{"id":311884,"date":"2024-01-31T16:06:20","date_gmt":"2024-01-31T09:06:20","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=311884"},"modified":"2024-01-31T16:06:20","modified_gmt":"2024-01-31T09:06:20","slug":"err_connection_closed","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/err_connection_closed\/","title":{"rendered":"Kh\u1eafc ph\u1ee5c l\u1ed7i Err_Connection_Refused v\u00e0 l\u1ed7i Err_Connection_Closed tr\u00ean tr\u00ecnh duy\u1ec7t Chrome"},"content":{"rendered":"

R\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng th\u01b0\u1eddng g\u1eb7p ph\u1ea3i nh\u1eefng l\u1ed7i kh\u00f4ng th\u1ec3 truy c\u1eadp trang web do nhi\u1ec1u nguy\u00ean nh\u00e2n kh\u00e1c nhau nh\u01b0 l\u1ed7i k\u1ebft n\u1ed1i m\u1ea1ng, l\u1ed7i k\u1ebft n\u1ed1i m\u00e1y ch\u1ee7, l\u1ed7i xung \u0111\u1ed9t ti\u1ec7n \u00edch v\u00e0 c\u00e1c ph\u1ea7n m\u1ec1m kh\u00e1c,… Trong \u0111\u00f3 c\u00f3 hai l\u1ed7i ph\u1ed5 bi\u1ebfn th\u01b0\u1eddng g\u1eb7p \u0111\u00f3 l\u00e0 l\u1ed7i <\/span>Err_Connection_Closed<\/b> v\u00e0 l\u1ed7i Err_Connection_Refused tr\u00ean tr\u00ecnh duy\u1ec7t Chrome. Khi xu\u1ea5t hi\u1ec7n hai l\u1ed7i n\u00e0y, b\u1ea1n kh\u00f4ng th\u1ec3 truy c\u1eadp \u0111\u1ebfn trang web m\u00e0 b\u1ea1n mu\u1ed1n. V\u1eady l\u00e0m sao \u0111\u1ec3 kh\u1eafc ph\u1ee5c hai l\u1ed7i gi\u00e1n \u0111o\u1ea1n n\u00e0y? Theo d\u00f5i ngay b\u00e0i vi\u1ebft sau.<\/span><\/p>\n

L\u1ed7i Err_Connection_Closed l\u00e0 g\u00ec?<\/b><\/h2>\n

L\u1ed7i “Err_Connection_Closed” l\u00e0 m\u1ed9t l\u1ed7i ph\u1ed5 bi\u1ebfn trong qu\u00e1 tr\u00ecnh truy c\u1eadp trang web th\u00f4ng qua tr\u00ecnh duy\u1ec7t. L\u1ed7i n\u00e0y x\u1ea3y ra khi k\u1ebft n\u1ed1i gi\u1eefa tr\u00ecnh duy\u1ec7t v\u00e0 m\u00e1y ch\u1ee7 web b\u1ecb \u0111\u00f3ng b\u1ea5t ng\u1edd tr\u01b0\u1edbc khi ho\u00e0n th\u00e0nh qu\u00e1 tr\u00ecnh truy\u1ec1n d\u1eef li\u1ec7u.<\/span><\/p>\n

\"khac-phuc-loi-err_connection_closed-22\"<\/p>\n

D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 nguy\u00ean nh\u00e2n g\u00e2y ra l\u1ed7i n\u00e0y:<\/span><\/p>\n

K\u1ebft n\u1ed1i m\u1ea1ng kh\u00f4ng \u1ed5n \u0111\u1ecbnh:<\/b> C\u00e1c l\u1ed7i m\u1ea1ng nh\u01b0 m\u1ea5t k\u1ebft n\u1ed1i ho\u1eb7c t\u00edn hi\u1ec7u y\u1ebfu c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c \u0111\u00f3ng k\u1ebft n\u1ed1i gi\u1eefa tr\u00ecnh duy\u1ec7t v\u00e0 m\u00e1y ch\u1ee7 web d\u1eabn \u0111\u1ebfn l\u1ed7i.<\/span><\/p>\n

T\u01b0\u1eddng l\u1eeda ho\u1eb7c ph\u1ea7n m\u1ec1m ch\u1ed1ng virus:<\/b> M\u1ed9t s\u1ed1 c\u00e0i \u0111\u1eb7t t\u01b0\u1eddng l\u1eeda ho\u1eb7c ph\u1ea7n m\u1ec1m ch\u1ed1ng virus c\u00f3 th\u1ec3 ch\u1eb7n ho\u1eb7c gi\u1edbi h\u1ea1n k\u1ebft n\u1ed1i \u0111\u1ebfn trang web c\u1ee5 th\u1ec3, c\u0169ng l\u00e0 m\u1ed9t trong nh\u1eefng nguy\u00ean nh\u00e2n d\u1eabn \u0111\u1ebfn l\u1ed7i.<\/span><\/p>\n

L\u1ed7i m\u00e1y ch\u1ee7:<\/b> N\u1ebfu m\u00e1y ch\u1ee7 web g\u1eb7p s\u1ef1 c\u1ed1 ho\u1eb7c qu\u00e1 t\u1ea3i, n\u00f3 c\u00f3 th\u1ec3 \u0111\u00f3ng k\u1ebft n\u1ed1i m\u00e0 kh\u00f4ng g\u1eedi l\u1ea1i d\u1eef li\u1ec7u \u0111\u1ea7y \u0111\u1ee7 cho tr\u00ecnh duy\u1ec7t, g\u00e2y ra l\u1ed7i.<\/span><\/p>\n

Ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i ho\u1eb7c ti\u1ec7n \u00edch m\u1edf r\u1ed9ng:<\/b> M\u1ed9t s\u1ed1 ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i ho\u1eb7c ti\u1ec7n \u00edch m\u1edf r\u1ed9ng c\u00f3 th\u1ec3 can thi\u1ec7p v\u00e0o qu\u00e1 tr\u00ecnh truy\u1ec1n d\u1eef li\u1ec7u v\u00e0 g\u00e2y ra l\u1ed7i.<\/span><\/p>\n

L\u1ed7i c\u1ea5u h\u00ecnh DNS:<\/b> DNS (Domain Name System) l\u00e0 c\u01a1 ch\u1ebf chuy\u1ec3n \u0111\u1ed5i t\u00ean mi\u1ec1n th\u00e0nh \u0111\u1ecba ch\u1ec9 IP \u0111\u1ec3 tr\u00ecnh duy\u1ec7t c\u00f3 th\u1ec3 t\u00ecm th\u1ea5y m\u00e1y ch\u1ee7 web. N\u1ebfu DNS kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang c\u00e1ch, n\u00f3 c\u00f3 th\u1ec3 g\u00e2y ra l\u1ed7i “Err_Connection_Closed”.<\/span><\/p>\n

L\u1ed7i Err_Connection_Refused l\u00e0 g\u00ec?<\/b><\/h2>\n

L\u1ed7i “Err_Connection_Refused” x\u1ea3y ra khi tr\u00ecnh duy\u1ec7t web kh\u00f4ng th\u1ec3 thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i t\u1edbi m\u00e1y ch\u1ee7 web \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u v\u00e0 m\u00e1y ch\u1ee7 t\u1eeb ch\u1ed1i k\u1ebft n\u1ed1i t\u1eeb ph\u00eda b\u1ea1n. \u0110\u00e2y l\u00e0 m\u1ed9t m\u00e3 l\u1ed7i HTTP th\u00f4ng b\u00e1o v\u1ec1 vi\u1ec7c kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i v\u1edbi m\u00e1y ch\u1ee7 web.<\/span><\/p>\n

\"khac-phuc-loi-err_connection_closed-21\"<\/p>\n

T\u01b0\u01a1ng t\u1ef1 nh\u01b0 nguy\u00ean nh\u00e2n g\u00e2y ra l\u1ed7i “Err_Connection_Closed”, d\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 nguy\u00ean nh\u00e2n g\u00e2y ra l\u1ed7i “Err_Connection_Refused”, c\u1ee5 th\u1ec3 nh\u01b0 sau:<\/span><\/p>\n

M\u00e1y ch\u1ee7 web kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng:<\/b> L\u1ed7i n\u00e0y c\u00f3 th\u1ec3 x\u1ea3y ra khi m\u00e1y ch\u1ee7 web b\u1ecb t\u1eaft, qu\u00e1 t\u1ea3i ho\u1eb7c g\u1eb7p v\u1ea5n \u0111\u1ec1 k\u1ef9 thu\u1eadt kh\u00e1c.<\/span><\/p>\n

C\u1ed5ng k\u1ebft n\u1ed1i kh\u00f4ng \u0111\u00fang:<\/b> M\u00e1y ch\u1ee7 web th\u01b0\u1eddng ch\u1ec9 ch\u1ea5p nh\u1eadn k\u1ebft n\u1ed1i th\u00f4ng qua c\u00e1c c\u1ed5ng c\u1ee5 th\u1ec3. N\u1ebfu b\u1ea1n truy c\u1eadp v\u00e0o m\u1ed9t c\u1ed5ng kh\u00f4ng \u0111\u01b0\u1ee3c m\u00e1y ch\u1ee7 ch\u1ea5p nh\u1eadn, m\u00e1y ch\u1ee7 s\u1ebd t\u1eeb ch\u1ed1i k\u1ebft n\u1ed1i v\u00e0 tr\u1ea3 v\u1ec1 l\u1ed7i “Err_Connection_Refused”.<\/span><\/p>\n

T\u01b0\u1eddng l\u1eeda ho\u1eb7c ph\u1ea7n m\u1ec1m ch\u1ed1ng virus:<\/b> N\u1ebfu t\u01b0\u1eddng l\u1eeda ho\u1eb7c m\u1ed9t s\u1ed1 ph\u1ea7n m\u1ec1m ch\u1ed1ng virus tr\u00ean m\u00e1y b\u1ea1n \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh \u0111\u1ec3 ch\u1eb7n k\u1ebft n\u1ed1i t\u1edbi c\u1ed5ng ho\u1eb7c \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u00e1y ch\u1ee7 web, n\u00f3 c\u0169ng s\u1ebd d\u1eabn \u0111\u1ebfn l\u1ed7i.<\/span><\/p>\n

L\u1ed7i m\u1ea1ng:<\/b> L\u1ed7i k\u1ebft n\u1ed1i m\u1ea1ng c\u00f3 th\u1ec3 do ng\u1eaft k\u1ebft n\u1ed1i m\u1ea1ng, t\u1ea1m th\u1eddi m\u1ea5t k\u1ebft n\u1ed1i ho\u1eb7c v\u1ea5n \u0111\u1ec1 v\u1ec1 \u0111\u1ecbnh tuy\u1ebfn m\u1ea1ng c\u0169ng c\u00f3 th\u1ec3 g\u00e2y ra l\u1ed7i “Err_Connection_Refused”.<\/span><\/p>\n

Qu\u00e1 t\u1ea3i m\u00e1y ch\u1ee7:<\/b> Khi l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ed3ng th\u1eddi \u0111\u1ebfn m\u00e1y ch\u1ee7 v\u01b0\u1ee3t qu\u00e1 kh\u1ea3 n\u0103ng x\u1eed l\u00fd, m\u00e1y ch\u1ee7 web c\u00f3 th\u1ec3 t\u1eeb ch\u1ed1i c\u00e1c k\u1ebft n\u1ed1i m\u1edbi v\u00e0 tr\u1ea3 v\u1ec1 l\u1ed7i “Err_Connection_Refused”.<\/span><\/p>\n

L\u1ed7i c\u1ea5u h\u00ecnh:<\/b> M\u1ed9t l\u1ed7i c\u1ea5u h\u00ecnh tr\u00ean m\u00e1y ch\u1ee7 web ho\u1eb7c tr\u00ecnh duy\u1ec7t web c\u1ee7a b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 g\u00e2y ra l\u1ed7i khi c\u1ea5u h\u00ecnh m\u00e1y ch\u1ee7 web kh\u00f4ng cho ph\u00e9p k\u1ebft n\u1ed1i t\u1edbi ho\u1eb7c t\u1eeb c\u00e1c \u0111\u1ecba ch\u1ec9 IP c\u1ee5 th\u1ec3.<\/span><\/p>\n

C\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i Err_Connection_Closed v\u00e0 l\u1ed7i Err_Connection_Refused<\/b><\/h2>\n

L\u1ed7i Err_Connection_Closed\u00a0 v\u00e0 l\u1ed7i Err_Connection_Refused l\u00e0 nh\u1eefng l\u1ed7i ph\u1ed5 bi\u1ebfn trong qu\u00e1 tr\u00ecnh truy c\u1eadp trang web th\u00f4ng qua tr\u00ecnh duy\u1ec7t. Hai l\u1ed7i n\u00e0y x\u1ea3y ra khi\u1ebfn k\u1ebft n\u1ed1i gi\u1eefa thi\u1ebft b\u1ecb v\u00e0 m\u00e1y ch\u1ee7 b\u1ecb gi\u00e1n \u0111o\u1ea1n. C\u00f3 r\u1ea5t nhi\u1ec1u c\u00e1ch kh\u1eafc ph\u1ee5c hai l\u1ed7i n\u00e0y t\u1eeb d\u1ec5 \u0111\u1ebfn kh\u00f3 t\u00f9y v\u00e0o nguy\u00ean nh\u00e2n g\u00e2y ra l\u1ed7i. Tuy nhi\u00ean, \u0111\u1ec3 kh\u1eafc ph\u1ee5c l\u1ed7i Err_Connection_Closed\u00a0 v\u00e0 l\u1ed7i Err_Connection_Refused, b\u1ea1n c\u00f3 th\u1ec3 th\u1eed c\u00e1c bi\u1ec7n ph\u00e1p c\u01a1 b\u1ea3n sau.<\/span><\/p>\n

Ki\u1ec3m tra k\u1ebft n\u1ed1i m\u1ea1ng<\/b><\/h3>\n

\u0110i\u1ec1u \u0111\u1ea7u ti\u00ean l\u00e0 b\u1ea1n c\u1ea7n ki\u1ec3m tra k\u1ebft n\u1ed1i m\u1ea1ng c\u1ee7a m\u00ecnh. Nh\u00ecn xu\u1ed1ng g\u00f3c d\u01b0\u1edbi ph\u00eda b\u00ean ph\u1ea3i m\u00e0n h\u00ecnh, \u1edf \u0111\u00e2y hi\u1ec3n th\u1ecb m\u1ee9c k\u1ebft n\u1ed1i. N\u1ebfu tr\u1ea1ng th\u00e1i k\u1ebft n\u1ed1i internet c\u1ee7a b\u1ea1n kh\u00f4ng gi\u1ed1ng nh\u01b0 h\u00ecnh b\u00ean d\u01b0\u1edbi th\u00ec h\u00e3y ki\u1ec3m tra c\u00e1c router v\u00e0 d\u00e2y c\u00e1p k\u1ebft n\u1ed1i v\u00e0 kh\u1edfi \u0111\u1ed9ng l\u1ea1i c\u1ea3 thi\u1ebft b\u1ecb ngu\u1ed3n v\u00e0 thi\u1ebft b\u1ecb b\u1ea1n d\u00f9ng \u0111\u1ec3 truy c\u1eadp. Sau \u0111\u00f3 h\u00e3y th\u1eed m\u1edf l\u1ea1i tr\u00ecnh duy\u1ec7t\/trang web m\u00e0 b\u1ea1n mu\u1ed1n truy c\u1eadp xem \u0111\u00e3 \u0111\u01b0\u1ee3c hay ch\u01b0a, c\u00f3 c\u00f2n th\u00f4ng b\u00e1o l\u1ed7i Err_Connection_Closed\u00a0 v\u00e0 l\u1ed7i Err_Connection_Refused hay kh\u00f4ng.<\/span><\/p>\n

C\u00f2n m\u1ed9t c\u00e1ch kh\u00e1c, \u0111\u00f3 ch\u00ednh l\u00e0 h\u00e3y th\u1eed truy c\u1eadp v\u00e0o c\u00e1c trang web kh\u00e1c \u0111\u1ec3 xem li\u1ec7u v\u1ea5n \u0111\u1ec1 c\u00f3 ph\u1ea3i do l\u1ed7i k\u1ebft n\u1ed1i m\u1ea1ng hay kh\u00f4ng. Trong tr\u01b0\u1eddng h\u1ee3p website th\u1ee9 hai b\u1ea1n c\u00f3 th\u1ec3 truy c\u1eadp \u0111\u01b0\u1ee3c b\u00ecnh th\u01b0\u1eddng, h\u00e3y th\u1eed c\u00f4ng c\u1ee5 web <\/span>Down for Everyone or Just Me<\/b> \u0111\u1ec3 ki\u1ec3m tra k\u1ebft n\u1ed1i.<\/span><\/p>\n

B\u01b0\u1edbc 1<\/b>: M\u1edf trang web: https:\/\/downforeveryoneorjustme.com\/<\/span><\/p>\n

B\u01b0\u1edbc 2<\/b>: D\u00e1n \u0111\u01b0\u1eddng link c\u1ee7a website m\u00e0 b\u1ea1n mu\u1ed1n truy c\u1eadp v\u00e0o \u00f4 sau \u0111\u00f3 b\u1ea5m <\/span>or just me?<\/b><\/p>\n

\"khac-phuc-loi-err_connection_closed-7\"<\/p>\n

B\u01b0\u1edbc 3<\/b>: \u1ede m\u00e0n h\u00ecnh n\u00e0y b\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m tra c\u00e1c th\u00f4ng s\u1ed1 v\u1ec1 tr\u1ea1ng th\u00e1i c\u1ee7a trang web m\u00e0 b\u1ea1n \u0111ang mu\u1ed1n truy c\u1eadp<\/span><\/p>\n

\"khac-phuc-loi-err_connection_closed-8\"<\/p>\n

– <\/span>Down <\/b>t\u1ee9c l\u00e0 trang web hi\u1ec7n t\u1ea1i kh\u00f4ng th\u1ec3 ho\u1ea1t \u0111\u1ed9ng, \u0111ang ngo\u1ea1i tuy\u1ebfn.<\/span><\/p>\n

– <\/span>Up <\/b>t\u1ee9c l\u00e0 trang web b\u1ea1n c\u00f3 th\u1ec3 truy c\u1eadp b\u00ecnh th\u01b0\u1eddng. N\u1ebfu m\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb up nh\u01b0ng b\u1ea1n v\u1eabn kh\u00f4ng th\u1ec3 truy c\u1eadp th\u00ec h\u00e3y th\u1eed c\u00e1c c\u00e1ch ti\u1ebfp theo ngay sau \u0111\u00e2y.<\/span><\/p>\n

X\u00f3a b\u1ed9 nh\u1edb cache kh\u1eafc ph\u1ee5c l\u1ed7i Err_Connection_Closed<\/b><\/h3>\n

Vi\u1ec7c x\u00f3a b\u1ed9 nh\u1edb cache gi\u00fap gi\u1ea3i ph\u00f3ng kh\u00f4ng gian l\u01b0u tr\u1eef tr\u00ean thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n, \u0111\u1eb7c bi\u1ec7t l\u00e0 tr\u00ean \u1ed5 \u0111\u0129a ho\u1eb7c b\u1ed9 nh\u1edb trong. Ngo\u00e0i ra, c\u00f3 nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p, vi\u1ec7c l\u01b0u tr\u1eef cache kh\u00f4ng \u0111\u00fang c\u00e1ch c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c l\u1ed7i t\u1ea3i trang, vi\u1ec7c x\u00f3a b\u1ed9 nh\u1edb cache c\u00f3 th\u1ec3 gi\u00fap kh\u1eafc ph\u1ee5c c\u00e1c v\u1ea5n \u0111\u1ec1 n\u00e0y b\u1eb1ng c\u00e1ch x\u00f3a c\u00e1c d\u1eef li\u1ec7u cache c\u0169 v\u00e0 t\u1ea3i l\u1ea1i trang web t\u1eeb \u0111\u1ea7u.<\/span><\/p>\n

B\u01b0\u1edbc 1<\/b>: M\u1edf trang <\/span>C\u00e0i \u0111\u1eb7t<\/b> c\u1ee7a Chrome b\u1eb1ng c\u00e1ch truy c\u1eadp link sau: chrome:\/\/settings\/<\/span><\/p>\n

\"khac-phuc-loi-err_connection_closed-2\"<\/p>\n

B\u01b0\u1edbc 2<\/b>: V\u00e0o ph\u1ea7n <\/span>Quy\u1ec1n ri\u00eang t\u01b0 v\u00e0 b\u1ea3o m\u1eadt<\/b> sau \u0111\u00f3 b\u1ea5m ch\u1ecdn <\/span>X\u00f3a d\u1eef li\u1ec7u duy\u1ec7t web<\/b>. T\u1ea1i \u0111\u00e2y b\u1ea1n tick ch\u1ecdn nh\u1eefng th\u00e0nh ph\u1ea7n mu\u1ed1n x\u00f3a v\u00e0 click <\/span>X\u00f3a d\u1eef li\u1ec7u<\/b>.<\/span><\/p>\n

\"khac-phuc-loi-err_connection_closed-3\"<\/p>\n

Ki\u1ec3m tra v\u00e0 \u0111i\u1ec1u ch\u1ec9nh c\u00e0i \u0111\u1eb7t proxy<\/b><\/h3>\n

S\u1eed d\u1ee5ng proxy gi\u00fap b\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0 c\u1ee7a b\u1ea1n. Thay v\u00ec ti\u1ebfp t\u1ee5c k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp t\u1eeb m\u00e1y t\u00ednh \u0111\u1ebfn trang web ho\u1eb7c d\u1ecbch v\u1ee5 tr\u1ef1c tuy\u1ebfn, proxy s\u1ebd l\u00e0m trung gian v\u00e0 gi\u1eef th\u00f4ng tin c\u00e1 nh\u00e2n c\u1ee7a b\u1ea1n an to\u00e0n. Tuy nhi\u00ean, n\u1ebfu c\u00e0i \u0111\u1eb7t proxy kh\u00f4ng ch\u00ednh x\u00e1c ho\u1eb7c m\u00e1y ch\u1ee7 proxy kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng, m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 t\u1eeb ch\u1ed1i k\u1ebft n\u1ed1i v\u00e0 g\u00e2y ra l\u1ed7i Err_Connection_Refused v\u00e0 Err_Connection_Closed.<\/span><\/p>\n

B\u01b0\u1edbc 1<\/b>: M\u1edf trang <\/span>C\u00e0i \u0111\u1eb7t<\/b> c\u1ee7a Chrome b\u1eb1ng c\u00e1ch truy c\u1eadp link sau: chrome:\/\/settings\/<\/span><\/p>\n

B\u01b0\u1edbc 2<\/b>: V\u00e0o m\u1ee5c <\/span>Kh\u1edfi \u0111\u1ed9ng<\/b> ch\u1ecdn <\/span>Ti\u1ebfp t\u1ee5c t\u1eeb n\u01a1i b\u1ea1n \u0111\u00e3 d\u1eebng l\u1ea1i<\/b>.<\/span><\/p>\n

\"khac-phuc-loi-err_connection_closed-4\"<\/p>\n

B\u01b0\u1edbc 3<\/b>: Tr\u00ean m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n, v\u00e0o m\u1ee5c C\u00e0i \u0111\u1eb7t t\u00ecm ch\u1ecdn Proxy Settings ho\u1eb7c g\u00f5 t\u00ecm ki\u1ebfm Proxy Settings tr\u00ean thanh Search bar.<\/span><\/p>\n

\"khac-phuc-loi-err_connection_closed-5\"<\/p>\n

B\u01b0\u1edbc 4<\/b>: Trong m\u1ee5c <\/span>Use a proxy server, <\/b>b\u1ea5m ch\u1ecdn <\/span>Set up<\/b> sau \u0111\u00f3 g\u1ea1t sang tr\u1ea1ng th\u00e1i <\/span>off<\/b>.<\/span><\/p>\n

\"khac-phuc-loi-err_connection_closed-6\"<\/p>\n

T\u1eaft t\u01b0\u1eddng l\u1eeda v\u00e0 ph\u1ea7n m\u1ec1m ch\u1ed1ng virus t\u1ea1m th\u1eddi<\/b><\/h3>\n

T\u01b0\u1eddng l\u1eeda v\u00e0 ph\u1ea7n m\u1ec1m ch\u1ed1ng virus \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong b\u1ea3o v\u1ec7 an to\u00e0n v\u00e0 b\u1ea3o m\u1eadt cho h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh. T\u01b0\u1eddng l\u1eeda v\u00e0 ph\u1ea7n m\u1ec1m ch\u1ed1ng virus l\u00e0 hai ph\u1ea7n quan tr\u1ecdng trong l\u1edbp b\u1ea3o m\u1eadt to\u00e0n di\u1ec7n c\u1ee7a h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh. S\u1eed d\u1ee5ng c\u1ea3 hai c\u00f9ng nhau gi\u00fap t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt v\u00e0 gi\u1ea3m nguy c\u01a1 b\u1ecb t\u1ea5n c\u00f4ng t\u1eeb m\u1ea1ng b\u00ean ngo\u00e0i v\u00e0 ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i. Tuy nhi\u00ean, trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p t\u01b0\u1eddng l\u1eeda ho\u1eb7c m\u1ed9t s\u1ed1 ph\u1ea7n m\u1ec1m ch\u1ed1ng virus tr\u00ean m\u00e1y \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh \u0111\u1ec3 ch\u1eb7n k\u1ebft n\u1ed1i t\u1edbi c\u1ed5ng ho\u1eb7c \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u00e1y ch\u1ee7 web, c\u0169ng s\u1ebd d\u1eabn \u0111\u1ebfn l\u1ed7i Err_Connection_Refused v\u00e0 Err_Connection_Closed. B\u00e2y gi\u1edd h\u00e3y th\u1eed t\u1eaft ch\u00fang t\u1ea1m th\u1eddi v\u00e0 ki\u1ec3m tra xem.<\/span><\/p>\n

B\u01b0\u1edbc 1:<\/b> M\u1edf menu <\/span>T\u00ecm ki\u1ebfm<\/b>, sau \u0111\u00f3 g\u00f5 t\u1eeb kh\u00f3a <\/span>Control Panel<\/b> v\u00e0 ch\u1ecdn \u1ee9ng d\u1ee5ng <\/span>Control Panel<\/b> t\u1eeb k\u1ebft qu\u1ea3 t\u00ecm ki\u1ebfm.<\/span><\/p>\n

\"khac-phuc-loi-err_connection_closed-9\"<\/p>\n

B\u01b0\u1edbc 2:<\/b> Trong Control Panel, t\u00ecm v\u00e0 ch\u1ecdn m\u1ee5c <\/span>Windows Defender Firewall<\/b>. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ch\u1ebf \u0111\u1ed9 xem <\/span>Category<\/b> ho\u1eb7c <\/span>Large icons<\/b> \u0111\u1ec3 t\u00ecm nhanh h\u01a1n.<\/span><\/p>\n

\"khac-phuc-loi-err_connection_closed-10\"<\/p>\n

B\u01b0\u1edbc 3:<\/b> Trong c\u1eeda s\u1ed5 Windows Defender Firewall, tr\u00ean thanh b\u00ean tr\u00e1i, b\u1ea1n s\u1ebd th\u1ea5y m\u1ed9t danh s\u00e1ch c\u00e1c t\u00f9y ch\u1ecdn. Ch\u1ecdn m\u1ee5c <\/span>Change notification settings<\/b> \u0111\u1ec3 m\u1edf c\u1eeda s\u1ed5 \u0111i\u1ec1u ch\u1ec9nh c\u00e0i \u0111\u1eb7t th\u00f4ng b\u00e1o c\u1ee7a t\u01b0\u1eddng l\u1eeda.<\/span><\/p>\n

\"khac-phuc-loi-err_connection_closed-11\"<\/p>\n

B\u01b0\u1edbc 4:<\/b> Trong c\u1eeda s\u1ed5 m\u1edf ra b\u1ea1n s\u1ebd th\u1ea5y hai ph\u1ea7n c\u1ea5u h\u00ecnh l\u00e0 Private network settings v\u00e0 Public network settings. T\u1eaft Windows Defender Firewall trong ph\u1ea7n <\/span>Public network settings <\/b>b\u1eb1ng c\u00e1ch ch\u1ecdn <\/span>Turn off Windows Defender Firewall<\/b>. sau \u0111\u00f3 k\u1ebft th\u00fac b\u1eb1ng c\u00e1ch nh\u1ea5n <\/span>OK<\/b>.<\/span><\/p>\n

\"khac-phuc-loi-err_connection_closed-12\"<\/p>\n

X\u00f3a b\u1ed9 nh\u1edb cache DNS s\u1eeda l\u1ed7i Err_Connection_Closed<\/b><\/h3>\n

X\u00f3a b\u1ed9 nh\u1edb cache DNS (Domain Name System) c\u00f3 t\u00e1c d\u1ee5ng l\u00e0m s\u1ea1ch v\u00e0 l\u00e0m m\u1edbi th\u00f4ng tin li\u00ean quan \u0111\u1ebfn vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i t\u00ean mi\u1ec1n th\u00e0nh \u0111\u1ecba ch\u1ec9 IP tr\u00ean h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n. \u0110\u00e2y c\u0169ng l\u00e0 m\u1ed9t c\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i Err_Connection_Refused v\u00e0 Err_Connection_Closed hi\u1ec7u qu\u1ea3. \u0110\u1ec3 x\u00f3a b\u1ed9 nh\u1edb cache DNS ta th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc nh\u01b0 sau:<\/span><\/p>\n

B\u01b0\u1edbc 1:<\/b> \u0110\u1ec3 m\u1edf c\u1eeda s\u1ed5 <\/span>Run<\/b> b\u1ea1n ch\u1ecdn t\u1ed5 h\u1ee3p ph\u00edm <\/span>Windows + R<\/b> tr\u00ean b\u00e0n ph\u00edm.<\/span><\/p>\n

B\u01b0\u1edbc 2:<\/b> Trong c\u1eeda s\u1ed5 Run, nh\u1eadp t\u1eeb kh\u00f3a <\/span>cmd<\/b> v\u00e0 nh\u1ea5n <\/span>OK<\/b> \u0111\u1ec3 m\u1edf c\u1eeda s\u1ed5 <\/span>Command Prompt<\/b> hay c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 c\u1eeda s\u1ed5 d\u00f2ng l\u1ec7nh, cho ph\u00e9p b\u1ea1n th\u1ef1c hi\u1ec7n c\u00e1c l\u1ec7nh v\u00e0 t\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng.<\/span><\/p>\n

\"khac-phuc-loi-err_connection_closed-13\"<\/p>\n

B\u01b0\u1edbc 3:<\/b> Trong c\u1eeda s\u1ed5 hi\u1ec7n l\u00ean, nh\u1eadp l\u1ec7nh “ipconfig \/flushdns” v\u00e0 nh\u1ea5n <\/span>Enter<\/b>. L\u1ec7nh n\u00e0y s\u1ebd g\u1ecdi h\u1ec7 th\u1ed1ng \u0111\u1ec3 x\u00f3a b\u1ed9 nh\u1edb cache DNS. Qu\u00e1 tr\u00ecnh n\u00e0y s\u1ebd m\u1ea5t m\u1ed9t v\u00e0i gi\u00e2y \u0111\u1ec3 ho\u00e0n th\u00e0nh.<\/span><\/p>\n

\"khac-phuc-loi-err_connection_closed-14\"<\/p>\n

B\u01b0\u1edbc 4:<\/b> Khi m\u00e1y t\u00ednh ph\u1ea3n h\u1ed3i “Windows IP configuration successfully flushed the DNS Resolver Cache” ho\u1eb7c t\u01b0\u01a1ng t\u1ef1, \u0111i\u1ec1u n\u00e0y cho bi\u1ebft b\u1ea1n \u0111\u00e3 x\u00f3a th\u00e0nh c\u00f4ng b\u1ed9 nh\u1edb cache DNS. Qu\u00e1 tr\u00ecnh x\u00f3a cache DNS \u0111\u00e3 ho\u00e0n t\u1ea5t v\u00e0 th\u00f4ng tin DNS m\u1edbi s\u1ebd \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb ngu\u1ed3n g\u1ed1c khi b\u1ea1n truy c\u1eadp v\u00e0o c\u00e1c trang web ho\u1eb7c t\u00e0i nguy\u00ean m\u1ea1ng kh\u00e1c.<\/span><\/p>\n

Thay \u0111\u1ed5i \u0111\u1ecba ch\u1ec9 DNS<\/b><\/h3>\n

C\u00f3 nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p \u0111\u1ecba ch\u1ec9 DNS tr\u00ean m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n \u0111ang g\u1eb7p v\u1ea5n \u0111\u1ec1 qu\u00e1 t\u1ea3i ho\u1eb7c ngo\u1ea1i tuy\u1ebfn th\u00ec c\u0169ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn l\u1ed7i Err_Connection_Refused v\u00e0 Err_Connection_Closed. DNS l\u00e0 \u0111\u1ecba ch\u1ec9 \u0111\u01b0\u1ee3c t\u1ef1 \u0111\u1ed9ng cung c\u1ea5p, tuy nhi\u00ean khi g\u1eb7p l\u1ed7i n\u00e0y, b\u1ea1n ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 t\u1ef1 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 kh\u1eafc ph\u1ee5c t\u00ecnh tr\u1ea1ng gi\u00e1n \u0111o\u1ea1n. \u0110\u1ec3 thay \u0111\u1ed5i \u0111\u1ecba ch\u1ec9 DNS ta th\u1ef1c hi\u1ec7n theo h\u01b0\u1edbng d\u1eabn sau:<\/span><\/p>\n

B\u01b0\u1edbc 1:<\/b> Ch\u1ecdn nh\u00f3m ph\u00edm <\/span>Windows + R<\/b> tr\u00ean b\u00e0n ph\u00edm \u0111\u1ec3 m\u1edf c\u1eeda s\u1ed5 <\/span>Run<\/b>.<\/span><\/p>\n

B\u01b0\u1edbc 2:<\/b> Trong c\u1eeda s\u1ed5 Run, nh\u1eadp “ncpa.cpl” v\u00e0 nh\u1ea5n <\/span>OK<\/b> \u0111\u1ec3 m\u1edf c\u1eeda s\u1ed5 <\/span>Network Connections<\/b> hi\u1ec3n th\u1ecb danh s\u00e1ch c\u00e1c k\u1ebft n\u1ed1i m\u1ea1ng tr\u00ean m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n.<\/span><\/p>\n

\"khac-phuc-loi-err_connection_closed-15\"<\/p>\n

B\u01b0\u1edbc 3:<\/b> Chu\u1ed9t ph\u1ea3i v\u00e0o m\u1ee5c k\u1ebft n\u1ed1i Wi-Fi c\u1ee7a b\u1ea1n v\u00e0 ch\u1ecdn <\/span>Properties<\/b> \u0111\u1ec3 m\u1edf c\u1eeda s\u1ed5 <\/span>Wi-Fi Properties<\/b> hi\u1ec3n th\u1ecb c\u00e1c t\u00f9y ch\u1ecdn v\u00e0 c\u1ea5u h\u00ecnh li\u00ean quan \u0111\u1ebfn k\u1ebft n\u1ed1i Wi-Fi.<\/span><\/p>\n

\"khac-phuc-loi-err_connection_closed-16\"<\/p>\n

B\u01b0\u1edbc 4:<\/b> Trong c\u1eeda s\u1ed5 m\u1edf ra, ch\u1ecdn ph\u1ea7n <\/span>Internet Protocol Version 4 (TCP\/IPv4)<\/b> v\u00e0 sau \u0111\u00f3 nh\u1ea5n v\u00e0o n\u00fat <\/span>Properties<\/b> ti\u1ebfp t\u1ee5c m\u1edf c\u1eeda s\u1ed5 <\/span>Internet Protocol Version 4 (TCP\/IPv4) Properties<\/b> cho ph\u00e9p b\u1ea1n ch\u1ec9nh s\u1eeda c\u1ea5u h\u00ecnh \u0111\u1ecba ch\u1ec9 IP v\u00e0 DNS.<\/span><\/p>\n

\"khac-phuc-loi-err_connection_closed-17\"<\/p>\n

B\u01b0\u1edbc 5:<\/b> Trong c\u1eeda s\u1ed5 hi\u1ec7n ra, ch\u1ecdn <\/span>Use the following DNS server addresses<\/b> \u0111\u1ec3 t\u00f9y ch\u1ec9nh \u0111\u1ecba ch\u1ec9 DNS. Sau \u0111\u00f3, nh\u1eadp \u0111\u1ecba ch\u1ec9 DNS m\u1edbi v\u00e0o c\u00e1c \u00f4 t\u01b0\u01a1ng \u1ee9ng. B\u1ea1n c\u00f3 th\u1ec3 t\u00ecm \u0111\u1ecba ch\u1ec9 DNS ph\u00f9 h\u1ee3p t\u1eeb nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 internet c\u1ee7a b\u1ea1n ho\u1eb7c t\u1eeb c\u00e1c d\u1ecbch v\u1ee5 DNS c\u00f4ng c\u1ed9ng nh\u01b0 Google DNS (8.8.8.8 v\u00e0 8.8.4.4) ho\u1eb7c Cloudflare DNS (1.1.1.1 v\u00e0 1.0.0.1). Sau khi b\u1ea1n \u0111\u00e3 nh\u1eadp \u0111\u1ecba ch\u1ec9 DNS m\u1edbi, nh\u1ea5n OK \u0111\u1ec3 l\u01b0u c\u1ea5u h\u00ecnh.<\/span><\/p>\n

\"khac-phuc-loi-err_connection_closed-18\"<\/p>\n

T\u1eaft m\u1ecdi ti\u1ec7n \u00edch m\u1edf r\u1ed9ng Chrome \u0111\u00e3 l\u1ed7i th\u1eddi<\/b><\/h3>\n

C\u00e1c ti\u1ec7n \u00edch m\u1edf r\u1ed9ng tr\u00ean Chrome \u0111\u00e3 l\u1ed7i th\u1eddi n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt \u0111\u00f4i khi s\u1ebd c\u1ea3n tr\u1edf vi\u1ec7c b\u1ea1n truy c\u1eadp m\u1ed9t s\u1ed1 tr\u00ecnh duy\u1ec7t, trong \u0111\u00f3 c\u0169ng s\u1ebd c\u00f3 l\u1ed7i Err_Connection_Refused v\u00e0 Err_Connection_Closed. Do \u0111\u00f3, vi\u1ec7c x\u00f3a c\u00e1c ti\u1ec7n \u00edch kh\u00f4ng d\u00f9ng \u0111\u1ebfn ho\u1eb7c x\u00f3a ti\u1ec7n \u00edch c\u0169 c\u0169ng l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p \u0111\u1ec3 kh\u1eafc ph\u1ee5c l\u1ed7i n\u00e0y.<\/span><\/p>\n

B\u01b0\u1edbc 1:<\/b> Ch\u1ecdn bi\u1ec3u t\u01b0\u1ee3ng ba ch\u1ea5m \u1edf g\u00f3c tr\u00ean c\u00f9ng b\u00ean ph\u1ea3i c\u1ee7a tr\u00ecnh duy\u1ec7t Chrome. Sau \u0111\u00f3, di chu\u1ed9t xu\u1ed1ng v\u00e0 nh\u1ea5n <\/span>C\u00f4ng c\u1ee5 kh\u00e1c<\/b>, sau \u0111\u00f3 nh\u1ea5n <\/span>Ti\u1ec7n \u00edch m\u1edf r\u1ed9ng<\/b>. \u0110i\u1ec1u n\u00e0y s\u1ebd m\u1edf trang qu\u1ea3n l\u00fd ti\u1ec7n \u00edch m\u1edf r\u1ed9ng trong tr\u00ecnh duy\u1ec7t.<\/span><\/p>\n

\"khac-phuc-loi-err_connection_closed-19\"<\/p>\n

B\u01b0\u1edbc 2:<\/b> Tr\u00ean trang qu\u1ea3n l\u00fd ti\u1ec7n \u00edch m\u1edf r\u1ed9ng, b\u1ea1n s\u1ebd th\u1ea5y danh s\u00e1ch c\u00e1c ti\u1ec7n \u00edch m\u1edf r\u1ed9ng \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t tr\u00ean tr\u00ecnh duy\u1ec7t. \u0110\u1ed1i v\u1edbi m\u1ed7i ti\u1ec7n \u00edch, b\u1ea1n c\u00f3 hai t\u00f9y ch\u1ecdn:<\/span><\/p>\n

a) \u0110\u1ec3 t\u1eaft t\u1ea1m th\u1eddi ti\u1ec7n \u00edch m\u1edf r\u1ed9ng, b\u1ea1n c\u00f3 th\u1ec3 nh\u1ea5p v\u00e0o n\u00fat <\/span>T\u1eaft<\/b> (Disable) t\u01b0\u01a1ng \u1ee9ng v\u1edbi ti\u1ec7n \u00edch \u0111\u00f3. Thao t\u00e1c n\u00e0y s\u1ebd v\u00f4 hi\u1ec7u h\u00f3a ti\u1ec7n \u00edch m\u1edf r\u1ed9ng v\u00e0 ng\u0103n n\u00f3 ho\u1ea1t \u0111\u1ed9ng trong tr\u00ecnh duy\u1ec7t. B\u1ea1n c\u00f3 th\u1ec3 quay l\u1ea1i trang qu\u1ea3n l\u00fd ti\u1ec7n \u00edch m\u1edf r\u1ed9ng v\u00e0 b\u1eadt l\u1ea1i ti\u1ec7n \u00edch b\u1ea5t c\u1ee9 l\u00fac n\u00e0o.<\/span><\/p>\n

b) \u0110\u1ec3 x\u00f3a ho\u00e0n to\u00e0n ti\u1ec7n \u00edch m\u1edf r\u1ed9ng, b\u1ea1n c\u00f3 th\u1ec3 nh\u1ea5p v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng th\u00f9ng r\u00e1c (Remove) t\u01b0\u01a1ng \u1ee9ng v\u1edbi ti\u1ec7n \u00edch \u0111\u00f3. Tr\u00ecnh duy\u1ec7t Chrome s\u1ebd y\u00eau c\u1ea7u x\u00e1c nh\u1eadn x\u00f3a ti\u1ec7n \u00edch. B\u1ea1n c\u00f3 th\u1ec3 nh\u1ea5p v\u00e0o <\/span>X\u00f3a<\/b> \u0111\u1ec3 x\u00e1c nh\u1eadn x\u00f3a ti\u1ec7n \u00edch ho\u1eb7c h\u1ee7y b\u1ecf thao t\u00e1c n\u1ebfu kh\u00f4ng mu\u1ed1n x\u00f3a.<\/span><\/p>\n

\"khac-phuc-loi-err_connection_closed-20\"<\/p>\n

T\u1ea1m k\u1ebft<\/b><\/h2>\n

Tr\u00ean \u0111\u00e2y l\u00e0 to\u00e0n b\u1ed9 nh\u1eefng c\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i Err_Connection_Closed\u00a0 v\u00e0 l\u1ed7i Err_Connection_Refused hi\u1ec7u qu\u1ea3, \u0111\u01a1n gi\u1ea3n v\u00e0 d\u1ec5 th\u1ef1c hi\u1ec7n m\u00e0<\/span> Ho\u00e0ng H\u00e0 Mobile<\/span> \u0111\u00e3 t\u1ed5ng h\u1ee3p \u0111\u01b0\u1ee3c. N\u1ebfu c\u00f3 th\u00eam th\u1eafc m\u1eafc v\u1ec1 nh\u1eefng h\u01b0\u1edbng d\u1eabn b\u00ean tr\u00ean ho\u1eb7c c\u00f3 y\u00eau c\u1ea7u n\u1ed9i dung h\u01b0\u1edbng d\u1eabn c\u00e1ch s\u1eeda c\u00e1c l\u1ed7i li\u00ean quan, h\u00e3y \u0111\u1ec3 l\u1ea1i b\u00ecnh lu\u1eadn, ch\u00fang t\u00f4i s\u1ebd g\u1eedi \u0111\u1ebfn b\u1ea1n \u0111\u1ecdc n\u1ed9i dung h\u1eefu \u00edch s\u1edbm nh\u1ea5t c\u00f3 th\u1ec3.<\/span><\/p>\n

XEM TH\u00caM:<\/span><\/p>\n