{"id":476853,"date":"2023-08-09T09:04:34","date_gmt":"2023-08-09T09:04:34","guid":{"rendered":""},"modified":"2023-09-05T11:13:35","modified_gmt":"2023-09-05T11:13:35","slug":"discretionary-access-control","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/kr\/wiki\/discretionary-access-control\/","title":{"rendered":"\uc784\uc758 \uc811\uadfc \uc81c\uc5b4"},"content":{"rendered":"

DAC(Discretionary Access Control)\ub294 \ub370\uc774\ud130 \ub610\ub294 \ub9ac\uc18c\uc2a4\uc758 \uc18c\uc720\uc790\uac00 \uacb0\uc815\ud55c \uc561\uc138\uc2a4 \uc815\ucc45\uc744 \uc81c\uacf5\ud558\ub294 \uc77c\uc885\uc758 \uc561\uc138\uc2a4 \uc81c\uc5b4 \uc2dc\uc2a4\ud15c\uc785\ub2c8\ub2e4. \uc18c\uc720\uc790\ub294 \ub2e4\ub978 \uc0ac\uc6a9\uc790\ub098 \ud504\ub85c\uc138\uc2a4\uc5d0 \ub300\ud55c \uc561\uc138\uc2a4\ub97c \ud5c8\uc6a9\ud558\uac70\ub098 \uac70\ubd80\ud560 \uc7ac\ub7c9\uad8c\uc744 \uac16\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc784\uc758 \uc561\uc138\uc2a4 \uc81c\uc5b4\uc758 \ucc3d\uc2dc\uc640 \uc9c4\ud654<\/h2>\n

\uc784\uc758 \uc561\uc138\uc2a4 \uc81c\uc5b4\uc758 \uac1c\ub150\uc740 \uacf5\uc720 \ucef4\ud4e8\ud305 \uc2dc\uc2a4\ud15c\uc758 \ucd08\ucc3d\uae30, \ud2b9\ud788 1960\ub144\ub300\uc5d0 \uac1c\ubc1c\ub41c Multics(Multiplexed Information and Computing Service) \uc2dc\uc2a4\ud15c\uc73c\ub85c \uac70\uc2ac\ub7ec \uc62c\ub77c\uac11\ub2c8\ub2e4. Multics \uc2dc\uc2a4\ud15c\uc5d0\ub294 \uae30\ubcf8\uc801\uc778 \ud615\ud0dc\uc758 DAC\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc5c8\ub294\ub370, \uc774\ub294 \ub098\uc911\uc5d0 \ud604\ub300 \ucd9c\uc785 \ud1b5\uc81c \uc2dc\uc2a4\ud15c\uc758 \uc601\uac10\uc774 \ub418\uc5c8\uc2b5\ub2c8\ub2e4. DAC\ub294 1980\ub144\ub300 \ubbf8\uad6d \uad6d\ubc29\ubd80\uac00 DAC\ub97c \ud3ec\ud568\ud55c \uc5ec\ub7ec \uc218\uc900\uc758 \ubcf4\uc548 \ud1b5\uc81c\ub97c \uc815\uc758\ud55c "\uc624\ub80c\uc9c0 \ubd81"\uc744 \ubc1c\ud45c\ud558\uba74\uc11c \uacf5\uc2dd\ud654\ub41c \uac1c\ub150\uc774 \ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc784\uc758 \uc811\uadfc \uc81c\uc5b4\uc5d0 \ub300\ud55c \uc774\ud574 \ud655\ub300<\/h2>\n

\uc784\uc758 \uc561\uc138\uc2a4 \uc81c\uc5b4\ub294 \uc784\uc758 \uad8c\ud55c \uc6d0\uce59\uc744 \uae30\ubc18\uc73c\ub85c \ud569\ub2c8\ub2e4. \uc774\ub294 \ub370\uc774\ud130\ub098 \ub9ac\uc18c\uc2a4\ub97c \uc18c\uc720\ud55c \uac1c\uc778\uc774\ub098 \ubc95\uc778\uc774 \ud574\ub2f9 \ub370\uc774\ud130\ub098 \ub9ac\uc18c\uc2a4\uc5d0 \uc561\uc138\uc2a4\ud560 \uc218 \uc788\ub294 \uc0ac\ub78c\uc744 \uacb0\uc815\ud560 \uad8c\ud55c\uc774 \uc788\uc74c\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc774 \uc81c\uc5b4\ub294 \uc77d\uae30 \ubc0f \uc4f0\uae30 \uad8c\ud55c \ubaa8\ub450\ub85c \ud655\uc7a5\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. DAC\uc5d0\uc11c\ub294 \uc0ac\uc6a9\uc790 \ub610\ub294 \uc0ac\uc6a9\uc790 \uadf8\ub8f9\uc774 \ud2b9\uc815 \ub9ac\uc18c\uc2a4\uc5d0 \ub300\ud574 \uac16\ub294 \uc561\uc138\uc2a4 \uc885\ub958\ub97c \uc9c0\uc815\ud558\ub294 ACL(\uc561\uc138\uc2a4 \uc81c\uc5b4 \ubaa9\ub85d)\uc774 \uc720\uc9c0 \uad00\ub9ac\ub429\ub2c8\ub2e4.<\/p>\n

\uc784\uc758\uc801 \uc811\uadfc\ud1b5\uc81c\uc758 \ub0b4\ubd80 \uad6c\uc870\uc640 \uae30\ub2a5<\/h2>\n

DAC \ubaa8\ub378\uc740 \uc8fc\ub85c ACL(\uc561\uc138\uc2a4 \uc81c\uc5b4 \ubaa9\ub85d)\uacfc \uae30\ub2a5 \ud14c\uc774\ube14\uc774\ub77c\ub294 \ub450 \uac00\uc9c0 \uc8fc\uc694 \uad6c\uc131 \uc694\uc18c\uc5d0 \uc758\uc874\ud569\ub2c8\ub2e4. ACL\uc740 \uac01 \ub9ac\uc18c\uc2a4 \ub610\ub294 \uac1c\uccb4\uc640 \uc5f0\uacb0\ub418\uc5b4 \uc788\uc73c\uba70 \ubd80\uc5ec\ub41c \uad8c\ud55c\uacfc \ud568\uaed8 \uc8fc\uccb4(\uc0ac\uc6a9\uc790 \ub610\ub294 \ud504\ub85c\uc138\uc2a4) \ubaa9\ub85d\uc744 \ud3ec\ud568\ud569\ub2c8\ub2e4. \ubc18\uba74, \ub2a5\ub825 \ud14c\uc774\ube14\uc740 \ud2b9\uc815 \uc8fc\uccb4\uac00 \uc811\uadfc\ud560 \uc218 \uc788\ub294 \uac1d\uccb4 \ubaa9\ub85d\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n

\uc561\uc138\uc2a4 \uc694\uccad\uc774 \uc774\ub8e8\uc5b4\uc9c0\uba74 DAC \uc2dc\uc2a4\ud15c\uc740 ACL \ub610\ub294 \uae30\ub2a5 \ud14c\uc774\ube14\uc744 \ud655\uc778\ud558\uc5ec \uc694\uccad\uc790\uac00 \ub9ac\uc18c\uc2a4\uc5d0 \uc561\uc138\uc2a4\ud560 \uc218 \uc788\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4. ACL \ub610\ub294 \uae30\ub2a5 \ud14c\uc774\ube14\uc774 \uc561\uc138\uc2a4 \uad8c\ud55c\uc744 \ubd80\uc5ec\ud558\uba74 \uc694\uccad\uc774 \uc2b9\uc778\ub429\ub2c8\ub2e4. \uadf8\ub807\uc9c0 \uc54a\uc73c\uba74 \uac70\ubd80\ub429\ub2c8\ub2e4.<\/p>\n

\uc784\uc758 \uc811\uadfc \uc81c\uc5b4\uc758 \uc8fc\uc694 \ud2b9\uc9d5<\/h2>\n
    \n
  1. \uc18c\uc720\uc790 \uacb0\uc815 \uc561\uc138\uc2a4<\/strong>: \ub370\uc774\ud130 \ub610\ub294 \ub9ac\uc18c\uc2a4\uc758 \uc18c\uc720\uc790\uac00 \uc774\uc5d0 \uc561\uc138\uc2a4\ud560 \uc218 \uc788\ub294 \uc0ac\ub78c\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4.<\/li>\n
  2. \uc561\uc138\uc2a4 \uc81c\uc5b4 \ubaa9\ub85d<\/strong>: ACL\uc740 \uac01 \uc0ac\uc6a9\uc790 \ub610\ub294 \uc0ac\uc6a9\uc790 \uadf8\ub8f9\uc774 \uac16\ub294 \uc561\uc138\uc2a4 \uc885\ub958\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4.<\/li>\n
  3. \ub2a5\ub825 \ud14c\uc774\ube14<\/strong>: \uc774 \ud45c\uc5d0\ub294 \uc0ac\uc6a9\uc790 \ub610\ub294 \uc0ac\uc6a9\uc790 \uadf8\ub8f9\uc774 \uc561\uc138\uc2a4\ud560 \uc218 \uc788\ub294 \ub9ac\uc18c\uc2a4\uac00 \ub098\uc5f4\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n
  4. \uc720\uc5f0\uc131<\/strong>: \uc18c\uc720\uc790\ub294 \ud544\uc694\uc5d0 \ub530\ub77c \uad8c\ud55c\uc744 \uc27d\uac8c \ubcc0\uacbd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n
  5. \uc804\uc774\uc801 \uc561\uc138\uc2a4 \uc81c\uc5b4<\/strong>: \uc0ac\uc6a9\uc790\uac00 \ub9ac\uc18c\uc2a4\uc5d0 \ub300\ud55c \uc561\uc138\uc2a4 \uad8c\ud55c\uc744 \uac16\uace0 \uc788\ub294 \uacbd\uc6b0 \uc7a0\uc7ac\uc801\uc73c\ub85c \ub2e4\ub978 \uc0ac\uc6a9\uc790\uc5d0\uac8c \uc561\uc138\uc2a4 \uad8c\ud55c\uc744 \ubd80\uc5ec\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ol>\n

    \uc784\uc758 \uc811\uadfc \uc81c\uc5b4 \uc720\ud615<\/h2>\n

    DAC\ub294 \ub2e4\uc591\ud55c \ubc29\uc2dd\uc73c\ub85c \uad6c\ud604\ub420 \uc218 \uc788\uc9c0\ub9cc \uac00\uc7a5 \uc77c\ubc18\uc801\uc778 \ub450 \uac00\uc9c0 \uc811\uadfc \ubc29\uc2dd\uc740 ACL\uacfc \uae30\ub2a5 \ubaa9\ub85d\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n\n\n\n
    \uc811\uadfc\ud558\ub2e4<\/th>\n\uc124\uba85<\/th>\n<\/tr>\n<\/thead>\n
    ACL(\uc561\uc138\uc2a4 \uc81c\uc5b4 \ubaa9\ub85d)<\/td>\nACL\uc740 \uac1d\uccb4(\uc608: \ud30c\uc77c)\uc5d0 \uc5f0\uacb0\ub418\uc5b4 \uc788\uc73c\uba70 \uac1d\uccb4\uc5d0 \uc561\uc138\uc2a4\ud560 \uc218 \uc788\ub294 \uc0ac\uc6a9\uc790\uc640 \uac1d\uccb4\uc5d0 \ub300\ud574 \uc218\ud589\ud560 \uc218 \uc788\ub294 \uc791\uc5c5\uc744 \uc9c0\uc815\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n
    \uae30\ub2a5 \ubaa9\ub85d<\/td>\n\uae30\ub2a5 \ubaa9\ub85d\uc740 \uc0ac\uc6a9\uc790\uc640 \uc5f0\uacb0\ub418\uc5b4 \uc788\uc73c\uba70 \uc0ac\uc6a9\uc790\uac00 \uc561\uc138\uc2a4\ud560 \uc218 \uc788\ub294 \uac1c\uccb4\uc640 \ud574\ub2f9 \uac1c\uccb4\uc5d0 \ub300\ud574 \uc218\ud589\ud560 \uc218 \uc788\ub294 \uc791\uc5c5\uc744 \uc9c0\uc815\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \uc784\uc758 \uc811\uadfc \uc81c\uc5b4\uc758 \uc801\uc6a9, \uacfc\uc81c \ubc0f \uc194\ub8e8\uc158<\/h2>\n

    DAC\ub294 Windows \ubc0f UNIX\uc640 \uac19\uc740 \ub300\ubd80\ubd84\uc758 \uc6b4\uc601 \uccb4\uc81c \ubc0f \ud30c\uc77c \uc2dc\uc2a4\ud15c\uc5d0\uc11c \ub110\ub9ac \uc0ac\uc6a9\ub418\ubbc0\ub85c \uc0ac\uc6a9\uc790\ub294 \uc120\ud0dd\ud55c \uac1c\uc778 \ub610\ub294 \uadf8\ub8f9\uacfc \ud30c\uc77c \ubc0f \ub9ac\uc18c\uc2a4\ub97c \uacf5\uc720\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

    DAC\uc758 \uc8fc\uc694 \uacfc\uc81c \uc911 \ud558\ub098\ub294 \ud504\ub85c\uadf8\ub7a8\uc774 \uc758\ub3c4\uce58 \uc54a\uac8c \uc561\uc138\uc2a4 \uad8c\ud55c\uc744 \uc720\ucd9c\ud560 \uc218 \uc788\ub294 "\ub300\ub9ac\uc778 \ud63c\ub780 \ubb38\uc81c"\uc785\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc0ac\uc6a9\uc790\ub294 \ub354 \ub9ce\uc740 \uc561\uc138\uc2a4 \uad8c\ud55c\uc744 \uac00\uc9c4 \ud504\ub85c\uadf8\ub7a8\uc744 \uc18d\uc5ec \uc0ac\uc6a9\uc790\ub97c \ub300\uc2e0\ud558\uc5ec \uc791\uc5c5\uc744 \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \ubb38\uc81c\ub294 \uc2e0\uc911\ud55c \ud504\ub85c\uadf8\ub798\ubc0d\uacfc \uc2dc\uc2a4\ud15c \uad8c\ud55c\uc758 \uc801\uc808\ud55c \uc0ac\uc6a9\uc73c\ub85c \uc644\ud654\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

    \ub610 \ub2e4\ub978 \ubb38\uc81c\ub294 \ub9ac\uc18c\uc2a4\uc5d0 \ub300\ud55c \uc561\uc138\uc2a4 \uad8c\ud55c\uc774 \uc788\ub294 \uc0ac\uc6a9\uc790\uac00 \uc7a0\uc7ac\uc801\uc73c\ub85c \ub2e4\ub978 \uc0ac\ub78c\uc5d0\uac8c \ud574\ub2f9 \uc561\uc138\uc2a4 \uad8c\ud55c\uc744 \ubd80\uc5ec\ud560 \uc218 \uc788\uae30 \ub54c\ubb38\uc5d0 \uc561\uc138\uc2a4 \uad8c\ud55c\uc774 \ud1b5\uc81c\ub418\uc9c0 \uc54a\uace0 \uc2e0\uc18d\ud558\uac8c \uc804\ud30c\ub420 \uac00\ub2a5\uc131\uc774 \uc788\ub2e4\ub294 \uac83\uc785\ub2c8\ub2e4. \uc774\ub294 \uc801\uc808\ud55c \uad50\uc721\uacfc \ud6c8\ub828\uc740 \ubb3c\ub860 \uc774\ub7ec\ud55c \uc804\ud30c\ub97c \uc81c\ud55c\ud558\ub294 \uc2dc\uc2a4\ud15c \uc218\uc900 \uc81c\uc5b4\ub97c \ud1b5\ud574 \ud574\uacb0\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

    \uc784\uc758\uc801 \uc811\uadfc \ud1b5\uc81c\uc640 \uc720\uc0ac \uc6a9\uc5b4 \ube44\uad50<\/h2>\n\n\n\n\n\n\n\n
    \uc6a9\uc5b4<\/th>\n\uc124\uba85<\/th>\n<\/tr>\n<\/thead>\n
    \uc784\uc758 \uc561\uc138\uc2a4 \uc81c\uc5b4(DAC)<\/td>\n\uc18c\uc720\uc790\ub294 \uc790\uc2e0\uc758 \ub370\uc774\ud130\uc640 \ub9ac\uc18c\uc2a4\ub97c \uc644\uc804\ud788 \ud1b5\uc81c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/td>\n<\/tr>\n
    \uac15\uc81c \uc561\uc138\uc2a4 \uc81c\uc5b4(MAC)<\/td>\n\uc911\uc559 \uc9d1\uc911\uc2dd \uc815\ucc45\uc740 \ubd84\ub958 \uc218\uc900\uc5d0 \ub530\ub77c \uc561\uc138\uc2a4\ub97c \uc81c\ud55c\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n
    \uc5ed\ud560 \uae30\ubc18 \uc561\uc138\uc2a4 \uc81c\uc5b4(RBAC)<\/td>\n\uc561\uc138\uc2a4\ub294 \uc870\uc9c1 \ub0b4 \uc0ac\uc6a9\uc790\uc758 \uc5ed\ud560\uc5d0 \ub530\ub77c \uacb0\uc815\ub429\ub2c8\ub2e4.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \uc784\uc758\uc801 \uc811\uadfc\ud1b5\uc81c \uad00\ub828 \ubbf8\ub798 \uc804\ub9dd\uacfc \uae30\uc220<\/h2>\n

    DAC\uc758 \ubbf8\ub798\ub294 \ud074\ub77c\uc6b0\ub4dc \uae30\ubc18 \ud50c\ub7ab\ud3fc\uacfc \uc0ac\ubb3c \uc778\ud130\ub137(IoT) \uc7a5\uce58\uc758 \uc778\uae30\uac00 \ub192\uc544\uc9d0\uc5d0 \ub530\ub77c \uc9c4\ud654\ud560 \uac00\ub2a5\uc131\uc774 \ub192\uc2b5\ub2c8\ub2e4. \uad8c\ud55c\uc5d0 \ub300\ud55c \ubcf4\ub2e4 \uc138\ubd80\uc801\uc778 \uc81c\uc5b4\ub97c \uc81c\uacf5\ud558\ub294 \uc138\ubd84\ud654\ub41c \uc561\uc138\uc2a4 \uc81c\uc5b4\uac00 \ub354\uc6b1 \ubcf4\ud3b8\ud654\ub420 \uac83\uc73c\ub85c \uc608\uc0c1\ub429\ub2c8\ub2e4. \ub610\ud55c \uae30\uacc4 \ud559\uc2b5 \ubc0f AI \uae30\uc220\uc774 \ubc1c\uc804\ud568\uc5d0 \ub530\ub77c \ubcc0\ud654\ud558\ub294 \uc561\uc138\uc2a4 \uc694\uad6c \uc0ac\ud56d\uc744 \ud559\uc2b5\ud558\uace0 \uc774\uc5d0 \uc801\uc751\ud560 \uc218 \uc788\ub294 DAC \uc2dc\uc2a4\ud15c\uc744 \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

    \ud504\ub85d\uc2dc \uc11c\ubc84 \ubc0f \uc784\uc758 \uc561\uc138\uc2a4 \uc81c\uc5b4<\/h2>\n

    \ud504\ub85d\uc2dc \uc11c\ubc84\ub294 DAC \uc6d0\uce59\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc6f9 \ub9ac\uc18c\uc2a4\uc5d0 \ub300\ud55c \uc561\uc138\uc2a4\ub97c \uc81c\uc5b4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ud68c\uc0ac\ub294 \ud2b9\uc815 \uc6f9\uc0ac\uc774\ud2b8\ub098 \uc6f9 \uae30\ubc18 \uc11c\ube44\uc2a4\uc5d0 \ub300\ud55c \uc561\uc138\uc2a4\ub97c \ud5c8\uc6a9\ud558\uae30 \uc804\uc5d0 \uc0ac\uc6a9\uc790\uc758 \uc2e0\uc6d0\uacfc \uc5ed\ud560\uc744 \ud655\uc778\ud558\ub294 \ud504\ub85d\uc2dc \uc11c\ubc84\ub97c \uc124\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc2b9\uc778\ub41c \uc9c1\uc6d0\ub9cc \ud2b9\uc815 \uc628\ub77c\uc778 \ub9ac\uc18c\uc2a4\uc5d0 \uc561\uc138\uc2a4\ud560 \uc218 \uc788\ub3c4\ub85d \ud558\uc5ec \ucd94\uac00\uc801\uc778 \ubcf4\uc548 \uacc4\uce35\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n

    \uad00\ub828\ub41c \ub9c1\ud06c\ub4e4<\/h2>\n
      \n
    1. \ucef4\ud4e8\ud130 \ubcf4\uc548: \uc608\uc220\uacfc \uacfc\ud559<\/a> \uc791\uc131\uc790: Matt Bishop: \uc561\uc138\uc2a4 \uc81c\uc5b4\ub97c \ud3ec\ud568\ud55c \ucef4\ud4e8\ud130 \ubcf4\uc548\uc5d0 \ub300\ud55c \ud3ec\uad04\uc801\uc778 \ub9ac\uc18c\uc2a4\uc785\ub2c8\ub2e4.<\/li>\n
    2. \uc784\uc758 \uc561\uc138\uc2a4 \uc81c\uc5b4 \uc774\ud574 \ubc0f \uc0ac\uc6a9<\/a>: DAC\ub97c \uc790\uc138\ud788 \uc0b4\ud3b4\ubcf4\ub294 CSO\uc758 \uae30\uc0ac\uc785\ub2c8\ub2e4.<\/li>\n
    3. NIST \ud2b9\ubcc4 \uac04\ud589\ubb3c 800-12<\/a>: \ubbf8\uad6d \uad6d\ub9bd\ud45c\uc900\uae30\uc220\uc5f0\uad6c\uc18c(National Institute of Standards and Technology)\uc758 DAC\uc5d0 \ub300\ud55c \ub17c\uc758\ub97c \ud3ec\ud568\ud55c \ucef4\ud4e8\ud130 \ubcf4\uc548 \uac00\uc774\ub4dc\uc785\ub2c8\ub2e4.<\/li>\n
    4. \uc561\uc138\uc2a4 \uc81c\uc5b4 \ubaa8\ub378<\/a>: O'Reilly Media\uc758 \ub2e4\uc591\ud55c \uc811\uadfc \ud1b5\uc81c \ubaa8\ub378\uc5d0 \ub300\ud55c \uc790\uc138\ud55c \uac00\uc774\ub4dc\uc785\ub2c8\ub2e4.<\/li>\n
    5. DAC, MAC \ubc0f RBAC<\/a>: DAC, MAC \ubc0f RBAC \ubaa8\ub378\uc744 \ube44\uad50\ud558\ub294 \uacfc\ud559 \uae30\uc0ac\uc785\ub2c8\ub2e4.<\/li>\n<\/ol>","protected":false},"featured_media":476854,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476853","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about Discretionary Access Control: A Comprehensive Guide<\/mark>","faq_items":[{"question":"What is Discretionary Access Control (DAC)?","answer":"

      Discretionary Access Control (DAC) is a type of access control system where the access policy is determined by the owner of the data or resource. The owner has the discretion to grant or deny access to other users or processes.<\/p>"},{"question":"When was Discretionary Access Control first introduced?","answer":"

      The concept of Discretionary Access Control dates back to the earliest days of shared computing systems, particularly in the Multics (Multiplexed Information and Computing Service) system developed in the 1960s. DAC became a formalized concept with the release of the United States Department of Defense's \"Orange Book\" in the 1980s.<\/p>"},{"question":"How does Discretionary Access Control work?","answer":"

      Discretionary Access Control works based on Access Control Lists (ACLs) and capability tables. When an access request is made, the DAC system checks the ACL or the capability table to verify if the requester is allowed to access the resource.<\/p>"},{"question":"What are the key features of Discretionary Access Control?","answer":"

      The key features of Discretionary Access Control include owner-determined access, the use of Access Control Lists and capability tables, flexibility in permissions, and the principle of transitive access control.<\/p>"},{"question":"What types of Discretionary Access Control exist?","answer":"

      The two most common types of Discretionary Access Control are Access Control Lists (ACLs), which are tied to an object and specify user permissions, and Capability Lists, which are tied to a user and specify what objects they can access.<\/p>"},{"question":"What are some challenges related to Discretionary Access Control, and how are they mitigated?","answer":"

      A key challenge with DAC is the \"confused deputy problem,\" where a program can unintentionally leak access rights. This can be mitigated by careful programming and proper use of system privileges. Another problem is rapid, uncontrolled propagation of access rights, which can be addressed through proper education and training, as well as system-level controls.<\/p>"},{"question":"How does Discretionary Access Control compare to similar terms like Mandatory Access Control and Role-Based Access Control?","answer":"

      While DAC allows owners total control over their data, Mandatory Access Control (MAC) uses a centralized policy to restrict access based on classification levels, and Role-Based Access Control (RBAC) determines access based on a user's role within the organization.<\/p>"},{"question":"How might Discretionary Access Control evolve in the future?","answer":"

      The future of DAC is expected to evolve with the increasing popularity of cloud-based platforms and Internet of Things (IoT) devices. Fine-grained access control and DAC systems that can learn and adapt to changing access needs may become more common.<\/p>"},{"question":"How can proxy servers use Discretionary Access Control?","answer":"

      Proxy servers can use DAC principles to control access to web resources. A company might set up a proxy server that checks the user's identity and role before allowing access to certain websites or web-based services.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/wiki\/476853","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/wiki\/476853\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/media\/476854"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/media?parent=476853"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}