{"id":15847,"date":"2026-10-02T10:06:52","date_gmt":"2026-10-02T10:06:52","guid":{"rendered":"https:\/\/backcom.io\/?p=15847"},"modified":"2026-10-02T10:08:05","modified_gmt":"2026-10-02T10:08:05","slug":"vao-cac-san-bang-1-1-1-1","status":"publish","type":"post","link":"https:\/\/backcom.io\/vi\/vao-cac-san-bang-1-1-1-1","title":{"rendered":"H\u01b0\u1edbng D\u1eabn V\u00e0o C\u00e1c S\u00e0n B\u1eb1ng 1.1.1.1 Khi B\u1ecb Ch\u1eb7n"},"content":{"rendered":"\n\n
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C\u1eadp nh\u1eadt l\u1ea7n cu\u1ed1i: 01\/10\/2026<\/em><\/p>\n\n\n\n

B\u1ea1n m\u1edf website giao d\u1ecbch nh\u01b0ng trang xoay m\u00e3i, trong khi \u0111\u1ed5i sang 4G l\u1ea1i truy c\u1eadp b\u00ecnh th\u01b0\u1eddng: t\u00ecnh tr\u1ea1ng c\u00e1c s\u00e0n kh\u00f4ng v\u00e0o \u0111\u01b0\u1ee3c c\u00f3 th\u1ec3 li\u00ean quan \u0111\u1ebfn DNS ho\u1eb7c \u0111\u01b0\u1eddng truy\u1ec1n. M\u1ed9t c\u00e1ch \u0111\u00e1ng th\u1eed l\u00e0 v\u00e0o c\u00e1c s\u00e0n b\u1eb1ng 1.1.1.1<\/strong>, c\u00f4ng c\u1ee5 c\u1ee7a Cloudflare c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 k\u1ebft n\u1ed1i cho tr\u00ecnh duy\u1ec7t v\u00e0 \u1ee9ng d\u1ee5ng tr\u00ean thi\u1ebft b\u1ecb. B\u00e0i vi\u1ebft h\u01b0\u1edbng d\u1eabn c\u00e0i \u0111\u1eb7t, ch\u1ecdn ch\u1ebf \u0111\u1ed9 v\u00e0 x\u1eed l\u00fd khi c\u00e1c s\u00e0n b\u1ecb ch\u1eb7n ho\u1eb7c l\u1ed7i k\u1ebft n\u1ed1i, \u00e1p d\u1ee5ng chung cho Exness, XM, Vantage, HFM, Ultima Markets v\u00e0 IC Markets.<\/p>\n\n\n\n

M\u1ee5c l\u1ee5c<\/strong><\/p>\n\n\n\n

    \n
  1. Ba c\u00e1ch x\u1eed l\u00fd l\u1ed7i truy c\u1eadp<\/a><\/li>\n\n\n\n
  2. Ph\u00e2n bi\u1ec7t hai ch\u1ebf \u0111\u1ed9 c\u1ee7a Cloudflare<\/a><\/li>\n\n\n\n
  3. C\u00e0i tr\u00ean Android v\u00e0 iPhone<\/a><\/li>\n\n\n\n
  4. C\u00e0i tr\u00ean Windows v\u00e0 macOS<\/a><\/li>\n\n\n\n
  5. An to\u00e0n t\u00e0i kho\u1ea3n v\u00e0 t\u1ed1c \u0111\u1ed9 l\u1ec7nh<\/a><\/li>\n\n\n\n
  6. N\u0103m c\u00e1ch x\u1eed l\u00fd khi v\u1eabn l\u1ed7i<\/a><\/li>\n\n\n\n
  7. C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/a><\/li>\n\n\n\n
  8. K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ol>\n\n\n\n

    C\u00e1c S\u00e0n B\u1ecb Ch\u1eb7n: 3 C\u00e1ch Truy C\u1eadp V\u00e0 Khi N\u00e0o N\u00ean D\u00f9ng 1.1.1.1<\/h2>\n\n\n\n

    Khi c\u00e1c s\u00e0n b\u1ecb ch\u1eb7n ho\u1eb7c kh\u00f4ng t\u1ea3i \u0111\u01b0\u1ee3c, h\u00e3y ph\u00e2n bi\u1ec7t l\u1ed7i DNS, l\u1ed7i \u0111\u01b0\u1eddng truy\u1ec1n v\u00e0 s\u1ef1 c\u1ed1 ph\u00eda s\u00e0n. C\u00f3 ba h\u01b0\u1edbng x\u1eed l\u00fd: \u0111\u1ed5i DNS trong Chrome, d\u00f9ng \u1ee9ng d\u1ee5ng 1.1.1.1 tr\u00ean thi\u1ebft b\u1ecb ho\u1eb7c th\u1eed VPN ph\u00f9 h\u1ee3p v\u1edbi \u0111i\u1ec1u kho\u1ea3n d\u1ecbch v\u1ee5.<\/p>\n\n\n\n

    Tr\u01b0\u1edbc ti\u00ean, m\u1edf m\u1ed9t website kh\u00e1c \u0111\u1ec3 ki\u1ec3m tra Internet. Sau \u0111\u00f3, th\u1eed c\u00f9ng \u0111\u1ecba ch\u1ec9 s\u00e0n b\u1eb1ng Wi-Fi v\u00e0 d\u1eef li\u1ec7u di \u0111\u1ed9ng. N\u1ebfu ch\u1ec9 m\u1ed9t m\u1ea1ng g\u1eb7p l\u1ed7i, v\u1ea5n \u0111\u1ec1 c\u00f3 th\u1ec3 n\u1eb1m \u1edf m\u1ea1ng \u0111\u00f3; \u0111\u00e2y ch\u01b0a ph\u1ea3i b\u1eb1ng ch\u1ee9ng s\u00e0n ng\u1eebng ho\u1ea1t \u0111\u1ed9ng.<\/p>\n\n\n\n

    Ti\u00eau ch\u00ed<\/th>DNS trong Chrome<\/th>App Cloudflare<\/th>VPN ch\u1ecdn m\u00e1y ch\u1ee7<\/th><\/tr>
    Ph\u1ea1m vi<\/td>Truy v\u1ea5n DNS c\u1ee7a Chrome<\/td>Thi\u1ebft b\u1ecb, t\u00f9y ch\u1ebf \u0111\u1ed9<\/td>Thi\u1ebft b\u1ecb, t\u00f9y c\u1ea5u h\u00ecnh<\/td><\/tr>
    C\u1ea7n c\u00e0i app<\/td>Kh\u00f4ng<\/td>C\u00f3<\/td>Th\u01b0\u1eddng c\u00f3<\/td><\/tr>
    H\u1ed7 tr\u1ee3 k\u1ebft n\u1ed1i app s\u00e0n\/MT5<\/td>Kh\u00f4ng tr\u1ef1c ti\u1ebfp<\/td>C\u00f3 th\u1ec3<\/td>C\u00f3 th\u1ec3<\/td><\/tr>
    Ch\u1ecdn qu\u1ed1c gia IP<\/td>Kh\u00f4ng<\/td>Kh\u00f4ng<\/td>Th\u01b0\u1eddng c\u00f3<\/td><\/tr>
    \u1ea2nh h\u01b0\u1edfng ping<\/td>Kh\u00f4ng \u0111\u1ed5i tuy\u1ebfn d\u1eef li\u1ec7u<\/td>C\u1ea7n \u0111o th\u1ef1c t\u1ebf<\/td>C\u1ea7n \u0111o th\u1ef1c t\u1ebf<\/td><\/tr>
    Th\u1ee9 t\u1ef1 c\u00e2n nh\u1eafc<\/td>Khi ch\u1ec9 Chrome l\u1ed7i<\/td>Khi nhi\u1ec1u \u1ee9ng d\u1ee5ng l\u1ed7i<\/td>Sau khi ki\u1ec3m tra nguy\u00ean nh\u00e2n<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    N\u1ebfu ch\u1ec9 c\u1ea7n s\u1eeda l\u1ed7i tr\u00ecnh duy\u1ec7t, xem h\u01b0\u1edbng d\u1eabn \u0111\u1ed5i DNS trong Chrome theo s\u00e0n: Exness<\/a>, XM<\/a>, Vantage<\/a>, HFM<\/a>, Ultima<\/a> ho\u1eb7c IC Markets<\/a>.<\/p>\n\n\n\n

    D\u1ea5u hi\u1ec7u n\u00ean chuy\u1ec3n t\u1eeb DNS Chrome sang \u1ee9ng d\u1ee5ng<\/h3>\n\n\n\n

    B\u1ea1n n\u00ean c\u00e2n nh\u1eafc v\u00e0o c\u00e1c s\u00e0n b\u1eb1ng 1.1.1.1 khi Chrome \u0111\u00e3 \u0111\u1ed5i DNS nh\u01b0ng v\u1eabn l\u1ed7i, c\u1ea7n d\u00f9ng Safari ho\u1eb7c Edge, hay app giao d\u1ecbch c\u0169ng m\u1ea5t k\u1ebft n\u1ed1i. C\u00e0i tr\u00ean \u0111i\u1ec7n tho\u1ea1i kh\u00f4ng t\u1ef1 s\u1eeda m\u1ea1ng cho m\u00e1y t\u00ednh; m\u1ed7i thi\u1ebft b\u1ecb c\u1ea7n c\u1ea5u h\u00ecnh ri\u00eang.<\/p>\n\n\n\n

    \u0110\u1eb7c bi\u1ec7t, khi c\u00e1c s\u00e0n kh\u00f4ng v\u00e0o \u0111\u01b0\u1ee3c tr\u00ean MT5 nh\u01b0ng website v\u1eabn ch\u1ea1y, h\u00e3y ki\u1ec3m tra m\u00e1y ch\u1ee7 v\u00e0 th\u00f4ng tin \u0111\u0103ng nh\u1eadp tr\u01b0\u1edbc. \u0110\u1eebng m\u1eb7c \u0111\u1ecbnh m\u1ecdi th\u00f4ng b\u00e1o m\u1ea5t k\u1ebft n\u1ed1i \u0111\u1ec1u do c\u00e1c s\u00e0n b\u1ecb ch\u1eb7n.<\/p>\n\n\n\n

    \u1ee8ng D\u1ee5ng 1.1.1.1 L\u00e0 G\u00ec? Hai Ch\u1ebf \u0111\u1ed9 V\u00e0 N\u00ean B\u1eadt Ch\u1ebf \u0110\u1ed9 N\u00e0o<\/h2>\n\n\n\n

    \u1ee8ng d\u1ee5ng 1.1.1.1<\/strong> l\u00e0 c\u00f4ng c\u1ee5 k\u1ebft n\u1ed1i c\u1ee7a Cloudflare. Hai l\u1ef1a ch\u1ecdn c\u01a1 b\u1ea3n c\u1ea7n ph\u00e2n bi\u1ec7t l\u00e0 ch\u1ebf \u0111\u1ed9 ch\u1ec9 DNS v\u00e0 ch\u1ebf \u0111\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng qua m\u1ea1ng Cloudflare; t\u00e1c d\u1ee5ng c\u1ee7a ch\u00fang kh\u00e1c nhau d\u00f9 c\u00f9ng n\u1eb1m trong m\u1ed9t ph\u1ea7n m\u1ec1m.<\/p>\n\n\n\n

    \"\u1ee8ng
    Ch\u1ebf \u0111\u1ed9 DNS ch\u1ec9 m\u00e3 h\u00f3a truy v\u1ea5n t\u00ean mi\u1ec1n; WARP truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng qua Cloudflare.<\/em><\/figcaption><\/figure>\n\n\n\n

    T\u00ean tr\u00ean \u0111i\u1ec7n tho\u1ea1i l\u00e0 1.1.1.1: Faster Internet<\/strong>; t\u00e0i li\u1ec7u m\u00e1y t\u00ednh d\u00f9ng t\u00ean Cloudflare WARP. M\u1ed9t s\u1ed1 phi\u00ean b\u1ea3n hi\u1ec3n th\u1ecb t\u00ean ch\u1ebf \u0111\u1ed9 m\u1edbi nh\u01b0 b\u1ea3ng d\u01b0\u1edbi, v\u00ec v\u1eady h\u00e3y \u0111\u1ecdc ch\u1ee9c n\u0103ng thay v\u00ec ch\u1ec9 t\u00ecm \u0111\u00fang m\u1ed9t nh\u00e3n c\u0169.<\/p>\n\n\n\n

    Ti\u00eau ch\u00ed<\/th>1.1.1.1 \/ DNS only<\/th>WARP \/ Traffic and DNS<\/th><\/tr>
    Ph\u1ea7n \u0111\u01b0\u1ee3c x\u1eed l\u00fd<\/td>Truy v\u1ea5n DNS<\/td>L\u01b0u l\u01b0\u1ee3ng qua \u0111\u01b0\u1eddng h\u1ea7m, g\u1ed3m DNS<\/td><\/tr>
    M\u00e3 h\u00f3a b\u1ed5 sung<\/td>Truy v\u1ea5n DNS t\u1edbi Cloudflare<\/td>K\u1ebft n\u1ed1i t\u1eeb thi\u1ebft b\u1ecb t\u1edbi Cloudflare<\/td><\/tr>
    \u0110\u1ed5i tuy\u1ebfn d\u1eef li\u1ec7u truy c\u1eadp web<\/td>Kh\u00f4ng<\/td>C\u00f3<\/td><\/tr>
    T\u00ecnh hu\u1ed1ng n\u00ean th\u1eed<\/td>L\u1ed7i ph\u00e2n gi\u1ea3i t\u00ean mi\u1ec1n<\/td>DNS ri\u00eang ch\u01b0a gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c<\/td><\/tr>
    B\u1ea3o \u0111\u1ea3m v\u00e0o \u0111\u01b0\u1ee3c s\u00e0n<\/td>Kh\u00f4ng<\/td>Kh\u00f4ng<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    DNS gi\u00fap t\u00ecm \u0111\u1ecba ch\u1ec9 m\u00e1y ch\u1ee7 t\u1eeb t\u00ean mi\u1ec1n. \u0110\u1ed5i DNS c\u00f3 th\u1ec3 h\u1eefu \u00edch n\u1ebfu kh\u00e2u tra c\u1ee9u n\u00e0y g\u1eb7p v\u1ea5n \u0111\u1ec1, nh\u01b0ng kh\u00f4ng s\u1eeda \u0111\u01b0\u1ee3c m\u00e1y ch\u1ee7 \u0111ang b\u1ea3o tr\u00ec, t\u00e0i kho\u1ea3n b\u1ecb h\u1ea1n ch\u1ebf ho\u1eb7c m\u1eadt kh\u1ea9u sai. Ch\u1ebf \u0111\u1ed9 ch\u1ec9 DNS c\u0169ng kh\u00f4ng l\u00e0m m\u1ea5t m\u00e3 h\u00f3a HTTPS v\u1ed1n c\u00f3 c\u1ee7a website.<\/p>\n\n\n\n

    Theo t\u00e0i li\u1ec7u c\u00e1c ch\u1ebf \u0111\u1ed9 Cloudflare<\/a>, t\u00ean DNS only<\/strong> t\u01b0\u01a1ng \u1ee9ng l\u1ef1a ch\u1ecdn ch\u1ec9 DNS, c\u00f2n Traffic and DNS<\/strong> t\u01b0\u01a1ng \u1ee9ng ch\u1ee9c n\u0103ng tr\u01b0\u1edbc \u0111\u00e2y g\u1ecdi l\u00e0 1.1.1.1 with WARP.<\/p>\n\n\n\n

    WARP c\u00f3 ph\u1ea3i \u201cfake IP\u201d sang n\u01b0\u1edbc kh\u00e1c kh\u00f4ng?<\/h3>\n\n\n\n

    C\u00f4ng c\u1ee5 n\u00e0y kh\u00f4ng cung c\u1ea5p danh s\u00e1ch qu\u1ed1c gia \u0111\u1ec3 b\u1ea1n ch\u1ecdn. Cloudflare gi\u1ea3i th\u00edch c\u01a1 ch\u1ebf gi\u1eef v\u1ecb tr\u00ed g\u1ea7n \u0111\u00fang c\u1ee7a IP<\/a>: website nh\u00ecn th\u1ea5y IP \u0111\u1ea7u ra c\u1ee7a Cloudflare thay v\u00ec IP m\u1ea1ng ban \u0111\u1ea7u.<\/p>\n\n\n\n

    \u0110i\u1ec1u \u0111\u00f3 kh\u00f4ng b\u1ea3o \u0111\u1ea3m m\u1ecdi h\u1ec7 th\u1ed1ng \u0111\u1ec1u nh\u1eadn di\u1ec7n \u0111\u00fang qu\u1ed1c gia ho\u1eb7c b\u1ecf qua ki\u1ec3m tra b\u1ea3o m\u1eadt. Khi v\u00e0o c\u00e1c s\u00e0n b\u1eb1ng 1.1.1.1, b\u1ea1n v\u1eabn ph\u1ea3i khai \u0111\u00fang n\u01a1i c\u01b0 tr\u00fa v\u00e0 \u0111\u00e1p \u1ee9ng \u0111i\u1ec1u ki\u1ec7n c\u1ee7a s\u00e0n.<\/p>\n\n\n\n

    T\u1ea3i \u1edf \u0111\u00e2u \u0111\u1ec3 tr\u00e1nh \u1ee9ng d\u1ee5ng gi\u1ea3?<\/h3>\n\n\n\n

    T\u1ea3i \u1ee9ng d\u1ee5ng 1.1.1.1 t\u1eeb App Store, Google Play ho\u1eb7c \u0111\u01b0\u1eddng d\u1eabn trong t\u00e0i li\u1ec7u Cloudflare. Ki\u1ec3m tra nh\u00e0 ph\u00e1t tri\u1ec3n Cloudflare, Inc.<\/strong>; tr\u00e1nh APK, b\u1ea3n \u201cm\u1edf kh\u00f3a\u201d v\u00e0 trang t\u1ea3i trung gian.<\/p>\n\n\n\n

    Cloudflare One Agent ph\u1ee5c v\u1ee5 nhu c\u1ea7u kh\u00e1c, kh\u00f4ng n\u00ean ch\u1ecdn ch\u1ec9 v\u00ec bi\u1ec3u t\u01b0\u1ee3ng t\u01b0\u01a1ng t\u1ef1. V\u1edbi nhu c\u1ea7u c\u00e1 nh\u00e2n, h\u00e3y b\u1eaft \u0111\u1ea7u t\u1eeb trang h\u01b0\u1edbng d\u1eabn 1.1.1.1 c\u1ee7a Cloudflare.<\/p>\n\n\n\n

    C\u00e1ch V\u00e0o C\u00e1c S\u00e0n B\u1eb1ng 1.1.1.1 Tr\u00ean Android V\u00e0 iPhone: 5 b\u01b0\u1edbc<\/h2>\n\n\n\n

    Chu\u1ea9n b\u1ecb k\u1ebft n\u1ed1i Internet v\u00e0 \u0111\u1ecba ch\u1ec9 website \u0111\u00e3 x\u00e1c nh\u1eadn c\u1ee7a s\u00e0n. Kh\u00f4ng c\u1ea7n cung c\u1ea5p t\u00e0i kho\u1ea3n giao d\u1ecbch cho Cloudflare \u0111\u1ec3 thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i.<\/p>\n\n\n\n

    \"C\u00e1ch
    N\u0103m b\u01b0\u1edbc c\u00e0i v\u00e0 b\u1eadt \u1ee9ng d\u1ee5ng 1.1.1.1 tr\u00ean Android ho\u1eb7c iPhone.<\/em><\/figcaption><\/figure>\n\n\n\n

    B\u01b0\u1edbc 1: C\u00e0i \u0111\u00fang \u1ee9ng d\u1ee5ng<\/h3>\n\n\n\n

    M\u1edf App Store ho\u1eb7c Google Play, t\u00ecm 1.1.1.1: Faster Internet<\/strong> v\u00e0 ki\u1ec3m tra nh\u00e0 ph\u00e1t tri\u1ec3n. B\u1ea1n c\u00f3 th\u1ec3 \u0111i t\u1eeb h\u01b0\u1edbng d\u1eabn iPhone<\/a> ho\u1eb7c h\u01b0\u1edbng d\u1eabn Android c\u1ee7a Cloudflare<\/a> \u0111\u1ec3 tr\u00e1nh ch\u1ecdn nh\u1ea7m.<\/p>\n\n\n\n

    \"iPhone
    T\u00ecm \u0111\u00fang \u1ee9ng d\u1ee5ng \u201c1.1.1.1: Faster Internet\u201d c\u1ee7a Cloudflare r\u1ed3i nh\u1ea5n t\u1ea3i.<\/em><\/figcaption><\/figure>\n\n\n\n

    B\u01b0\u1edbc 2: Cho ph\u00e9p c\u1ea5u h\u00ecnh k\u1ebft n\u1ed1i<\/h3>\n\n\n\n

    M\u1edf app, \u0111\u1ecdc \u0111i\u1ec1u kho\u1ea3n v\u00e0 ch\u1ea5p nh\u1eadn n\u1ebfu \u0111\u1ed3ng \u00fd s\u1eed d\u1ee5ng. Khi h\u1ec7 \u0111i\u1ec1u h\u00e0nh y\u00eau c\u1ea7u th\u00eam c\u1ea5u h\u00ecnh VPN, x\u00e1c nh\u1eadn trong h\u1ed9p tho\u1ea1i h\u1ec7 th\u1ed1ng; iPhone c\u00f3 th\u1ec3 y\u00eau c\u1ea7u x\u00e1c th\u1ef1c thi\u1ebft b\u1ecb.<\/p>\n\n\n\n

    \"iPhone
    H\u1ed9p tho\u1ea1i c\u1ee7a iOS xin quy\u1ec1n th\u00eam c\u1ea5u h\u00ecnh VPN; ch\u1ecdn Cho ph\u00e9p.<\/em><\/figcaption><\/figure>\n\n\n\n

    B\u01b0\u1edbc 3: B\u1eadt c\u00f4ng t\u1eafc v\u00e0 ch\u1edd k\u1ebft n\u1ed1i<\/h3>\n\n\n\n

    B\u1eadt c\u00f4ng t\u1eafc \u0111\u1ebfn khi tr\u1ea1ng th\u00e1i hi\u1ec3n th\u1ecb Connected<\/strong>. Ki\u1ec3m tra ch\u1ebf \u0111\u1ed9 \u0111ang ch\u1ecdn: h\u01b0\u1edbng d\u1eabn c\u00e0i \u0111\u1eb7t di \u0111\u1ed9ng c\u1ee7a Cloudflare s\u1eed d\u1ee5ng WARP m\u1eb7c \u0111\u1ecbnh, nh\u01b0ng thi\u1ebft l\u1eadp c\u0169 c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 kh\u00e1c.<\/p>\n\n\n\n

    \"iPhone
    G\u1ea1t c\u00f4ng t\u1eafc sang ph\u1ea3i v\u00e0 ch\u1edd \u1ee9ng d\u1ee5ng hi\u1ec3n th\u1ecb Connected.<\/em><\/figcaption><\/figure>\n\n\n\n

    B\u01b0\u1edbc 4: M\u1edf l\u1ea1i website ho\u1eb7c app s\u00e0n<\/h3>\n\n\n\n

    Quay l\u1ea1i tr\u00ecnh duy\u1ec7t, nh\u1eadp \u0111\u1ecba ch\u1ec9 ch\u00ednh ch\u1ee7 r\u1ed3i t\u1ea3i l\u1ea1i trang. N\u1ebfu d\u00f9ng \u1ee9ng d\u1ee5ng giao d\u1ecbch ho\u1eb7c MT4\/MT5, m\u1edf l\u1ea1i \u1ee9ng d\u1ee5ng v\u00e0 ki\u1ec3m tra k\u1ebft n\u1ed1i tr\u01b0\u1edbc khi \u0111\u0103ng nh\u1eadp hay thao t\u00e1c t\u00e0i kho\u1ea3n.<\/p>\n\n\n\n

    \"iPhone
    Nh\u1eadp \u0111\u00fang t\u00ean mi\u1ec1n ch\u00ednh ch\u1ee7 c\u1ee7a s\u00e0n tr\u00ean Safari r\u1ed3i t\u1ea3i l\u1ea1i trang.<\/em><\/figcaption><\/figure>\n\n\n\n

    B\u01b0\u1edbc 5: Th\u1eed ch\u1ebf \u0111\u1ed9 ch\u1ec9 DNS khi ph\u00f9 h\u1ee3p<\/h3>\n\n\n\n

    N\u1ebfu mu\u1ed1n ki\u1ec3m tra li\u1ec7u ch\u1ec9 \u0111\u1ed5i DNS \u0111\u00e3 \u0111\u1ee7, m\u1edf menu v\u00e0 ch\u1ecdn 1.1.1.1<\/strong> ho\u1eb7c DNS only<\/strong>. N\u1ebfu c\u00e1c s\u00e0n b\u1ecb ch\u1eb7n v\u1eabn ch\u01b0a truy c\u1eadp \u0111\u01b0\u1ee3c \u1edf ch\u1ebf \u0111\u1ed9 n\u00e0y, th\u1eed l\u1ea1i ch\u1ebf \u0111\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng.<\/p>\n\n\n\n

    \n