee5c &#8220;S\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 proxy cho m\u1ea1ng n\u1ed9i b\u1ed9 c\u1ee7a b\u1ea1n&#8221; v\u00e0 nh\u1ea5n &#8220;OK.&#8221;<\/li>\n<\/ul>\n<p>Sau khi th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc n\u00e0y, b\u1ea1n s\u1ebd kh\u00f4ng b\u1ecb ch\u1eb7n truy c\u1eadp v\u00e0o trang web n\u1eefa.<\/p>\n<h3>T\u1eaft ho\u1eb7c g\u1ee1 b\u1ecf c\u00e1c ti\u1ec7n \u00edch m\u1edf r\u1ed9ng Chrome \u0111\u00e3 l\u1ed7i th\u1eddi<\/h3>\n<p>C\u00f3 th\u1ec3 th\u1eeba nh\u1eadn r\u1eb1ng c\u00e1c ti\u1ec7n \u00edch m\u1edf r\u1ed9ng tr\u00ean tr\u00ecnh duy\u1ec7t gi\u00fap t\u1ed1i \u01b0u h\u00f3a tr\u1ea3i nghi\u1ec7m s\u1eed d\u1ee5ng. Tuy nhi\u00ean, ph\u1ea7n l\u1edbn c\u00e1c ti\u1ec7n \u00edch m\u1edf r\u1ed9ng n\u00e0y \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi b\u00ean th\u1ee9 ba v\u00e0 kh\u00f4ng lu\u00f4n \u0111\u1ea3m b\u1ea3o t\u00ednh \u1ed5n \u0111\u1ecbnh ho\u1eb7c c\u1eadp nh\u1eadt.<\/p>\n<p>N\u1ebfu b\u1ea1n g\u1eb7p l\u1ed7i th\u1eddi ho\u1eb7c kh\u00f4ng ch\u00ednh x\u00e1c t\u1eeb c\u00e1c ti\u1ec7n \u00edch n\u00e0y, ch\u00fang c\u00f3 th\u1ec3 g\u00e2y kh\u00f3 kh\u0103n cho tr\u1ea3i nghi\u1ec7m c\u1ee7a b\u1ea1n, th\u1eadm ch\u00ed g\u00e2y ra l\u1ed7i ERR_CONNECTION_REFUSED.<\/p>\n<p><strong>B\u01b0\u1edbc 1:<\/strong> Nh\u1ea5n v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng ba ch\u1ea5m &gt; Ch\u1ecdn &#8220;C\u00f4ng c\u1ee5 kh\u00e1c&#8221; &gt; Ch\u1ecdn &#8220;Ti\u1ec7n \u00edch m\u1edf r\u1ed9ng&#8221;.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-8.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-8-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-8-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-260406 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-8.jpg\" alt=\"err_connection_refused-7\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-8.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-8-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-8-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p><strong>B\u01b0\u1edbc 2:<\/strong> B\u1ea1n c\u00f3 th\u1ec3 ch\u1ecdn &#8220;X\u00f3a&#8221; n\u1ebfu b\u1ea1n mu\u1ed1n g\u1ee1 b\u1ecf ti\u1ec7n \u00edch m\u1edf r\u1ed9ng m\u1ed9t c\u00e1ch ho\u00e0n to\u00e0n (t\u00f9y ch\u1ecdn 1) ho\u1eb7c ch\u1ecdn &#8220;T\u1eaft&#8221; \u0111\u1ec3 t\u1ea1m th\u1eddi v\u00f4 hi\u1ec7u h\u00f3a n\u00f3 (t\u00f9y ch\u1ecdn 2).<\/p>\n<h3>T\u1ea1m th\u1eddi t\u1eaft ph\u1ea7n m\u1ec1m ch\u1ed1ng virus v\u00e0 t\u01b0\u1eddng l\u1eeda<\/h3>\n<p>T\u1ea1m th\u1eddi t\u1eaft ph\u1ea7n m\u1ec1m ch\u1ed1ng virus v\u00e0 t\u01b0\u1eddng l\u1eeda c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 k\u1ebft n\u1ed1i tr\u00ean m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n. M\u1eb7c d\u00f9 c\u00e1c ph\u1ea7n m\u1ec1m n\u00e0y l\u00e0 nh\u1eefng c\u00f4ng c\u1ee5 b\u1ea3o m\u1eadt quan tr\u1ecdng, \u0111\u1ea3m b\u1ea3o an to\u00e0n cho m\u00e1y t\u00ednh, nh\u01b0ng \u0111\u00f4i khi ch\u00fang c\u00f3 th\u1ec3 g\u00e2y ra s\u1ef1 c\u1ed1 trong vi\u1ec7c k\u1ebft n\u1ed1i. \u0110\u00e2y l\u00e0 c\u00e1ch b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1m th\u1eddi t\u1eaft ch\u00fang:<\/p>\n<p><strong>\u0110\u1ed1i v\u1edbi \u0111i\u1ec7n tho\u1ea1i:<\/strong><\/p>\n<p>B\u1ea1n c\u00f3 th\u1ec3 g\u1ee1 b\u1ecf ho\u1eb7c ng\u01b0ng s\u1eed d\u1ee5ng c\u00e1c ph\u1ea7n m\u1ec1m ch\u1ed1ng virus t\u1ea1m th\u1eddi \u0111\u1ec3 truy c\u1eadp website.<\/p>\n<p><strong>\u0110\u1ed1i v\u1edbi Windows<\/strong><\/p>\n<p><strong>B\u01b0\u1edbc 1:<\/strong> M\u1edf h\u1ed9p t\u00ecm ki\u1ebfm, sau \u0111\u00f3, g\u00f5 &#8216;control panel&#8217; v\u00e0 ch\u1ecdn \u1ee9ng d\u1ee5ng &#8220;Control Panel&#8221; t\u1eeb k\u1ebft qu\u1ea3 t\u00ecm ki\u1ebfm. Sau \u0111\u00f3 ch\u1ecdn &#8220;System and Security&#8221;.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-9.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-9-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-9-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-260407 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-9.jpg\" alt=\"err_connection_refused-8\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-9.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-9-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-9-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-10.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-10-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-10-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-260408 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-10.jpg\" alt=\"err_connection_refused-9\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-10.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-10-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-10-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p><strong>B\u01b0\u1edbc 2:<\/strong> Trong Control Panel, ch\u1ecdn Windows Defender Firewall.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-11.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-11-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-11-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-260409 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-11.jpg\" alt=\"err_connection_refused-10\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-11.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-11-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-11-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p><strong>B\u01b0\u1edbc 3:<\/strong> Trong c\u1eeda s\u1ed5 Windows Defender Firewall &gt; Change notification settings&#8221;.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-tren-dien-thoai.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-tren-dien-thoai-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-tren-dien-thoai-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-260413 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-tren-dien-thoai.jpg\" alt=\"err_connection_refused-tren-dien-thoai-1\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-tren-dien-thoai.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-tren-dien-thoai-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-tren-dien-thoai-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">B\u01b0\u1edbc 4:<\/span><\/span><\/strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"> Trong ph\u1ea7n C\u00e0i \u0111\u1eb7t m\u1ea1ng ri\u00eang t\u01b0 &gt; ch\u1ecdn T\u1eaft T\u01b0\u1eddng l\u1eeda c\u1ee7a B\u1ed9 b\u1ea3o v\u1ec7 Windows (kh\u00f4ng khuy\u1ebfn ngh\u1ecb). <\/span><span style=\"vertical-align: inherit;\">Sau \u0111\u00f3, trong ph\u1ea7n C\u00e0i \u0111\u1eb7t m\u1ea1ng c\u00f4ng c\u1ed9ng &gt; T\u1eaft T\u01b0\u1eddng l\u1eeda c\u1ee7a B\u1ed9 b\u1ea3o v\u1ec7 Windows (kh\u00f4ng \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb) &gt; OK.<\/span><\/span><\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-tren-dien-thoai-2.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-tren-dien-thoai-2-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-tren-dien-thoai-2-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-260411 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-tren-dien-thoai-2.jpg\" alt=\"err_connection_refused-tren-dien-thoai-3\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-tren-dien-thoai-2.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-tren-dien-thoai-2-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-tren-dien-thoai-2-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<div class=\"group w-full text-token-text-primary border-b border-black\/10 dark:border-gray-900\/50 bg-gray-50 dark:bg-[#444654]\" data-testid=\"conversation-turn-27\">\n<div class=\"p-4 justify-center text-base md:gap-6 md:py-6 m-auto\">\n<div class=\"flex flex-1 gap-4 text-base mx-auto md:gap-6 md:max-w-2xl lg:max-w-[38rem] xl:max-w-3xl }\">\n<div class=\"relative flex w-[calc(100%-50px)] flex-col gap-1 md:gap-3 lg:w-[calc(100%-115px)]\">\n<div class=\"flex flex-grow flex-col gap-3 max-w-full\">\n<div class=\"min-h-[20px] flex flex-col items-start gap-3 overflow-x-auto whitespace-pre-wrap break-words\">\n<div class=\"markdown prose w-full break-words dark:prose-invert light\">\n<h3>C\u00e0i \u0111\u1eb7t l\u1ea1i tr\u00ecnh duy\u1ec7t Chrome ERR_CONNECTION_REFUSED<\/h3>\n<p>N\u1ebfu b\u1ea1n \u0111\u00e3 th\u1eed t\u1ea5t c\u1ea3 c\u00e1c c\u00e1ch tr\u00ean m\u00e0 v\u1eabn kh\u00f4ng th\u1ec3 kh\u1eafc ph\u1ee5c l\u1ed7i , th\u00ec t\u00f9y ch\u1ecdn cu\u1ed1i c\u00f9ng l\u00e0 g\u1ee1 b\u1ecf v\u00e0 c\u00e0i \u0111\u1eb7t l\u1ea1i tr\u00ecnh duy\u1ec7t \u0111\u1ec3 c\u00f3 m\u1ed9t tr\u1ea3i nghi\u1ec7m s\u1ea1ch s\u1ebd v\u00e0 \u1ed5n \u0111\u1ecbnh h\u01a1n.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-tren-dien-thoai-3.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-tren-dien-thoai-3-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/09\/err_connection_refused-tren-dien-thoai-3-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-260412 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-tren-dien-thoai-3.jpg\" alt=\"err_connection_refused-tren-dien-thoai\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-tren-dien-thoai-3.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-tren-dien-thoai-3-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/09\/err_connection_refused-tren-dien-thoai-3-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p>L\u01b0u \u00fd: Khi b\u1ea1n c\u00e0i \u0111\u1eb7t l\u1ea1i tr\u00ecnh duy\u1ec7t, t\u1ea5t c\u1ea3 d\u1eef li\u1ec7u \u0111\u00e3 l\u01b0u trong tr\u00ecnh duy\u1ec7t nh\u01b0 c\u00e1c \u0111\u00e1nh d\u1ea5u trang, l\u1ecbch s\u1eed duy\u1ec7t web, v\u00e0 l\u1ecbch s\u1eed t\u1ea3i xu\u1ed1ng s\u1ebd b\u1ecb x\u00f3a m\u1ea5t.<\/p>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta \u0111\u00e3 t\u00ecm hi\u1ec3u v\u1ec1 c\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i Err_connection_refused tr\u00ean \u0111i\u1ec7n tho\u1ea1i. Ch\u00fang t\u00f4i hy v\u1ecdng r\u1eb1ng b\u00e0i vi\u1ebft n\u00e0y \u0111\u00e3 gi\u00fap b\u1ea1n gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 v\u00e0 ti\u1ebfp t\u1ee5c tr\u1ea3i nghi\u1ec7m internet m\u1ed9t c\u00e1ch su\u00f4n s\u1ebb tr\u00ean \u0111i\u1ec7n tho\u1ea1i c\u1ee7a m\u00ecnh.<\/p>\n<p>Tham kh\u1ea3o th\u00eam:<\/p>\n<ul>\n<li><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/dia-chi-ip-la-gi\/\">\u0110\u1ecba ch\u1ec9 IP l\u00e0 g\u00ec? C\u00e1ch xem \u0111\u1ecba ch\u1ec9 IP tr\u00ean \u0111i\u1ec7n tho\u1ea1i m\u1edbi nh\u1ea5t<\/a><\/li>\n<\/ul>\n<p>Ho\u1eb7c truy c\u1eadp ngay danh m\u1ee5c <strong><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/category\/kham-pha\/goc-to-mo\">G\u00f3c t\u00f2 m\u00f2<\/a><\/strong> c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec3 xem th\u00eam c\u00e1c b\u00e0i vi\u1ebft h\u1eefu \u00edch kh\u00e1c<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i ERR_CONNECTION_REFUSED tr\u00ean \u0111i\u1ec7n tho\u1ea1i l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi nhi\u1ec1u ng\u01b0\u1eddi s\u1eed d\u1ee5ng internet. L\u1ed7i n\u00e0y c\u00f3 th\u1ec3 l\u00e0m b\u1ea1n g\u1eb7p kh\u00f3 kh\u0103n khi truy c\u1eadp c\u00e1c trang web ho\u1eb7c \u1ee9ng d\u1ee5ng tr\u00ean thi\u1ebft b\u1ecb di \u0111\u1ed9ng c\u1ee7a m\u00ecnh. Tuy nhi\u00ean, kh\u00f4ng c\u1ea7n qu\u00e1 lo l\u1eafng, v\u00ec c\u00f3 [&hellip;]<\/p>\n","protected":false},"author":85,"featured_media":260417,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16,8,17],"tags":[],"class_list":["post-259410","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thu-thuat","category-thu-thuat-android","category-thu-thuat-ios"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.2 (Yoast SEO v24.2) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i Err_connection_refused tr\u00ean \u0111i\u1ec7n tho\u1ea1i<\/title>\n<meta name=\"description\" content=\"H\u01b0\u1edbng d\u1eabn c\u00e1c c\u00e1ch \u0111\u1ec3 kh\u1eafc ph\u1ee5c l\u1ed7i ERR_CONNECTION_REFUSED nhanh ch\u00f3ng \u0111\u1ea3m b\u1ea3o tr\u1ea3i nghi\u1ec7m internet m\u1ed9t c\u00e1ch tr\u01a1n tru v\u00e0 kh\u00f4ng b\u1ecb gi\u00e1n \u0111o\u1ea1n.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hoanghamobile.com\/tin-tuc\/err-connection-refused\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i Err_connection_refused tr\u00ean \u0111i\u1ec7n tho\u1ea1i\" \/>\n<meta property=\"og:description\" content=\"H\u01b0\u1edbng d\u1eabn c\u00e1c c\u00e1ch \u0111\u1ec3 kh\u1eafc ph\u1ee5c l\u1ed7i ERR_CONNECTION_REFUSED nhanh ch\u00f3ng \u0111\u1ea3m b\u1ea3o tr\u1ea3i nghi\u1ec7m internet m\u1ed9t c\u00e1ch tr\u01a1n tru v\u00e0 kh\u00f4ng b\u1ecb gi\u00e1n \u0111o\u1ea1n.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/hoanghamobile.com\/tin-tuc\/err-connection-refused\/\" \/>\n<meta property=\"og:site_name\" content=\"Tin t\u1ee9c c\u00f4ng ngh\u1ec7 - 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