{"id":479261,"date":"2023-08-09T10:32:55","date_gmt":"2023-08-09T10:32:55","guid":{"rendered":""},"modified":"2023-09-05T11:18:29","modified_gmt":"2023-09-05T11:18:29","slug":"tcp-reset-attack","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/tcp-reset-attack\/","title":{"rendered":"T\u1ea5n c\u00f4ng thi\u1ebft l\u1eadp l\u1ea1i TCP"},"content":{"rendered":"

T\u1ea5n c\u00f4ng \u0111\u1eb7t l\u1ea1i TCP, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 t\u1ea5n c\u00f4ng TCP RST ho\u1eb7c \u0111\u01a1n gi\u1ea3n l\u00e0 t\u1ea5n c\u00f4ng RST, l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt khai th\u00e1c m\u1ea1ng \u0111\u1ed9c h\u1ea1i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ea5m d\u1ee9t ho\u1eb7c ph\u00e1 v\u1ee1 k\u1ebft n\u1ed1i TCP \u0111\u00e3 thi\u1ebft l\u1eadp gi\u1eefa hai b\u00ean giao ti\u1ebfp. Cu\u1ed9c t\u1ea5n c\u00f4ng n\u00e0y thao t\u00fang Giao th\u1ee9c \u0111i\u1ec1u khi\u1ec3n truy\u1ec1n d\u1eabn (TCP), \u0111\u00e2y l\u00e0 giao th\u1ee9c c\u1ed1t l\u00f5i c\u1ee7a b\u1ed9 giao th\u1ee9c Internet. B\u1eb1ng c\u00e1ch g\u1eedi c\u00e1c g\u00f3i \u0111\u1eb7t l\u1ea1i TCP gi\u1ea3 m\u1ea1o, k\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 bu\u1ed9c ch\u1ea5m d\u1ee9t k\u1ebft n\u1ed1i TCP, d\u1eabn \u0111\u1ebfn gi\u00e1n \u0111o\u1ea1n d\u1ecbch v\u1ee5 v\u00e0 c\u00f3 th\u1ec3 m\u1ea5t d\u1eef li\u1ec7u cho ng\u01b0\u1eddi d\u00f9ng h\u1ee3p ph\u00e1p.<\/p>\n

L\u1ecbch s\u1eed ngu\u1ed3n g\u1ed1c c\u1ee7a cu\u1ed9c t\u1ea5n c\u00f4ng thi\u1ebft l\u1eadp l\u1ea1i TCP v\u00e0 l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u1ec1 c\u1eadp \u0111\u1ebfn n\u00f3<\/h2>\n

Cu\u1ed9c t\u1ea5n c\u00f4ng thi\u1ebft l\u1eadp l\u1ea1i TCP l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u ph\u00e1t hi\u1ec7n v\u00e0 th\u1ea3o lu\u1eadn c\u00f4ng khai v\u00e0o \u0111\u1ea7u nh\u1eefng n\u0103m 2000. V\u00e0o th\u1eddi \u0111i\u1ec3m \u0111\u00f3, n\u00f3 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201c\u0111\u1eb7t l\u1ea1i TCP gi\u1ea3 m\u1ea1o\u201d v\u00e0 l\u00e0 ch\u1ee7 \u0111\u1ec1 \u0111\u01b0\u1ee3c c\u1ed9ng \u0111\u1ed3ng an ninh m\u1ea1ng quan t\u00e2m do c\u00f3 kh\u1ea3 n\u0103ng l\u00e0m gi\u00e1n \u0111o\u1ea1n ho\u1ea1t \u0111\u1ed9ng li\u00ean l\u1ea1c m\u1ea1ng h\u1ee3p ph\u00e1p. \u0110\u1ec1 c\u1eadp ban \u0111\u1ea7u v\u1ec1 cu\u1ed9c t\u1ea5n c\u00f4ng \u0111\u00e3 th\u00fac \u0111\u1ea9y nhi\u1ec1u c\u1ea3i ti\u1ebfn kh\u00e1c nhau \u0111\u1ed1i v\u1edbi c\u00e1c giao th\u1ee9c b\u1ea3o m\u1eadt m\u1ea1ng nh\u1eb1m gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng c\u1ee7a n\u00f3 \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng d\u1ec5 b\u1ecb t\u1ea5n c\u00f4ng.<\/p>\n

Th\u00f4ng tin chi ti\u1ebft v\u1ec1 cu\u1ed9c t\u1ea5n c\u00f4ng thi\u1ebft l\u1eadp l\u1ea1i TCP<\/h2>\n

Cu\u1ed9c t\u1ea5n c\u00f4ng thi\u1ebft l\u1eadp l\u1ea1i TCP khai th\u00e1c quy tr\u00ecnh b\u1eaft tay ba chi\u1ec1u TCP, quy tr\u00ecnh n\u00e0y thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i \u0111\u00e1ng tin c\u1eady gi\u1eefa m\u00e1y kh\u00e1ch v\u00e0 m\u00e1y ch\u1ee7. Trong qu\u00e1 tr\u00ecnh b\u1eaft tay, m\u00e1y kh\u00e1ch v\u00e0 m\u00e1y ch\u1ee7 trao \u0111\u1ed5i c\u00e1c g\u00f3i SYN (\u0111\u1ed3ng b\u1ed9 h\u00f3a) v\u00e0 ACK (x\u00e1c nh\u1eadn) \u0111\u1ec3 b\u1eaft \u0111\u1ea7u v\u00e0 x\u00e1c nh\u1eadn k\u1ebft n\u1ed1i. K\u1ebb t\u1ea5n c\u00f4ng b\u1eaft \u0111\u1ea7u cu\u1ed9c t\u1ea5n c\u00f4ng \u0111\u1eb7t l\u1ea1i TCP b\u1eb1ng c\u00e1ch g\u1eedi c\u00e1c g\u00f3i RST (\u0111\u1eb7t l\u1ea1i) gi\u1ea3 m\u1ea1o \u0111\u1ebfn m\u00e1y kh\u00e1ch ho\u1eb7c m\u00e1y ch\u1ee7, gi\u1ea3 v\u1edd l\u00e0 m\u1ed9t trong c\u00e1c b\u00ean h\u1ee3p ph\u00e1p.<\/p>\n

C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a cu\u1ed9c t\u1ea5n c\u00f4ng \u0111\u1eb7t l\u1ea1i TCP: C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a cu\u1ed9c t\u1ea5n c\u00f4ng \u0111\u1eb7t l\u1ea1i TCP<\/h2>\n

Cu\u1ed9c t\u1ea5n c\u00f4ng \u0111\u1eb7t l\u1ea1i TCP ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch l\u00e0m gi\u00e1n \u0111o\u1ea1n k\u1ebft n\u1ed1i TCP, th\u01b0\u1eddng l\u00e0 quy tr\u00ecnh b\u1ed1n chi\u1ec1u bao g\u1ed3m c\u00e1c b\u01b0\u1edbc sau:<\/p>\n

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  1. \n

    Thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i<\/strong>: M\u00e1y kh\u00e1ch g\u1eedi g\u00f3i SYN \u0111\u1ebfn m\u00e1y ch\u1ee7, cho bi\u1ebft mong mu\u1ed1n thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i.<\/p>\n<\/li>\n

  2. \n

    Ph\u1ea3n h\u1ed3i c\u1ee7a m\u00e1y ch\u1ee7<\/strong>: M\u00e1y ch\u1ee7 tr\u1ea3 l\u1eddi b\u1eb1ng g\u00f3i ACK-SYN, x\u00e1c nh\u1eadn y\u00eau c\u1ea7u c\u1ee7a m\u00e1y kh\u00e1ch v\u00e0 b\u1eaft \u0111\u1ea7u m\u1ed9t n\u1eeda k\u1ebft n\u1ed1i c\u1ee7a n\u00f3.<\/p>\n<\/li>\n

  3. \n

    X\u00e1c nh\u1eadn k\u1ebft n\u1ed1i<\/strong>: M\u00e1y kh\u00e1ch ph\u1ea3n h\u1ed3i b\u1eb1ng g\u00f3i ACK, x\u00e1c nh\u1eadn vi\u1ec7c thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i th\u00e0nh c\u00f4ng.<\/p>\n<\/li>\n

  4. \n

    T\u1ea5n c\u00f4ng thi\u1ebft l\u1eadp l\u1ea1i TCP<\/strong>: K\u1ebb t\u1ea5n c\u00f4ng ch\u1eb7n li\u00ean l\u1ea1c v\u00e0 g\u1eedi g\u00f3i RST gi\u1ea3 m\u1ea1o, gi\u1ea3 v\u1edd l\u00e0 m\u00e1y kh\u00e1ch ho\u1eb7c m\u00e1y ch\u1ee7, d\u1eabn \u0111\u1ebfn vi\u1ec7c ch\u1ea5m d\u1ee9t k\u1ebft n\u1ed1i.<\/p>\n<\/li>\n<\/ol>\n

    Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a t\u1ea5n c\u00f4ng thi\u1ebft l\u1eadp l\u1ea1i TCP<\/h2>\n

    Cu\u1ed9c t\u1ea5n c\u00f4ng thi\u1ebft l\u1eadp l\u1ea1i TCP c\u00f3 m\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m \u0111\u00e1ng ch\u00fa \u00fd:<\/p>\n

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      Khai th\u00e1c giao th\u1ee9c phi tr\u1ea1ng th\u00e1i<\/strong>: Cu\u1ed9c t\u1ea5n c\u00f4ng \u0111\u1eb7t l\u1ea1i TCP l\u00e0 kh\u00f4ng tr\u1ea1ng th\u00e1i, ngh\u0129a l\u00e0 n\u00f3 kh\u00f4ng y\u00eau c\u1ea7u ki\u1ebfn th\u1ee9c tr\u01b0\u1edbc v\u1ec1 tr\u1ea1ng th\u00e1i c\u1ee7a k\u1ebft n\u1ed1i. K\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u cu\u1ed9c t\u1ea5n c\u00f4ng n\u00e0y m\u00e0 kh\u00f4ng c\u1ea7n tham gia b\u1eaft tay ba b\u01b0\u1edbc.<\/p>\n<\/li>\n

    2. \n

      Ng\u1eaft k\u1ebft n\u1ed1i nhanh<\/strong>: Cu\u1ed9c t\u1ea5n c\u00f4ng khi\u1ebfn k\u1ebft n\u1ed1i b\u1ecb ng\u1eaft nhanh ch\u00f3ng, d\u1eabn \u0111\u1ebfn gi\u00e1n \u0111o\u1ea1n d\u1ecbch v\u1ee5 nhanh ch\u00f3ng m\u00e0 kh\u00f4ng y\u00eau c\u1ea7u li\u00ean l\u1ea1c r\u1ed9ng r\u00e3i.<\/p>\n<\/li>\n

    3. \n

      Thi\u1ebfu x\u00e1c th\u1ef1c<\/strong>: TCP kh\u00f4ng bao g\u1ed3m x\u00e1c th\u1ef1c t\u00edch h\u1ee3p cho c\u00e1c g\u00f3i \u0111\u1eb7t l\u1ea1i, khi\u1ebfn k\u1ebb t\u1ea5n c\u00f4ng d\u1ec5 d\u00e0ng gi\u1ea3 m\u1ea1o v\u00e0 \u0111\u01b0a c\u00e1c g\u00f3i RST v\u00e0o lu\u1ed3ng li\u00ean l\u1ea1c.<\/p>\n<\/li>\n

    4. \n

      Gi\u1ea3 m\u1ea1o k\u1ebft n\u1ed1i<\/strong>: K\u1ebb t\u1ea5n c\u00f4ng ph\u1ea3i gi\u1ea3 m\u1ea1o \u0111\u1ecba ch\u1ec9 IP ngu\u1ed3n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u1ee5c ti\u00eau tin r\u1eb1ng g\u00f3i RST \u0111\u1ebfn t\u1eeb m\u1ed9t ngu\u1ed3n h\u1ee3p ph\u00e1p.<\/p>\n<\/li>\n<\/ol>\n

      C\u00e1c ki\u1ec3u t\u1ea5n c\u00f4ng thi\u1ebft l\u1eadp l\u1ea1i TCP<\/h2>\n

      Cu\u1ed9c t\u1ea5n c\u00f4ng \u0111\u1eb7t l\u1ea1i TCP c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh hai lo\u1ea1i ch\u00ednh d\u1ef1a tr\u00ean th\u1ef1c th\u1ec3 kh\u1edfi t\u1ea1o cu\u1ed9c t\u1ea5n c\u00f4ng:<\/p>\n\n\n\n\n\n\n
      Ki\u1ec3u<\/th>\nS\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n
      T\u1ea5n c\u00f4ng ph\u00eda kh\u00e1ch h\u00e0ng<\/td>\nTrong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, k\u1ebb t\u1ea5n c\u00f4ng g\u1eedi c\u00e1c g\u00f3i RST gi\u1ea3 m\u1ea1o \u0111\u1ebfn m\u00e1y kh\u00e1ch, l\u00e0m gi\u00e1n \u0111o\u1ea1n k\u1ebft n\u1ed1i t\u1eeb ph\u00eda m\u00e1y kh\u00e1ch. Lo\u1ea1i n\u00e0y \u00edt ph\u1ed5 bi\u1ebfn h\u01a1n do c\u00e1c th\u00e1ch th\u1ee9c gi\u1ea3 m\u1ea1o \u0111\u1ecba ch\u1ec9 IP ngu\u1ed3n.<\/td>\n<\/tr>\n
      T\u1ea5n c\u00f4ng ph\u00eda m\u00e1y ch\u1ee7<\/td>\nKi\u1ec3u t\u1ea5n c\u00f4ng n\u00e0y li\u00ean quan \u0111\u1ebfn vi\u1ec7c g\u1eedi c\u00e1c g\u00f3i RST gi\u1ea3 m\u1ea1o \u0111\u1ebfn m\u00e1y ch\u1ee7, d\u1eabn \u0111\u1ebfn vi\u1ec7c ch\u1ea5m d\u1ee9t k\u1ebft n\u1ed1i t\u1eeb ph\u00eda m\u00e1y ch\u1ee7. \u0110\u00e2y l\u00e0 ki\u1ec3u t\u1ea5n c\u00f4ng thi\u1ebft l\u1eadp l\u1ea1i TCP ph\u1ed5 bi\u1ebfn h\u01a1n.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      C\u00e1c c\u00e1ch s\u1eed d\u1ee5ng t\u1ea5n c\u00f4ng reset TCP, c\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng<\/h2>\n

      Cu\u1ed9c t\u1ea5n c\u00f4ng \u0111\u1eb7t l\u1ea1i TCP c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho nhi\u1ec1u m\u1ee5c \u0111\u00edch \u0111\u1ed9c h\u1ea1i kh\u00e1c nhau, bao g\u1ed3m:<\/p>\n

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        T\u1eeb ch\u1ed1i d\u1ecbch v\u1ee5 (DoS)<\/strong>: K\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng \u0111\u1eb7t l\u1ea1i TCP \u0111\u1ec3 kh\u1edfi \u0111\u1ed9ng c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DoS tr\u00ean c\u00e1c d\u1ecbch v\u1ee5 ho\u1eb7c m\u00e1y ch\u1ee7 c\u1ee5 th\u1ec3 b\u1eb1ng c\u00e1ch li\u00ean t\u1ee5c ch\u1ea5m d\u1ee9t c\u00e1c k\u1ebft n\u1ed1i \u0111\u00e3 thi\u1ebft l\u1eadp.<\/p>\n<\/li>\n

      2. \n

        Chi\u1ebfm quy\u1ec1n \u0111i\u1ec1u khi\u1ec3n phi\u00ean<\/strong>: B\u1eb1ng c\u00e1ch l\u00e0m gi\u00e1n \u0111o\u1ea1n c\u00e1c k\u1ebft n\u1ed1i h\u1ee3p ph\u00e1p, k\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 c\u1ed1 g\u1eafng chi\u1ebfm quy\u1ec1n \u0111i\u1ec1u khi\u1ec3n phi\u00ean, chi\u1ebfm \u0111o\u1ea1t t\u00e0i kho\u1ea3n ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c truy c\u1eadp tr\u00e1i ph\u00e9p v\u00e0o th\u00f4ng tin nh\u1ea1y c\u1ea3m.<\/p>\n<\/li>\n

      3. \n

        Ki\u1ec3m duy\u1ec7t v\u00e0 l\u1ecdc n\u1ed9i dung<\/strong>: C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng \u0111\u1eb7t l\u1ea1i TCP c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ki\u1ec3m duy\u1ec7t ho\u1eb7c l\u1ecdc n\u1ed9i dung c\u1ee5 th\u1ec3 b\u1eb1ng c\u00e1ch ch\u1ea5m d\u1ee9t k\u1ebft n\u1ed1i \u0111\u1ebfn c\u00e1c trang web ho\u1eb7c d\u1ecbch v\u1ee5 c\u1ee5 th\u1ec3.<\/p>\n<\/li>\n<\/ol>\n

        \u0110\u1ec3 ch\u1ed1ng l\u1ea1i c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng \u0111\u1eb7t l\u1ea1i TCP, m\u1ed9t s\u1ed1 gi\u1ea3i ph\u00e1p \u0111\u00e3 \u0111\u01b0\u1ee3c tri\u1ec3n khai:<\/p>\n

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        1. \n

          T\u01b0\u1eddng l\u1eeda v\u00e0 h\u1ec7 th\u1ed1ng ng\u0103n ch\u1eb7n x\u00e2m nh\u1eadp<\/strong>: C\u00e1c thi\u1ebft b\u1ecb an ninh m\u1ea1ng c\u00f3 th\u1ec3 ki\u1ec3m tra c\u00e1c g\u00f3i \u0111\u1ebfn \u0111\u1ec3 t\u00ecm d\u1ea5u hi\u1ec7u c\u1ee7a c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng \u0111\u1eb7t l\u1ea1i TCP v\u00e0 ch\u1eb7n l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u00e1ng ng\u1edd.<\/p>\n<\/li>\n

        2. \n

          Ki\u1ec3m tra g\u00f3i tr\u1ea1ng th\u00e1i (SPI)<\/strong>: SPI theo d\u00f5i c\u00e1c k\u1ebft n\u1ed1i \u0111ang ho\u1ea1t \u0111\u1ed9ng v\u00e0 ki\u1ec3m tra ti\u00eau \u0111\u1ec1 g\u00f3i \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c \u0111i\u1ec3m b\u1ea5t th\u01b0\u1eddng, bao g\u1ed3m c\u1ea3 c\u00e1c g\u00f3i RST gi\u1ea3 m\u1ea1o.<\/p>\n<\/li>\n

        3. \n

          X\u00e1c minh s\u1ed1 th\u1ee9 t\u1ef1 TCP<\/strong>: M\u00e1y ch\u1ee7 c\u00f3 th\u1ec3 x\u00e1c minh t\u00ednh h\u1ee3p ph\u00e1p c\u1ee7a c\u00e1c g\u00f3i RST \u0111\u1ebfn b\u1eb1ng c\u00e1ch ki\u1ec3m tra s\u1ed1 th\u1ee9 t\u1ef1 TCP, gi\u00fap x\u00e1c \u0111\u1ecbnh c\u00e1c g\u00f3i gi\u1ea3 m\u1ea1o.<\/p>\n<\/li>\n<\/ol>\n

          C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 so s\u00e1nh kh\u00e1c v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1<\/h2>\n\n\n\n\n\n\n\n\n
          \u0111\u1eb7c tr\u01b0ng<\/th>\nT\u1ea5n c\u00f4ng thi\u1ebft l\u1eadp l\u1ea1i TCP<\/th>\nT\u1ea5n c\u00f4ng l\u0169 l\u1ee5t TCP SYN<\/th>\nT\u1ea5n c\u00f4ng l\u0169 l\u1ee5t TCP RST<\/th>\n<\/tr>\n<\/thead>\n
          Ki\u1ec3u t\u1ea5n c\u00f4ng<\/td>\nGi\u00e1n \u0111o\u1ea1n k\u1ebft n\u1ed1i<\/td>\nH\u1ebft k\u1ebft n\u1ed1i<\/td>\nCh\u1ea5m d\u1ee9t k\u1ebft n\u1ed1i<\/td>\n<\/tr>\n
          M\u1ee5c \u0111\u00edch<\/td>\nCh\u1ea5m d\u1ee9t k\u1ebft n\u1ed1i<\/td>\n\u00c1p \u0111\u1ea3o t\u00e0i nguy\u00ean m\u00e1y ch\u1ee7<\/td>\nK\u1ebft n\u1ed1i m\u1ea1nh m\u1ebd \u0110\u00f3ng<\/td>\n<\/tr>\n
          Vect\u01a1 t\u1ea5n c\u00f4ng<\/td>\nG\u00f3i RST gi\u1ea3 m\u1ea1o<\/td>\nNhi\u1ec1u y\u00eau c\u1ea7u SYN<\/td>\nG\u00f3i RST gi\u1ea3 m\u1ea1o<\/td>\n<\/tr>\n
          C\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba<\/td>\nKi\u1ec3m tra g\u00f3i tr\u1ea1ng th\u00e1i, t\u01b0\u1eddng l\u1eeda<\/td>\nGi\u1edbi h\u1ea1n t\u1ed1c \u0111\u1ed9, Cookie SYN<\/td>\nX\u00e1c minh s\u1ed1 th\u1ee9 t\u1ef1 TCP<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          Vi\u1ec5n c\u1ea3nh v\u00e0 c\u00f4ng ngh\u1ec7 t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn t\u1ea5n c\u00f4ng thi\u1ebft l\u1eadp l\u1ea1i TCP<\/h2>\n

          Khi c\u00f4ng ngh\u1ec7 ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n, c\u00e1c bi\u1ec7n ph\u00e1p an ninh m\u1ea1ng \u0111\u1ec3 ch\u1ed1ng l\u1ea1i c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng \u0111\u1eb7t l\u1ea1i TCP c\u0169ng v\u1eady. M\u1ed9t s\u1ed1 quan \u0111i\u1ec3m trong t\u01b0\u01a1ng lai v\u00e0 c\u00f4ng ngh\u1ec7 ti\u1ec1m n\u0103ng bao g\u1ed3m:<\/p>\n

            \n
          1. \n

            X\u00e1c th\u1ef1c \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n<\/strong>: C\u00e1c giao th\u1ee9c TCP c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p c\u00e1c c\u01a1 ch\u1ebf x\u00e1c th\u1ef1c m\u1ea1nh h\u01a1n cho c\u00e1c g\u00f3i \u0111\u1eb7t l\u1ea1i k\u1ebft n\u1ed1i, khi\u1ebfn k\u1ebb t\u1ea5n c\u00f4ng g\u1eb7p kh\u00f3 kh\u0103n h\u01a1n trong vi\u1ec7c gi\u1ea3 m\u1ea1o v\u00e0 ti\u00eam c\u00e1c g\u00f3i RST.<\/p>\n<\/li>\n

          2. \n

            Ph\u00e2n t\u00edch h\u00e0nh vi<\/strong>: C\u00e1c thu\u1eadt to\u00e1n ph\u00e2n t\u00edch h\u00e0nh vi n\u00e2ng cao c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c m\u1eabu l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp b\u1ea5t th\u01b0\u1eddng, gi\u00fap x\u00e1c \u0111\u1ecbnh c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng \u0111\u1eb7t l\u1ea1i TCP v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n.<\/p>\n<\/li>\n

          3. \n

            G\u00f3i \u0111\u1eb7t l\u1ea1i \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a<\/strong>: M\u00e3 h\u00f3a c\u00e1c g\u00f3i \u0111\u1eb7t l\u1ea1i TCP c\u00f3 th\u1ec3 b\u1ed5 sung th\u00eam m\u1ed9t l\u1edbp b\u1ea3o m\u1eadt, ng\u0103n ch\u1eb7n k\u1ebb t\u1ea5n c\u00f4ng d\u1ec5 d\u00e0ng thao t\u00fang c\u00e1c k\u1ebft n\u1ed1i.<\/p>\n<\/li>\n<\/ol>\n

            C\u00e1ch m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft v\u1edbi cu\u1ed9c t\u1ea5n c\u00f4ng thi\u1ebft l\u1eadp l\u1ea1i TCP<\/h2>\n

            M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 \u0111\u00f3ng c\u1ea3 vai tr\u00f2 ph\u00f2ng th\u1ee7 v\u00e0 t\u1ea5n c\u00f4ng li\u00ean quan \u0111\u1ebfn c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng \u0111\u1eb7t l\u1ea1i TCP:<\/p>\n

              \n
            1. \n

              S\u1eed d\u1ee5ng ph\u00f2ng th\u1ee7<\/strong>: M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 \u0111\u00f3ng vai tr\u00f2 trung gian gi\u1eefa m\u00e1y kh\u00e1ch v\u00e0 m\u00e1y ch\u1ee7, gi\u00fap \u1ea9n \u0111\u1ecba ch\u1ec9 IP th\u1ef1c c\u1ee7a m\u00e1y ch\u1ee7 v\u00e0 b\u1ea3o v\u1ec7 n\u00f3 kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng reset TCP tr\u1ef1c ti\u1ebfp.<\/p>\n<\/li>\n

            2. \n

              S\u1eed d\u1ee5ng t\u1ea5n c\u00f4ng<\/strong>: V\u00e0o tay k\u1ebb x\u1ea5u, m\u00e1y ch\u1ee7 proxy c\u0169ng c\u00f3 th\u1ec3 b\u1ecb k\u1ebb t\u1ea5n c\u00f4ng l\u1ee3i d\u1ee5ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng \u0111\u1eb7t l\u1ea1i TCP m\u1ed9t c\u00e1ch b\u00ed m\u1eadt h\u01a1n b\u1eb1ng c\u00e1ch l\u00e0m x\u00e1o tr\u1ed9n \u0111\u1ecba ch\u1ec9 IP ngu\u1ed3n c\u1ee7a ch\u00fang v\u00e0 tr\u00e1nh b\u1ecb ph\u00e1t hi\u1ec7n tr\u1ef1c ti\u1ebfp.<\/p>\n<\/li>\n<\/ol>\n

              Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n

              \u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng \u0111\u1eb7t l\u1ea1i TCP, h\u00e3y xem x\u00e9t kh\u00e1m ph\u00e1 c\u00e1c t\u00e0i nguy\u00ean sau:<\/p>\n

                \n
              1. RFC 793 \u2013 Giao th\u1ee9c \u0111i\u1ec1u khi\u1ec3n truy\u1ec1n d\u1eabn<\/a><\/li>\n
              2. T\u00ecm hi\u1ec3u c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng thi\u1ebft l\u1eadp l\u1ea1i TCP<\/a><\/li>\n
              3. Gi\u1ea3m thi\u1ec3u c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng thi\u1ebft l\u1eadp l\u1ea1i TCP<\/a><\/li>\n
              4. Ph\u00e1t hi\u1ec7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng thi\u1ebft l\u1eadp l\u1ea1i TCP b\u1eb1ng Machine Learning<\/a><\/li>\n<\/ol>","protected":false},"featured_media":479262,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-479261","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about TCP Reset Attack: A Comprehensive Overview<\/mark>","faq_items":[{"question":"What is a TCP reset attack?","answer":"

                A TCP reset attack is a malicious network exploitation technique used to disrupt or terminate established TCP connections between two communicating parties. By sending fake TCP reset packets, attackers can forcefully terminate the connection, leading to service disruptions and potential data loss for legitimate users.<\/p>"},{"question":"How did the TCP reset attack originate?","answer":"

                The TCP reset attack was first discovered and publicly discussed by researchers during the early 2000s. At that time, it was referred to as \"forged TCP resets\" and became a topic of interest among the cybersecurity community due to its potential to disrupt legitimate network communications.<\/p>"},{"question":"How does the TCP reset attack work?","answer":"

                The TCP reset attack exploits the TCP three-way handshake process used to establish a reliable connection between a client and a server. Attackers send forged RST (reset) packets to either the client or the server, pretending to be one of the legitimate parties, thus disrupting the connection.<\/p>"},{"question":"What are the key features of the TCP reset attack?","answer":"

                The TCP reset attack possesses several notable characteristics, including stateless protocol exploitation, fast disconnection, lack of authentication for reset packets, and the need for connection spoofing.<\/p>"},{"question":"What are the types of TCP reset attack?","answer":"

                The TCP reset attack can be categorized into two main types: client-side attack, where attackers disrupt the connection from the client's end, and server-side attack, where the attackers terminate the connection from the server's end.<\/p>"},{"question":"How is the TCP reset attack used and what are the associated problems?","answer":"

                The TCP reset attack can be used for various malicious purposes, such as launching denial of service (DoS) attacks, session hijacking, and censorship. To counter this attack, network security measures like firewalls, intrusion prevention systems, and TCP sequence number verification are used.<\/p>"},{"question":"How does the TCP reset attack compare to similar terms like TCP SYN flood attack and TCP RST flood attack?","answer":"

                TCP reset attack differs from TCP SYN flood attack and TCP RST flood attack in terms of its purpose, attack vector, and prevention measures. While TCP reset attack focuses on connection disruption, SYN flood attack aims to overwhelm server resources, and RST flood attack focuses on forceful connection close.<\/p>"},{"question":"What are the future perspectives related to TCP reset attack?","answer":"

                In the future, TCP protocols might incorporate improved authentication mechanisms, behavioral analysis algorithms, and encrypted reset packets to enhance security against TCP reset attacks.<\/p>"},{"question":"How are proxy servers associated with TCP reset attack?","answer":"

                Proxy servers can be both defensively and offensively associated with TCP reset attacks. They act as intermediaries to protect servers from direct attacks, but they can also be used by attackers to obfuscate their source IP addresses and carry out TCP reset attacks more covertly.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/479261","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/479261\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/479262"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=479261"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}