{"id":477953,"date":"2023-08-09T09:22:45","date_gmt":"2023-08-09T09:22:45","guid":{"rendered":""},"modified":"2023-09-05T11:15:44","modified_gmt":"2023-09-05T11:15:44","slug":"mandatory-access-control","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/mandatory-access-control\/","title":{"rendered":"Ki\u1ec3m so\u00e1t truy c\u1eadp b\u1eaft bu\u1ed9c"},"content":{"rendered":"

Ki\u1ec3m so\u00e1t truy c\u1eadp b\u1eaft bu\u1ed9c (MAC) l\u00e0 m\u1ed9t c\u01a1 ch\u1ebf b\u1ea3o m\u1eadt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh \u0111\u1ec3 th\u1ef1c thi c\u00e1c h\u1ea1n ch\u1ebf truy c\u1eadp t\u00e0i nguy\u00ean d\u1ef1a tr\u00ean c\u00e1c quy t\u1eafc v\u00e0 ch\u00ednh s\u00e1ch \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh tr\u01b0\u1edbc. Kh\u00f4ng gi\u1ed1ng nh\u01b0 ki\u1ec3m so\u00e1t truy c\u1eadp t\u00f9y \u00fd (DAC), trong \u0111\u00f3 ch\u1ee7 s\u1edf h\u1eefu t\u00e0i nguy\u00ean x\u00e1c \u0111\u1ecbnh quy\u1ec1n truy c\u1eadp, MAC \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c quy\u1ebft \u0111\u1ecbnh truy c\u1eadp \u0111\u01b0\u1ee3c qu\u1ea3n tr\u1ecb vi\u00ean h\u1ec7 th\u1ed1ng \u0111\u01b0a ra t\u1eadp trung. B\u00e0i vi\u1ebft n\u00e0y t\u00ecm hi\u1ec3u c\u00e1ch tri\u1ec3n khai v\u00e0 t\u1ea7m quan tr\u1ecdng c\u1ee7a Ki\u1ec3m so\u00e1t truy c\u1eadp b\u1eaft bu\u1ed9c \u0111\u1ed1i v\u1edbi trang web c\u1ee7a nh\u00e0 cung c\u1ea5p m\u00e1y ch\u1ee7 proxy, OneProxy (oneproxy.pro).<\/p>\n

L\u1ecbch s\u1eed ngu\u1ed3n g\u1ed1c c\u1ee7a ki\u1ec3m so\u00e1t truy c\u1eadp b\u1eaft bu\u1ed9c v\u00e0 s\u1ef1 \u0111\u1ec1 c\u1eadp \u0111\u1ea7u ti\u00ean v\u1ec1 n\u00f3<\/h2>\n

Kh\u00e1i ni\u1ec7m Ki\u1ec3m so\u00e1t truy c\u1eadp b\u1eaft bu\u1ed9c xu\u1ea5t hi\u1ec7n t\u1eeb nh\u1eefng ng\u00e0y \u0111\u1ea7u c\u1ee7a b\u1ea3o m\u1eadt m\u00e1y t\u00ednh v\u00e0 \u0111\u01b0\u1ee3c B\u1ed9 Qu\u1ed1c ph\u00f2ng Hoa K\u1ef3 (DoD) ch\u00ednh th\u1ee9c gi\u1edbi thi\u1ec7u l\u1ea7n \u0111\u1ea7u ti\u00ean v\u00e0o nh\u1eefng n\u0103m 1970. Ti\u00eau ch\u00ed \u0111\u00e1nh gi\u00e1 h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh \u0111\u00e1ng tin c\u1eady (TCSEC), th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 S\u00e1ch Cam, \u0111\u01b0a ra c\u00e1c ti\u00eau ch\u00ed \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 b\u1ea3o m\u1eadt m\u00e1y t\u00ednh trong c\u00e1c h\u1ec7 th\u1ed1ng c\u1ee7a ch\u00ednh ph\u1ee7. TCSEC \u0111\u00e3 gi\u1edbi thi\u1ec7u c\u00e1c c\u1ea5p \u0111\u1ed9 b\u1ea3o m\u1eadt kh\u00e1c nhau, m\u1ed7i c\u1ea5p \u0111\u1ed9 c\u00f3 b\u1ed9 ki\u1ec3m so\u00e1t b\u1eaft bu\u1ed9c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7 cao h\u01a1n ch\u1ed1ng l\u1ea1i truy c\u1eadp tr\u00e1i ph\u00e9p.<\/p>\n

Th\u00f4ng tin chi ti\u1ebft v\u1ec1 Ki\u1ec3m so\u00e1t truy c\u1eadp b\u1eaft bu\u1ed9c<\/h2>\n

Ki\u1ec3m so\u00e1t truy c\u1eadp b\u1eaft bu\u1ed9c \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c m\u1ed1i lo ng\u1ea1i v\u1ec1 b\u1ea3o m\u1eadt ph\u00e1t sinh t\u1eeb DAC, n\u01a1i ng\u01b0\u1eddi d\u00f9ng c\u00e1 nh\u00e2n c\u00f3 quy\u1ec1n ki\u1ec3m so\u00e1t \u0111\u00e1ng k\u1ec3 \u0111\u1ed1i v\u1edbi quy\u1ec1n truy c\u1eadp t\u00e0i nguy\u00ean. Trong MAC, quy\u1ec1n truy c\u1eadp d\u1ef1a tr\u00ean nh\u00e3n \u0111\u1ed9 nh\u1ea1y v\u00e0 th\u00f4ng tin b\u1ea3o m\u1eadt. M\u1ed7i t\u00e0i nguy\u00ean, bao g\u1ed3m c\u00e1c t\u1ec7p, th\u01b0 m\u1ee5c v\u00e0 quy tr\u00ecnh, \u0111\u01b0\u1ee3c g\u00e1n m\u1ed9t nh\u00e3n bi\u1ec3u th\u1ecb m\u1ee9c \u0111\u1ed9 nh\u1ea1y c\u1ea3m c\u1ee7a n\u00f3. Ng\u01b0\u1eddi d\u00f9ng c\u0169ng \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt d\u1ef1a tr\u00ean vai tr\u00f2 v\u00e0 tr\u00e1ch nhi\u1ec7m c\u1ee7a h\u1ecd.<\/p>\n

H\u1ea1t nh\u00e2n b\u1ea3o m\u1eadt, m\u1ed9t th\u00e0nh ph\u1ea7n trung t\u00e2m c\u1ee7a h\u1ec7 \u0111i\u1ec1u h\u00e0nh, th\u1ef1c thi c\u00e1c ch\u00ednh s\u00e1ch ki\u1ec3m so\u00e1t truy c\u1eadp v\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c y\u00eau c\u1ea7u truy c\u1eadp tu\u00e2n th\u1ee7 c\u00e1c quy t\u1eafc \u0111\u00e3 x\u00e1c \u0111\u1ecbnh. H\u1ea1t nh\u00e2n n\u00e0y ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t ng\u01b0\u1eddi g\u00e1c c\u1ed5ng, l\u00e0m trung gian cho m\u1ecdi n\u1ed7 l\u1ef1c truy c\u1eadp v\u00e0 ch\u1ec9 cho ph\u00e9p c\u00e1c t\u01b0\u01a1ng t\u00e1c \u0111\u01b0\u1ee3c \u1ee7y quy\u1ec1n di\u1ec5n ra.<\/p>\n

C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a Ki\u1ec3m so\u00e1t truy c\u1eadp b\u1eaft bu\u1ed9c v\u00e0 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng<\/h2>\n

C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a Ki\u1ec3m so\u00e1t truy c\u1eadp b\u1eaft bu\u1ed9c bao g\u1ed3m m\u1ed9t s\u1ed1 th\u00e0nh ph\u1ea7n ch\u00ednh:<\/p>\n

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  1. \n

    Nh\u00e3n b\u1ea3o m\u1eadt<\/strong>: M\u1ecdi t\u00e0i nguy\u00ean v\u00e0 ch\u1ee7 \u0111\u1ec1 trong h\u1ec7 th\u1ed1ng \u0111\u1ec1u \u0111\u01b0\u1ee3c g\u00e1n nh\u00e3n b\u1ea3o m\u1eadt. C\u00e1c nh\u00e3n n\u00e0y ch\u1ee9a th\u00f4ng tin v\u1ec1 m\u1ee9c \u0111\u1ed9 nh\u1ea1y c\u1ea3m v\u00e0 t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a th\u1ef1c th\u1ec3.<\/p>\n<\/li>\n

  2. \n

    \u0110\u1ed9 an to\u00e0n<\/strong>: Ng\u01b0\u1eddi d\u00f9ng \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt d\u1ef1a tr\u00ean vai tr\u00f2 v\u00e0 tr\u00e1ch nhi\u1ec7m c\u1ee7a h\u1ecd trong t\u1ed5 ch\u1ee9c. M\u1ee9c \u0111\u1ed9 b\u1ea3o m\u1eadt c\u1ee7a ng\u01b0\u1eddi d\u00f9ng ph\u1ea3i b\u1eb1ng ho\u1eb7c cao h\u01a1n nh\u00e3n \u0111\u1ed9 nh\u1ea1y c\u1ee7a t\u00e0i nguy\u00ean m\u00e0 h\u1ecd mu\u1ed1n truy c\u1eadp.<\/p>\n<\/li>\n

  3. \n

    C\u01a1 s\u1edf d\u1eef li\u1ec7u ch\u00ednh s\u00e1ch b\u1ea3o m\u1eadt<\/strong>: C\u01a1 s\u1edf d\u1eef li\u1ec7u n\u00e0y ch\u1ee9a c\u00e1c quy t\u1eafc v\u00e0 ch\u00ednh s\u00e1ch quy \u0111\u1ecbnh c\u00e1ch th\u1ef1c hi\u1ec7n c\u00e1c quy\u1ebft \u0111\u1ecbnh truy c\u1eadp. N\u00f3 bao g\u1ed3m c\u00e1c quy t\u1eafc \u0111\u1ec3 \u0111\u1ecdc, vi\u1ebft, th\u1ef1c thi v\u00e0 c\u00e1c quy\u1ec1n kh\u00e1c.<\/p>\n<\/li>\n

  4. \n

    H\u1ea1t nh\u00e2n b\u1ea3o m\u1eadt<\/strong>: H\u1ea1t nh\u00e2n b\u1ea3o m\u1eadt l\u00e0 th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i ch\u1ecbu tr\u00e1ch nhi\u1ec7m th\u1ef1c thi c\u00e1c bi\u1ec7n ph\u00e1p ki\u1ec3m so\u00e1t truy c\u1eadp. N\u00f3 l\u00e0m trung gian cho c\u00e1c y\u00eau c\u1ea7u truy c\u1eadp v\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng ch\u00fang tu\u00e2n th\u1ee7 c\u00e1c ch\u00ednh s\u00e1ch b\u1ea3o m\u1eadt \u0111\u00e3 x\u00e1c \u0111\u1ecbnh.<\/p>\n<\/li>\n<\/ol>\n

    Khi ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c quy tr\u00ecnh c\u1ed1 g\u1eafng truy c\u1eadp t\u00e0i nguy\u00ean, nh\u00e2n b\u1ea3o m\u1eadt s\u1ebd ki\u1ec3m tra nh\u00e3n b\u1ea3o m\u1eadt v\u00e0 th\u00f4ng tin x\u00e1c nh\u1eadn \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh xem quy\u1ec1n truy c\u1eadp \u0111\u01b0\u1ee3c cho ph\u00e9p hay b\u1ecb t\u1eeb ch\u1ed1i.<\/p>\n

    Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a Ki\u1ec3m so\u00e1t truy c\u1eadp b\u1eaft bu\u1ed9c<\/h2>\n

    Ki\u1ec3m so\u00e1t truy c\u1eadp b\u1eaft bu\u1ed9c cung c\u1ea5p m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng ch\u00ednh gi\u00fap n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t c\u01a1 ch\u1ebf b\u1ea3o m\u1eadt m\u1ea1nh m\u1ebd:<\/p>\n

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      Ki\u1ec3m so\u00e1t t\u1eadp trung<\/strong>: MAC cho ph\u00e9p qu\u1ea3n tr\u1ecb vi\u00ean h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd t\u1eadp trung c\u00e1c quy\u1ec1n truy c\u1eadp, \u0111\u1ea3m b\u1ea3o tr\u1ea1ng th\u00e1i b\u1ea3o m\u1eadt nh\u1ea5t qu\u00e1n v\u00e0 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t tr\u00ean to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng.<\/p>\n<\/li>\n

    2. \n

      M\u00f4 h\u00ecnh b\u1ea3o m\u1eadt m\u1ea1nh m\u1ebd<\/strong>: B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng nh\u00e3n v\u00e0 th\u00f4ng tin x\u00e1c th\u1ef1c, MAC cung c\u1ea5p m\u00f4 h\u00ecnh b\u1ea3o m\u1eadt m\u1ea1nh m\u1ebd gi\u00fap ng\u0103n ch\u1eb7n truy c\u1eadp tr\u00e1i ph\u00e9p v\u00e0o c\u00e1c t\u00e0i nguy\u00ean nh\u1ea1y c\u1ea3m.<\/p>\n<\/li>\n

    3. \n

      Gi\u1ea3m thi\u1ec3u l\u1ed7i c\u1ee7a con ng\u01b0\u1eddi<\/strong>: V\u1edbi DAC, quy\u1ebft \u0111\u1ecbnh truy c\u1eadp \u0111\u01b0\u1ee3c giao cho t\u1eebng ng\u01b0\u1eddi d\u00f9ng, l\u00e0m t\u0103ng nguy c\u01a1 x\u1ea3y ra l\u1ed7i c\u1ee7a con ng\u01b0\u1eddi trong vi\u1ec7c thi\u1ebft l\u1eadp c\u00e1c quy\u1ec1n th\u00edch h\u1ee3p. MAC gi\u1ea3m thi\u1ec3u r\u1ee7i ro n\u00e0y b\u1eb1ng c\u00e1ch t\u1ef1 \u0111\u1ed9ng h\u00f3a ki\u1ec3m so\u00e1t truy c\u1eadp d\u1ef1a tr\u00ean c\u00e1c ch\u00ednh s\u00e1ch \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh tr\u01b0\u1edbc.<\/p>\n<\/li>\n

    4. \n

      B\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i c\u00e1c m\u1ed1i \u0111e d\u1ecda n\u1ed9i b\u1ed9<\/strong>: MAC \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch trong vi\u1ec7c b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i c\u00e1c m\u1ed1i \u0111e d\u1ecda n\u1ed9i b\u1ed9, v\u00ec ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng th\u1ec3 s\u1eeda \u0111\u1ed5i quy\u1ec1n truy c\u1eadp v\u00e0o c\u00e1c t\u00e0i nguy\u00ean n\u1eb1m ngo\u00e0i ph\u1ea1m vi b\u1ea3o m\u1eadt c\u1ee7a h\u1ecd.<\/p>\n<\/li>\n<\/ol>\n

      C\u00e1c lo\u1ea1i ki\u1ec3m so\u00e1t truy c\u1eadp b\u1eaft bu\u1ed9c<\/h2>\n

      C\u00f3 nhi\u1ec1u lo\u1ea1i Ki\u1ec3m so\u00e1t truy c\u1eadp b\u1eaft bu\u1ed9c kh\u00e1c nhau, m\u1ed7i lo\u1ea1i c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 c\u00e1ch tri\u1ec3n khai ri\u00eang. C\u00e1c lo\u1ea1i ph\u1ed5 bi\u1ebfn nh\u1ea5t bao g\u1ed3m:<\/p>\n\n\n\n\n\n\n\n\n
      Ki\u1ec3u<\/th>\nS\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n
      MAC t\u00f9y \u00fd (DMAC)<\/strong><\/td>\nK\u1ebft h\u1ee3p c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a MAC v\u00e0 DAC, cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng ki\u1ec3m so\u00e1t h\u1ea1n ch\u1ebf quy\u1ec1n truy c\u1eadp trong gi\u1edbi h\u1ea1n \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh tr\u01b0\u1edbc.<\/td>\n<\/tr>\n
      Ki\u1ec3m so\u00e1t truy c\u1eadp d\u1ef1a tr\u00ean vai tr\u00f2 (RBAC)<\/strong><\/td>\nT\u1ed5 ch\u1ee9c ng\u01b0\u1eddi d\u00f9ng th\u00e0nh c\u00e1c vai tr\u00f2 v\u00e0 ph\u00e2n quy\u1ec1n d\u1ef1a tr\u00ean tr\u00e1ch nhi\u1ec7m c\u1ee7a vai tr\u00f2.<\/td>\n<\/tr>\n
      Ki\u1ec3m so\u00e1t truy c\u1eadp d\u1ef1a tr\u00ean thu\u1ed9c t\u00ednh (ABAC)<\/strong><\/td>\nC\u00e1c quy\u1ebft \u0111\u1ecbnh truy c\u1eadp d\u1ef1a tr\u00ean c\u00e1c thu\u1ed9c t\u00ednh c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, t\u00e0i nguy\u00ean v\u00e0 m\u00f4i tr\u01b0\u1eddng, cho ph\u00e9p ki\u1ec3m so\u00e1t chi ti\u1ebft h\u01a1n.<\/td>\n<\/tr>\n
      B\u1ea3o m\u1eadt \u0111a c\u1ea5p (MLS)<\/strong><\/td>\nX\u1eed l\u00fd c\u00e1c t\u00e0i nguy\u00ean c\u00f3 m\u1ee9c \u0111\u1ed9 b\u1ea3o m\u1eadt kh\u00e1c nhau v\u00e0 ng\u0103n ch\u1eb7n r\u00f2 r\u1ec9 th\u00f4ng tin gi\u1eefa ch\u00fang.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      C\u00e1ch s\u1eed d\u1ee5ng Ki\u1ec3m so\u00e1t truy c\u1eadp b\u1eaft bu\u1ed9c, 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

      Vi\u1ec7c tri\u1ec3n khai Ki\u1ec3m so\u00e1t truy c\u1eadp b\u1eaft bu\u1ed9c tr\u00ean trang web c\u1ee7a nh\u00e0 cung c\u1ea5p m\u00e1y ch\u1ee7 proxy OneProxy mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch v\u1ec1 m\u1eb7t b\u1ea3o m\u1eadt v\u00e0 quy\u1ec1n ri\u00eang t\u01b0. Tuy nhi\u00ean, c\u00f3 th\u1ec3 c\u00f3 m\u1ed9t s\u1ed1 th\u00e1ch th\u1ee9c:<\/p>\n

      1. \u0110\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a vi\u1ec7c th\u1ef1c hi\u1ec7n<\/strong>: Vi\u1ec7c tri\u1ec3n khai MAC c\u00f3 th\u1ec3 ph\u1ee9c t\u1ea1p, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c h\u1ec7 th\u1ed1ng hi\u1ec7n t\u1ea1i kh\u00f4ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ban \u0111\u1ea7u cho n\u00f3. L\u1eadp k\u1ebf ho\u1ea1ch ph\u00f9 h\u1ee3p v\u00e0 t\u00edch h\u1ee3p v\u1edbi c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng hi\u1ec7n c\u00f3 l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/p>\n

      2. Chi ph\u00ed h\u00e0nh ch\u00ednh<\/strong>: Ki\u1ec3m so\u00e1t t\u1eadp trung y\u00eau c\u1ea7u qu\u1ea3n l\u00fd v\u00e0 duy tr\u00ec c\u1ea9n th\u1eadn c\u00e1c nh\u00e3n b\u1ea3o m\u1eadt, th\u00f4ng tin x\u00e1c th\u1ef1c v\u00e0 ch\u00ednh s\u00e1ch. C\u00f3 th\u1ec3 c\u1ea7n ph\u1ea3i c\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 th\u00edch \u1ee9ng v\u1edbi c\u00e1c y\u00eau c\u1ea7u b\u1ea3o m\u1eadt \u0111ang thay \u0111\u1ed5i.<\/p>\n

      3. V\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng th\u00edch<\/strong>: Vi\u1ec7c t\u00edch h\u1ee3p MAC v\u1edbi m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng ho\u1eb7c h\u1ec7 th\u1ed1ng c\u0169 c\u00f3 th\u1ec3 g\u00e2y ra nh\u1eefng th\u00e1ch th\u1ee9c v\u1ec1 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch. C\u00e1c gi\u1ea3i ph\u00e1p t\u00f9y ch\u1ec9nh ho\u1eb7c ph\u1ea7n m\u1ec1m trung gian c\u00f3 th\u1ec3 c\u1ea7n thi\u1ebft \u0111\u1ec3 gi\u1ea3i quy\u1ebft nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y.<\/p>\n

      4. C\u00e2n b\u1eb1ng gi\u1eefa b\u1ea3o m\u1eadt v\u00e0 kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng<\/strong>: T\u1ea1o s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa b\u1ea3o m\u1eadt nghi\u00eam ng\u1eb7t v\u00e0 kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft. Ki\u1ec3m so\u00e1t truy c\u1eadp qu\u00e1 h\u1ea1n ch\u1ebf c\u00f3 th\u1ec3 c\u1ea3n tr\u1edf n\u0103ng su\u1ea5t, trong khi ki\u1ec3m so\u00e1t l\u1ecfng l\u1ebbo c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn b\u1ea3o m\u1eadt.<\/p>\n

      \u0110\u1ec3 gi\u1ea3i quy\u1ebft nh\u1eefng th\u00e1ch th\u1ee9c n\u00e0y, OneProxy n\u00ean ti\u1ebfn h\u00e0nh \u0111\u00e1nh gi\u00e1 b\u1ea3o m\u1eadt to\u00e0n di\u1ec7n, x\u00e1c \u0111\u1ecbnh c\u00e1c t\u00e0i nguy\u00ean quan tr\u1ecdng v\u00e0 x\u00e1c \u0111\u1ecbnh c\u1ea9n th\u1eadn c\u00e1c ch\u00ednh s\u00e1ch truy c\u1eadp. Vi\u1ec7c ki\u1ec3m tra v\u00e0 gi\u00e1m s\u00e1t th\u01b0\u1eddng xuy\u00ean ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh b\u1ea3o m\u1eadt v\u00e0 tu\u00e2n th\u1ee7 li\u00ean t\u1ee5c.<\/p>\n

      C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 nh\u1eefng so s\u00e1nh kh\u00e1c v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1<\/h2>\n

      D\u01b0\u1edbi \u0111\u00e2y l\u00e0 so s\u00e1nh gi\u1eefa Ki\u1ec3m so\u00e1t truy c\u1eadp b\u1eaft bu\u1ed9c v\u00e0 c\u00e1c c\u01a1 ch\u1ebf ki\u1ec3m so\u00e1t truy c\u1eadp kh\u00e1c:<\/p>\n\n\n\n\n\n\n\n\n\n
      \u0111\u1eb7c tr\u01b0ng<\/th>\nKi\u1ec3m so\u00e1t truy c\u1eadp b\u1eaft bu\u1ed9c<\/th>\nKi\u1ec3m so\u00e1t truy c\u1eadp t\u00f9y \u00fd (DAC)<\/th>\nKi\u1ec3m so\u00e1t truy c\u1eadp d\u1ef1a tr\u00ean vai tr\u00f2 (RBAC)<\/th>\n<\/tr>\n<\/thead>\n
      Nguy\u00ean t\u1eafc \u0111i\u1ec1u khi\u1ec3n<\/strong><\/td>\nKi\u1ec3m so\u00e1t t\u1eadp trung<\/td>\nQuy\u1ec1n truy c\u1eadp do ng\u01b0\u1eddi d\u00f9ng ki\u1ec3m so\u00e1t<\/td>\nTruy c\u1eadp d\u1ef1a tr\u00ean vai tr\u00f2<\/td>\n<\/tr>\n
      Truy c\u1eadp ng\u01b0\u1eddi ra quy\u1ebft \u0111\u1ecbnh<\/strong><\/td>\nH\u1ea1t nh\u00e2n b\u1ea3o m\u1eadt<\/td>\nCh\u1ee7 s\u1edf h\u1eefu t\u00e0i nguy\u00ean (ng\u01b0\u1eddi d\u00f9ng)<\/td>\nPh\u00e2n c\u00f4ng vai tr\u00f2<\/td>\n<\/tr>\n
      M\u1ee9c \u0111\u1ed9 chi ti\u1ebft c\u1ee7a ki\u1ec3m so\u00e1t<\/strong><\/td>\nKi\u1ec3m so\u00e1t chi ti\u1ebft<\/td>\nKi\u1ec3m so\u00e1t chi ti\u1ebft th\u00f4<\/td>\nKi\u1ec3m so\u00e1t v\u1eeba ph\u1ea3i<\/td>\n<\/tr>\n
      Uy\u1ec3n chuy\u1ec3n<\/strong><\/td>\n\u00cdt linh ho\u1ea1t h\u01a1n<\/td>\nLinh ho\u1ea1t h\u01a1n<\/td>\nLinh ho\u1ea1t v\u1eeba ph\u1ea3i<\/td>\n<\/tr>\n
      \u0110\u1ed9 ph\u1ee9c t\u1ea1p<\/strong><\/td>\n\u0110\u1ed9 ph\u1ee9c t\u1ea1p cao<\/td>\n\u0110\u1ed9 ph\u1ee9c t\u1ea1p th\u1ea5p<\/td>\n\u0110\u1ed9 ph\u1ee9c t\u1ea1p v\u1eeba ph\u1ea3i<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 c\u1ee7a t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn ki\u1ec3m so\u00e1t truy c\u1eadp b\u1eaft bu\u1ed9c<\/h2>\n

      T\u01b0\u01a1ng lai c\u1ee7a Ki\u1ec3m so\u00e1t truy c\u1eadp b\u1eaft bu\u1ed9c \u0111\u1ea7y h\u1ee9a h\u1eb9n khi m\u1ed1i lo ng\u1ea1i v\u1ec1 b\u1ea3o m\u1eadt ti\u1ebfp t\u1ee5c gia t\u0103ng c\u00f9ng v\u1edbi nh\u1eefng ti\u1ebfn b\u1ed9 c\u00f4ng ngh\u1ec7. C\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi n\u1ed5i, nh\u01b0 H\u1ecdc m\u00e1y v\u00e0 Tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o MAC \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n m\u1ed1i \u0111e d\u1ecda v\u00e0 ki\u1ec3m so\u00e1t truy c\u1eadp th\u00edch \u1ee9ng. Ngo\u00e0i ra, nh\u1eefng ti\u1ebfn b\u1ed9 trong m\u00f4-\u0111un b\u1ea3o m\u1eadt ph\u1ea7n c\u1ee9ng v\u00e0 M\u00f4-\u0111un n\u1ec1n t\u1ea3ng \u0111\u00e1ng tin c\u1eady c\u00f3 th\u1ec3 t\u0103ng c\u01b0\u1eddng s\u1ee9c m\u1ea1nh c\u1ee7a nh\u00e2n b\u1ea3o m\u1eadt, c\u1ea3i thi\u1ec7n h\u01a1n n\u1eefa hi\u1ec7u qu\u1ea3 c\u1ee7a MAC.<\/p>\n

      C\u00e1ch s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft m\u00e1y ch\u1ee7 proxy v\u1edbi ki\u1ec3m so\u00e1t truy c\u1eadp b\u1eaft bu\u1ed9c<\/h2>\n

      M\u00e1y ch\u1ee7 proxy \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt v\u00e0 quy\u1ec1n ri\u00eang t\u01b0 cho ng\u01b0\u1eddi d\u00f9ng web. Khi k\u1ebft h\u1ee3p v\u1edbi Ki\u1ec3m so\u00e1t truy c\u1eadp b\u1eaft bu\u1ed9c, m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 cung c\u1ea5p th\u00eam m\u1ed9t l\u1edbp b\u1ea3o v\u1ec7 ch\u1ed1ng truy c\u1eadp tr\u00e1i ph\u00e9p. OneProxy, v\u1edbi t\u01b0 c\u00e1ch l\u00e0 nh\u00e0 cung c\u1ea5p m\u00e1y ch\u1ee7 proxy, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng MAC \u0111\u1ec3 h\u1ea1n ch\u1ebf quy\u1ec1n truy c\u1eadp v\u00e0o b\u1ea3ng qu\u1ea3n tr\u1ecb, d\u1eef li\u1ec7u ng\u01b0\u1eddi d\u00f9ng v\u00e0 c\u00e1c t\u00e0i nguy\u00ean nh\u1ea1y c\u1ea3m kh\u00e1c. B\u1eb1ng c\u00e1ch \u00e1p d\u1ee5ng c\u00e1c nguy\u00ean t\u1eafc MAC, OneProxy c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng ch\u1ec9 nh\u1eefng nh\u00e2n vi\u00ean \u0111\u01b0\u1ee3c \u1ee7y quy\u1ec1n m\u1edbi c\u00f3 th\u1ec3 qu\u1ea3n l\u00fd c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng proxy, gi\u1ea3m nguy c\u01a1 truy c\u1eadp tr\u00e1i ph\u00e9p v\u00e0 vi ph\u1ea1m d\u1eef li\u1ec7u.<\/p>\n

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

      \u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 Ki\u1ec3m so\u00e1t truy c\u1eadp b\u1eaft bu\u1ed9c, ng\u01b0\u1eddi \u0111\u1ecdc c\u00f3 th\u1ec3 kh\u00e1m ph\u00e1 c\u00e1c t\u00e0i nguy\u00ean sau:<\/p>\n

        \n
      1. Vi\u1ec7n Ti\u00eau chu\u1ea9n v\u00e0 C\u00f4ng ngh\u1ec7 Qu\u1ed1c gia (NIST) \u1ea4n b\u1ea3n \u0110\u1eb7c bi\u1ec7t 800-162<\/a><\/li>\n
      2. Ti\u00eau ch\u00ed \u0111\u00e1nh gi\u00e1 h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh \u0111\u00e1ng tin c\u1eady (The Orange Book)<\/a> (NIST)<\/li>\n
      3. Ki\u1ec3m so\u00e1t truy c\u1eadp d\u1ef1a tr\u00ean vai tr\u00f2 (RBAC)<\/a> (NIST)<\/li>\n
      4. Ki\u1ec3m so\u00e1t truy c\u1eadp d\u1ef1a tr\u00ean thu\u1ed9c t\u00ednh (ABAC)<\/a> (NIST)<\/li>\n<\/ol>\n

        T\u00f3m l\u1ea1i, Ki\u1ec3m so\u00e1t truy c\u1eadp b\u1eaft bu\u1ed9c l\u00e0 m\u1ed9t c\u01a1 ch\u1ebf b\u1ea3o m\u1eadt m\u1ea1nh m\u1ebd cung c\u1ea5p kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t t\u1eadp trung v\u00e0 b\u1ea3o v\u1ec7 m\u1ea1nh m\u1ebd ch\u1ed1ng l\u1ea1i truy c\u1eadp tr\u00e1i ph\u00e9p. B\u1eb1ng c\u00e1ch tri\u1ec3n khai MAC tr\u00ean trang web c\u1ee7a nh\u00e0 cung c\u1ea5p m\u00e1y ch\u1ee7 proxy OneProxy, t\u1ed5 ch\u1ee9c c\u00f3 th\u1ec3 t\u0103ng c\u01b0\u1eddng t\u00ecnh tr\u1ea1ng b\u1ea3o m\u1eadt c\u1ee7a m\u00ecnh v\u00e0 b\u1ea3o v\u1ec7 c\u00e1c t\u00e0i nguy\u00ean nh\u1ea1y c\u1ea3m c\u0169ng nh\u01b0 d\u1eef li\u1ec7u ng\u01b0\u1eddi d\u00f9ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. V\u1edbi nh\u1eefng ti\u1ebfn b\u1ed9 kh\u00f4ng ng\u1eebng trong c\u00f4ng ngh\u1ec7 b\u1ea3o m\u1eadt, t\u01b0\u01a1ng lai c\u1ee7a Ki\u1ec3m so\u00e1t truy c\u1eadp b\u1eaft bu\u1ed9c c\u00f3 v\u1ebb \u0111\u1ea7y h\u1ee9a h\u1eb9n trong b\u1ed1i c\u1ea3nh k\u1ef9 thu\u1eadt s\u1ed1 ng\u00e0y c\u00e0ng ph\u00e1t tri\u1ec3n.<\/p>","protected":false},"featured_media":477954,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-477953","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about Mandatory Access Control for the Website of the Proxy Server Provider OneProxy (oneproxy.pro)<\/mark>","faq_items":[{"question":"What is Mandatory Access Control (MAC)?","answer":"

        Mandatory Access Control (MAC) is a security mechanism used in computer systems to enforce restrictions on resource access based on predefined rules and policies. Unlike discretionary access control (DAC), where resource owners determine access permissions, MAC ensures that access decisions are made centrally by the system administrator.<\/p>"},{"question":"How did Mandatory Access Control originate?","answer":"

        The concept of Mandatory Access Control emerged in the early days of computer security and was formally introduced by the United States Department of Defense (DoD) in the 1970s. The Trusted Computer System Evaluation Criteria (TCSEC), also known as the Orange Book, outlined the criteria for evaluating computer security in government systems and introduced different security levels with mandatory controls.<\/p>"},{"question":"How does Mandatory Access Control work?","answer":"

        Mandatory Access Control operates by assigning security labels to resources and subjects in the system. These labels contain information about sensitivity levels and integrity. Users are assigned security clearances based on their roles and responsibilities. The security kernel, a core component of the operating system, enforces access control policies, ensuring that access requests comply with defined rules.<\/p>"},{"question":"What are the key features of Mandatory Access Control?","answer":"

        MAC offers several key features, including centralized control, strong security model, minimization of human error, and protection against insider threats. It allows system administrators to manage access permissions centrally, preventing unauthorized access to sensitive resources and reducing the risk of human error.<\/p>"},{"question":"What types of Mandatory Access Control exist?","answer":"

        There are several types of MAC, including Discretionary MAC (DMAC), Role-Based Access Control (RBAC), Attribute-Based Access Control (ABAC), and Multi-Level Security (MLS). Each type has its characteristics and implementations, providing various levels of control.<\/p>"},{"question":"How can MAC be used in OneProxy's website?","answer":"

        OneProxy, as a proxy server provider, can use Mandatory Access Control to restrict access to its administrative panel, user data, and other sensitive resources. By applying MAC principles, OneProxy ensures that only authorized personnel can manage the proxy infrastructure, enhancing security and privacy for its users.<\/p>"},{"question":"What are the potential challenges when using Mandatory Access Control?","answer":"

        Implementing MAC can be complex, especially in existing systems not initially designed for it. Careful planning and integration with the existing infrastructure are crucial. Additionally, balancing stringent security with usability and addressing compatibility issues may pose challenges.<\/p>"},{"question":"How does MAC compare with other access control mechanisms?","answer":"

        When compared to other access control mechanisms like Discretionary Access Control (DAC) and Role-Based Access Control (RBAC), MAC offers centralized control, fine-grained access control, and high complexity. It provides a more stringent and secure access control model.<\/p>"},{"question":"What does the future hold for Mandatory Access Control?","answer":"

        The future of Mandatory Access Control looks promising, with potential integration of emerging technologies such as Machine Learning and Artificial Intelligence to enhance threat detection and adaptive access control. Advancements in hardware security modules and Trusted Platform Modules may further bolster the efficacy of MAC.<\/p>"},{"question":"How does MAC enhance online security?","answer":"

        By implementing Mandatory Access Control, OneProxy's website ensures a robust security posture, safeguarding sensitive resources and user data against unauthorized access. MAC, combined with proxy servers, provides an additional layer of protection, enhancing online safety and control.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/477953","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\/477953\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/477954"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=477953"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}