{"id":61098,"date":"2022-07-15T11:11:01","date_gmt":"2022-07-15T04:11:01","guid":{"rendered":"https:\/\/ben.com.vn\/tin-tuc\/?p=61098"},"modified":"2022-07-15T11:11:01","modified_gmt":"2022-07-15T04:11:01","slug":"9-dieu-lam-cham-wifi-nha-ban","status":"publish","type":"post","link":"https:\/\/ben.com.vn\/tin-tuc\/9-dieu-lam-cham-wifi-nha-ban\/","title":{"rendered":"8 \u0111i\u1ec1u l\u00e0m ch\u1eadm wifi nh\u00e0 b\u1ea1n"},"content":{"rendered":"

B\u1ea1n c\u1ea3m th\u1ea5y m\u1ea1ng wifi<\/a> nh\u00e0 m\u00ecnh \u0111ang b\u1ecb ch\u1eadm, ch\u1eadp ch\u1eddn, h\u00e3y ki\u1ec3m tra nh\u1eefng \u0111i\u1ec1u n\u00e0y n\u00f3 c\u00f3 th\u1ec3 l\u00e0 nguy\u00ean nh\u00e2n l\u00e0m ch\u1eadm m\u1ea1ng wifi.<\/p>\n

1. Qu\u00e1 nhi\u1ec1u thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i t\u1edbi c\u00f9ng modem wifi<\/strong><\/h2>\n

\"Nhi\u1ec1u<\/p>\n

Ng\u00f4i nh\u00e0 c\u1ee7a ch\u00fang ta ng\u00e0y c\u00e0ng tr\u00e0n ng\u1eadp c\u00e1c thi\u1ebft b\u1ecb th\u00f4ng minh k\u1ebft n\u1ed1i t\u1edbi wifi, m\u1ed7i thi\u1ebft b\u1ecb \u0111\u1ec1u n\u1eb1m tr\u00ean m\u1ea1ng wifi v\u1edbi \u0111\u1ecba ch\u1ec9 IP ri\u00eang.<\/p>\n

Th\u00f4ng th\u01b0\u1eddng m\u1ed7i 1 modem wifi nh\u00e0 m\u1ea1ng c\u1ea5p cho kh\u00e1ch h\u00e0ng s\u1eed d\u1ee5ng th\u01b0\u1eddng t\u1ed1i \u0111a 5-7 thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 truy c\u1eadp c\u00f9ng 1 l\u00fac (t\u00f9y g\u00f3i c\u01b0\u1edbc cao hay th\u1ea5p). H\u1ea7u h\u1ebft c\u00e1c b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn gia \u0111\u00ecnh ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 x\u1ee7 l\u00fd nhi\u1ec1u thi\u1ebft b\u1ecb wifi \u0111\u00e3 \u0111\u0103ng k\u00fd c\u00f9ng m\u1ed9t l\u00fac. Khi s\u1eed d\u1ee5ng qu\u00e1 nhi\u1ec1u thi\u1ebft b\u1ecb c\u00f9ng trong modem wifi s\u1ebd s\u1ea3y ra t\u00ecnh tr\u1ea1ng b\u1ecb xung \u0111\u1ecba ch\u1ec9 ip khi \u0111\u00f3 s\u1ebd c\u00f3 t\u00ecnh tr\u1ea1ng wifi r\u1ea5t k\u00e9m v\u00e0 ch\u1eadm kh\u00f4ng th\u1ec3 truy c\u1eadp v\u00e0o m\u1ea1ng \u0111\u01b0\u1ee3c<\/p>\n

Gi\u1ea3i ph\u00e1p: <\/strong><\/em>H\u00e3y xem x\u00e9t b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn c\u1ee7a b\u1ea1n c\u0169 nh\u01b0 th\u1ebf n\u00e0o, l\u1eafp th\u00eam n\u1ed9 ph\u00e1t wifi v\u00e0 n\u1ebfu b\u1ea1n c\u00f3 \u0111\u1ee7 kh\u1ea3 n\u0103ng, h\u00e3y n\u00e2ng c\u1ea5p l\u00ean m\u1ed9t m\u1eabu m\u1edbi h\u01a1n, t\u1ed1t nh\u1ea5t cho Wi-Fi c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng dung l\u01b0\u1ee3ng cao, m\u1eb7c d\u00f9 n\u00f3 \u0111\u1eaft ti\u1ec1n.\u00a0B\u1ea1n c\u0169ng s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c ph\u1ea1m vi ph\u1ee7 s\u00f3ng t\u1ed1t h\u01a1n b\u1eb1ng c\u00e1ch th\u00eam c\u00e1c \u0111i\u1ec3m truy c\u1eadp b\u1ea5t c\u1ee9 khi n\u00e0o c\u1ea7n thi\u1ebft.<\/p>\n

2. Ph\u1ea1m vi m\u1ea1ng kh\u00f4ng d\u00e2y<\/strong><\/h2>\n

\"Ph\u1ea1m<\/p>\n

N\u01a1i b\u1ea1n \u0111\u1eb7t b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn Wi-Fi l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 Wi-Fi gia \u0111\u00ecnh c\u1ee7a b\u1ea1n.<\/p>\n

B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn Wi-Fi truy\u1ec1n c\u1ea3 t\u00edn hi\u1ec7u 2,4Ghz<\/strong> (th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 b \/ g \/ n<\/strong>) v\u00e0 5Ghz (ac)<\/strong>. M\u1ea1ng 5GHz<\/strong> nhanh h\u01a1n, v\u1eady t\u1ea1i sao b\u1ea1n kh\u00f4ng t\u1eaft m\u1ea1ng 2,4GHz? B\u1edfi v\u00ec t\u00edn hi\u1ec7u 2.4GHz c\u00f3 kh\u1ea3 n\u0103ng th\u00e2m nh\u1eadp t\u1ed1t h\u01a1n: n\u00f3 c\u00f3 th\u1ec3 xuy\u00ean qua t\u01b0\u1eddng v\u00e0 c\u00e1c v\u1eadt th\u1ec3 r\u1eafn kh\u00e1c d\u1ec5 d\u00e0ng h\u01a1n v\u00e0 truy\u1ec1n \u0111i xa h\u01a1n. S\u00e0n ho\u1eb7c t\u01b0\u1eddng b\u00ea t\u00f4ng d\u00e0y s\u1ebd ng\u0103n ho\u00e0n to\u00e0n m\u1ea1ng 5Ghz.<\/p>\n

Kh\u00f4ng c\u1ea7n ph\u1ea3i lo l\u1eafng v\u1ec1 s\u1ef1 kh\u00e1c bi\u1ec7t k\u1ef9 thu\u1eadt ch\u00ednh x\u00e1c, nh\u01b0ng b\u1ea1n n\u00ean hi\u1ec3u r\u1eb1ng t\u1ed1c \u0111\u1ed9 kh\u00f4ng d\u00e2y b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi c\u00e1c v\u1eadt th\u1ec3 r\u1eafn, v\u00ec v\u1eady c\u00e0ng nhi\u1ec1u th\u1ee9 gi\u1eefa thi\u1ebft b\u1ecb v\u00e0 b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn c\u1ee7a b\u1ea1n, m\u1ea1ng wifi c\u00e0ng ho\u1ea1t \u0111\u1ed9ng k\u00e9m h\u01a1n.<\/p>\n

Gi\u1ea3i ph\u00e1p:<\/strong><\/em> B\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ecbnh v\u1ecb l\u1ea1i b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn \u0111\u1ec3 c\u00f3 \u0111\u1ed9 ph\u1ee7 s\u00f3ng t\u1ed1t nh\u1ea5t. \u0110\u00f4i khi, kh\u00f4ng th\u1ec3 di chuy\u1ec3n b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn do v\u1ecb tr\u00ed c\u1ee7a k\u1ebft n\u1ed1i c\u00e1p quang. Trong tr\u01b0\u1eddng h\u1ee3p \u0111\u00f3, h\u00e3y c\u00e2n nh\u1eafc ch\u1ea1y c\u00e1p Ethernet \u0111\u1ebfn n\u01a1i kh\u00e1c trong nh\u00e0, sau \u0111\u00f3 s\u1eed d\u1ee5ng m\u1ed9t b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn b\u1ed5 sung ch\u1ec9 d\u00e0nh cho Wi-Fi. Ho\u1eb7c b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb m\u1edf r\u1ed9ng s\u00f3ng wifi<\/a><\/p>\n

3. Qu\u00e1 nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng<\/strong><\/h2>\n

\"Qu\u00e1<\/p>\n

K\u1ebft n\u1ed1i internet c\u1ee7a b\u1ea1n ch\u1ec9 qu\u00e1 nhanh v\u00e0 t\u1ed1c \u0111\u1ed9 \u0111\u00f3 \u0111\u01b0\u1ee3c chia s\u1ebb v\u1edbi m\u1ecdi ng\u01b0\u1eddi d\u00f9ng kh\u00e1c trong nh\u00e0 v\u00e0 t\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb c\u1ee7a h\u1ecd. V\u00ec v\u1eady, c\u0169ng nh\u01b0 nh\u1eefng th\u1ee9 nh\u01b0 m\u00e1y t\u00ednh, \u0111i\u1ec7n tho\u1ea1i v\u00e0 m\u00e1y t\u00ednh b\u1ea3ng, b\u1ea1n c\u0169ng s\u1ebd t\u00ecm th\u1ea5y TV th\u00f4ng minh, b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n tr\u00f2 ch\u01a1i, g\u1eady ph\u00e1t tr\u1ef1c tuy\u1ebfn \u0111a ph\u01b0\u01a1ng ti\u1ec7n, trung t\u00e2m nh\u00e0 th\u00f4ng minh \u2013 t\u1ea5t c\u1ea3 \u0111\u1ec1u c\u00f3 th\u1ec3 g\u1eedi ho\u1eb7c nh\u1eadn th\u00f4ng tin t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m c\u1ee5 th\u1ec3.<\/p>\n

B\u1ea1n c\u00f3 th\u1ec3 \u0111ang l\u01b0\u1edbt web tr\u00ean m\u00e1y t\u00ednh b\u1ea3ng c\u1ee7a m\u00ecnh trong khi Windows \u0111ang t\u1ef1 c\u1eadp nh\u1eadt v\u00e0 h\u1ed9p gi\u1ea3i m\u00e3 t\u00edn hi\u1ec7u \u0111ang ph\u00e1t tr\u1ef1c tuy\u1ebfn phim theo y\u00eau c\u1ea7u. T\u1ea5t c\u1ea3 c\u00e1c ho\u1ea1t \u0111\u1ed9ng n\u00e0y ti\u00eau t\u1ed1n m\u1ed9t \u00edt trong t\u1ed5ng s\u1ed1 b\u0103ng th\u00f4ng kh\u1ea3 d\u1ee5ng c\u1ee7a b\u1ea1n. V\u00e0 kh\u00f4ng ch\u1ec9 khi b\u1ea1n \u0111ang t\u00edch c\u1ef1c s\u1eed d\u1ee5ng ch\u00fang: c\u00e1c b\u1ea3n c\u1eadp nh\u1eadt t\u1ef1 \u0111\u1ed9ng th\u01b0\u1eddng x\u1ea3y ra m\u00e0 b\u1ea1n kh\u00f4ng h\u1ec1 hay bi\u1ebft.<\/p>\n

4. C\u00e1p m\u1ea1ng c\u0169<\/strong><\/h2>\n

\"C\u00e1p<\/p>\n

N\u1ebfu m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c c\u1eafm tr\u1ef1c ti\u1ebfp v\u00e0o b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn ho\u1eb7c n\u1ebfu b\u1ea1n c\u00f3 c\u1ea3 h\u1ec7 th\u1ed1ng c\u00e1p Ethernet trong nh\u00e0, b\u1ea1n n\u00ean ki\u1ec3m tra lo\u1ea1i c\u00e1p.<\/p>\n

M\u1eb7c d\u00f9 h\u1ec7 th\u1ed1ng c\u00e1p \u0111i\u1ec7n c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i trong 50 n\u0103m ho\u1eb7c h\u01a1n, nh\u01b0ng h\u1ec7 th\u1ed1ng c\u00e1p m\u1ea1ng \u0111\u00e3 tr\u1ea3i qua m\u1ed9t s\u1ed1 n\u00e2ng c\u1ea5p quan tr\u1ecdng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 m\u00e0 n\u00f3 c\u00f3 th\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u<\/p>\n

C\u00e1ch d\u1ec5 nh\u1ea5t \u0111\u1ec3 ki\u1ec3m tra l\u00e0 nh\u00ecn v\u00e0o d\u00e2y c\u00e1p. B\u1ea1n s\u1ebd th\u1ea5y th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt s\u1ed1 Cat<\/strong> \u1edf \u0111\u00e2u \u0111\u00f3:<\/p>\n

    \n
  • Cat-5<\/strong> l\u00e0 c\u00e1p m\u1ea1ng ch\u1eadm nh\u1ea5t v\u00e0 l\u00e2u \u0111\u1eddi nh\u1ea5t v\u1eabn c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. Hi\u1ec7u su\u1ea5t \u0111\u01b0\u1ee3c gi\u1edbi h\u1ea1n \u1edf 100 Mbps<\/strong>.<\/li>\n
  • Cat-5e<\/strong> l\u00e0 lo\u1ea1i c\u00e1p m\u1ea1ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay; n\u00f3 h\u1ed7 tr\u1ee3 Gigabit Ethernet (1.000 Mbps).<\/strong><\/li>\n
  • Cat-6 \/ 6a<\/strong> l\u00e0 lo\u1ea1i c\u00e1p m\u1ea1ng nhanh nh\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn v\u00e0 h\u1ed7 tr\u1ee3 l\u00ean \u0111\u1ebfn 10 Gigabit (10.000 Mbs)<\/strong>.<\/li>\n<\/ul>\n

    N\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng c\u00e1p Cat-5<\/strong> cho m\u00e1y t\u00ednh ho\u1eb7c \u0111\u01b0\u1eddng tr\u1ee5c c\u1ee7a m\u1ea1ng, c\u00e1p Ethernet c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 l\u00e0m ch\u1eadm Wi-Fi. C\u00e1p m\u1ea1ng c\u0169ng c\u00f3 th\u1ec3 kh\u00e1 m\u1ecfng manh. S\u1eed d\u1ee5ng m\u00e1y ki\u1ec3m tra c\u00e1p \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u1ed7i trong s\u1ed1 8 d\u00e2y b\u00ean trong c\u00e1p v\u1eabn \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi \u0111\u1ea7u kia.<\/p>\n

    Gi\u1ea3i ph\u00e1p:<\/strong><\/em> Thay th\u1ebf b\u1ea5t k\u1ef3 c\u00e1p x\u1ebfp h\u1ea1ng Cat-5<\/strong> ho\u1eb7c b\u1ecb h\u1ecfng n\u00e0o b\u1ea1n t\u00ecm th\u1ea5y b\u1eb1ng c\u00e1p x\u1ebfp h\u1ea1ng Cat-5e ho\u1eb7c Cat-6. Kh\u00f4ng c\u1ea7n n\u00e2ng c\u1ea5p l\u00ean c\u00e1p Cat-7 ho\u1eb7c Cat-8;<\/p>\n

    5. B\u1ea1n \u0111ang s\u1eed d\u1ee5ng Powerline ho\u1eb7c wifi extender<\/strong><\/h2>\n

    B\u1ed9 m\u1edf r\u1ed9ng wifi: m\u1ed9t h\u1ed9p nh\u1ecf c\u1eafm v\u00e0o \u1ed5 c\u1eafm \u0111i\u1ec7n c\u1ee7a b\u1ea1n v\u00e0 l\u1eb7p l\u1ea1i t\u00edn hi\u1ec7u Wi-Fi \u0111\u1ebfn m\u1ed9t n\u01a1i kh\u00e1c trong nh\u00e0. \u00a0M\u1ed9t s\u1ed1 gia \u0111\u00ecnh s\u1eed d\u1ee5ng b\u1ed9 \u0111i\u1ec1u h\u1ee3p “Powerline” cho ph\u00e9p b\u1ea1n g\u1eedi t\u00edn hi\u1ec7u m\u1ea1ng qua c\u00e1p \u0111i\u1ec7n gia \u0111\u00ecnh. Nhi\u1ec1u khi n\u00f3 s\u1ebd kh\u00f4ng c\u00f2n l\u00e0 gi\u1ea3i ph\u00e1p h\u1eefu hi\u1ec7u \u0111\u1ec3 m\u1edf r\u1ed9ng v\u00f9ng ph\u1ee7 s\u00f3ng wifi n\u1eefa, b\u1ecb nhi\u1ec5u s\u00f3ng.<\/p>\n

    Gi\u1ea3i ph\u00e1p: <\/strong><\/em>N\u1ebfu b\u1ea1n c\u00f3 m\u1ed9t ng\u00f4i nh\u00e0 l\u1edbn v\u00e0 Wi-Fi c\u1ee7a b\u1ea1n kh\u00f4ng th\u1ec3 \u0111\u1ebfn \u0111\u01b0\u1ee3c m\u1ecdi n\u01a1i, h\u00e3y xem x\u00e9t h\u1ec7 th\u1ed1ng Wi-Fi l\u01b0\u1edbi ho\u1eb7c h\u1ec7 th\u1ed1ng UniFi cho ph\u00e9p b\u1ea1n th\u00eam c\u00e1c \u0111i\u1ec3m truy c\u1eadp n\u1ebfu c\u1ea7n.<\/p>\n

    6. K\u00eanh wifi b\u1ecb t\u1eafc ngh\u1ebdn<\/strong><\/h2>\n

    \u0110\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi \u1edf khu v\u1ef1c th\u00e0nh th\u1ecb, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c khu chung c\u01b0, b\u1ea1n c\u00f3 th\u1ec3 b\u1ecb bao quanh b\u1edfi h\u00e0ng tr\u0103m m\u1ea1ng Wi-Fi.\u00a0<\/span>Th\u1eadt kh\u00f4ng may, t\u1ea5t c\u1ea3 ch\u00fang \u0111\u1ec1u chi\u1ebfm m\u1ed9t \u00edt b\u0103ng th\u00f4ng t\u1ea7n s\u1ed1 kh\u1ea3 d\u1ee5ng.<\/span><\/p>\n

    Gi\u1ea3i ph\u00e1p: <\/strong><\/em>B\u1ea1n c\u00f3 th\u1ec3 th\u1eed thay \u0111\u1ed5i s\u1ed1 k\u00eanh<\/strong> m\u00e0 b\u1ea1n \u0111\u00e3 ph\u00e1t, nh\u01b0ng d\u00f9 sao th\u00ec c\u00e1c b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn hi\u1ec7n \u0111\u1ea1i c\u0169ng \u0111\u1ee7 th\u00f4ng minh \u0111\u1ec3 ch\u1ecdn k\u00eanh t\u1ed1t nh\u1ea5t. Do \u0111\u00f3, l\u1ef1a ch\u1ecdn duy nh\u1ea5t c\u1ee7a b\u1ea1n l\u00e0 gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng WiFi \u0111\u1ec3 cho ph\u00e9p s\u1eed d\u1ee5ng t\u1ed1t h\u01a1n l\u01b0\u1ee3ng b\u0103ng th\u00f4ng \u00edt \u1ecfi m\u00e0 b\u1ea1n c\u00f3. N\u1ebfu m\u1ed9t thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1eafm qua Ethernet, n\u00f3 n\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. \u0110\u1ec3 l\u1ea1i WiFi cho c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh v\u00e0 m\u00e1y t\u00ednh b\u1ea3ng m\u00e0 b\u1ea1n kh\u00f4ng c\u00f3 t\u00f9y ch\u1ecdn.<\/p>\n

    7. M\u00e1y ch\u1ee7 DNS c\u1ee7a ISP b\u1ecb ch\u1eadm<\/strong><\/h2>\n

    Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c m\u00e1y ch\u1ee7 DNS<\/strong> \u0111\u1ec1u \u0111\u01b0\u1ee3c t\u1ea1o ra nh\u01b0 nhau, nh\u01b0ng \u0111\u00e2y l\u00e0 nh\u1eefng \u0111i\u1ec1u c\u01a1 b\u1ea3n \u0111\u1ed1i v\u1edbi k\u1ebft n\u1ed1i internet c\u1ee7a b\u1ea1n. DNS \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng m\u1ed7i khi b\u1ea1n nh\u1eadp \u0111\u1ecba ch\u1ec9 web v\u00e0o tr\u00ecnh duy\u1ec7t c\u1ee7a m\u00ecnh: n\u00f3 gi\u1ed1ng nh\u01b0 m\u1ed9t danh b\u1ea1 d\u1ecbch gi\u1eefa mi\u1ec1n web c\u00f3 th\u1ec3 \u0111\u1ecdc \u0111\u01b0\u1ee3c c\u1ee7a con ng\u01b0\u1eddi v\u00e0 IP th\u1ef1c c\u1ee7a m\u00e1y ch\u1ee7 m\u00e0 n\u00f3 n\u1eb1m tr\u00ean \u0111\u00f3. Theo m\u1eb7c \u0111\u1ecbnh, b\u1ea1n \u0111ang s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 DNS do ISP c\u1ee7a b\u1ea1n cung c\u1ea5p, nh\u01b0ng n\u00f3 th\u01b0\u1eddng ch\u1eadm v\u00e0 kh\u00f4ng \u0111\u00e1ng tin c\u1eady. N\u1ebfu b\u1ea1n th\u1ea5y m\u1ea5t nhi\u1ec1u th\u1eddi gian gi\u1eefa vi\u1ec7c nh\u1eadp \u0111\u1ecba ch\u1ec9 web v\u00e0 xem c\u00e1c ph\u1ea7n t\u1eed \u0111\u1ea7u ti\u00ean c\u1ee7a trang t\u1ea3i, \u0111\u00f3 c\u00f3 th\u1ec3 l\u00e0 m\u00e1y ch\u1ee7 DNS ch\u1eadm ho\u1eb7c b\u1ecb l\u1ed7i.<\/p>\n

    Gi\u1ea3i ph\u00e1p:<\/strong><\/em> B\u1ea1n c\u00f3 th\u1ec3 thay \u0111\u1ed5i m\u00e1y ch\u1ee7 DNS<\/strong> c\u1ee7a m\u00ecnh th\u00e0nh m\u1ed9t th\u1ee9 g\u00ec \u0111\u00f3 nhanh h\u01a1n r\u1ea5t nhi\u1ec1u v\u00e0 n\u00f3 c\u0169ng t\u1ed1t h\u01a1n cho quy\u1ec1n ri\u00eang t\u01b0 c\u1ee7a b\u1ea1n. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n t\u0103ng t\u1ed1c \u0111\u1ed9 wifi kh\u00f4ng qu\u00e1 l\u1edbn nh\u01b0ng d\u1ec5 d\u00e0ng cho t\u1ea5t c\u1ea3 c\u00e1c ho\u1ea1t \u0111\u1ed9ng duy\u1ec7t web c\u1ee7a b\u1ea1n.<\/p>\n

    8. B\u1ea1n \u0111ang s\u1eed d\u1ee5ng c\u1ed5ng USB 3.0 l\u1ed7i<\/strong><\/h2>\n

    \"C\u1ed5ng<\/p>\n

    Chu\u1ea9n USB 3.0<\/strong> mang l\u1ea1i t\u1ed1c \u0111\u1ed9 \u0111\u00e1ng kinh ng\u1ea1c, nh\u01b0ng phi\u00ean b\u1ea3n \u0111\u1ea7u ti\u00ean c\u00f3 nhi\u1ec1u l\u1ed7i. Sau \u0111\u00f3, ng\u01b0\u1eddi ta ph\u00e1t hi\u1ec7n ra r\u1eb1ng khi m\u1ed9t s\u1ed1 c\u00e1p ho\u1eb7c thi\u1ebft b\u1ecb USB nh\u1ea5t \u0111\u1ecbnh \u0111\u01b0\u1ee3c c\u1eafm v\u00e0o c\u1ed5ng USB 3.0 c\u0169 h\u01a1n, n\u00f3 s\u1ebd t\u1ea1o ra nhi\u1ec5u tr\u00ean ph\u1ed5 2.4Ghz<\/strong> . \u0110\u00f3 l\u00e0 c\u00f9ng m\u1ed9t t\u1ea7n s\u1ed1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1edfi nhi\u1ec1u thi\u1ebft b\u1ecb ngo\u1ea1i vi kh\u00f4ng d\u00e2y v\u00e0 WiFi.<\/p>\n

    Gi\u1ea3i ph\u00e1p:<\/strong><\/em> R\u00fat ph\u00edch c\u1eafm c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb v\u00e0 c\u00e1p USB 3.0 (c\u00e1c c\u1ed5ng th\u01b0\u1eddng c\u00f3 m\u00e0u xanh lam) \u0111\u1ec3 ki\u1ec3m tra xem ch\u00fang c\u00f3 g\u00e2y nhi\u1ec5u hay kh\u00f4ng. Nhi\u1ec1u thi\u1ebft b\u1ecb b\u0103ng th\u00f4ng th\u1ea5p nh\u01b0 chu\u1ed9t ho\u1eb7c b\u00e0n ph\u00edm kh\u00f4ng d\u00e2y c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong c\u1ed5ng USB 2.0 c\u0169 h\u01a1n (c\u1ed5ng m\u00e0u \u0111en).<\/p>\n","protected":false},"excerpt":{"rendered":"

    B\u1ea1n c\u1ea3m th\u1ea5y m\u1ea1ng wifi nh\u00e0 m\u00ecnh \u0111ang b\u1ecb ch\u1eadm, ch\u1eadp ch\u1eddn, h\u00e3y ki\u1ec3m tra nh\u1eefng \u0111i\u1ec1u n\u00e0y n\u00f3 c\u00f3 th\u1ec3 l\u00e0 nguy\u00ean nh\u00e2n l\u00e0m ch\u1eadm m\u1ea1ng wifi. 1. Qu\u00e1 nhi\u1ec1u thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i t\u1edbi c\u00f9ng modem wifi Ng\u00f4i nh\u00e0 c\u1ee7a ch\u00fang ta ng\u00e0y c\u00e0ng tr\u00e0n ng\u1eadp c\u00e1c thi\u1ebft b\u1ecb th\u00f4ng minh k\u1ebft n\u1ed1i […]<\/p>\n","protected":false},"author":35,"featured_media":61099,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[5,9,10],"tags":[],"class_list":["post-61098","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cam-nang-cong-nghe","category-thu-thuat-may-tinh","category-thu-thuat-phan-mem"],"_links":{"self":[{"href":"https:\/\/ben.com.vn\/tin-tuc\/wp-json\/wp\/v2\/posts\/61098","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ben.com.vn\/tin-tuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ben.com.vn\/tin-tuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ben.com.vn\/tin-tuc\/wp-json\/wp\/v2\/users\/35"}],"replies":[{"embeddable":true,"href":"https:\/\/ben.com.vn\/tin-tuc\/wp-json\/wp\/v2\/comments?post=61098"}],"version-history":[{"count":1,"href":"https:\/\/ben.com.vn\/tin-tuc\/wp-json\/wp\/v2\/posts\/61098\/revisions"}],"predecessor-version":[{"id":61104,"href":"https:\/\/ben.com.vn\/tin-tuc\/wp-json\/wp\/v2\/posts\/61098\/revisions\/61104"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ben.com.vn\/tin-tuc\/wp-json\/wp\/v2\/media\/61099"}],"wp:attachment":[{"href":"https:\/\/ben.com.vn\/tin-tuc\/wp-json\/wp\/v2\/media?parent=61098"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ben.com.vn\/tin-tuc\/wp-json\/wp\/v2\/categories?post=61098"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ben.com.vn\/tin-tuc\/wp-json\/wp\/v2\/tags?post=61098"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}