{"id":82938,"date":"2026-03-10T16:30:00","date_gmt":"2026-03-10T07:30:00","guid":{"rendered":"https:\/\/www.creationline.com\/tech-blog\/?p=82938"},"modified":"2026-03-19T12:09:24","modified_gmt":"2026-03-19T03:09:24","slug":"%e5%bc%b7%e5%88%b6%e3%82%a2%e3%82%af%e3%82%bb%e3%82%b9%e5%88%b6%e5%be%a1-mac-%e3%81%a3%e3%81%a6%e3%81%aa%e3%81%ab","status":"publish","type":"post","link":"https:\/\/www.creationline.com\/tech-blog\/glossary\/82938","title":{"rendered":"\u5f37\u5236\u30a2\u30af\u30bb\u30b9\u5236\u5fa1 (MAC) \u3063\u3066\u306a\u306b"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u80cc\u666f<\/h2>\n\n\n\n<p>\u5f37\u5236\u30a2\u30af\u30bb\u30b9\u5236\u5fa1 (Mandatory Access Control, MAC) \u3092\u5b9f\u73fe\u3059\u308b\u30b7\u30b9\u30c6\u30e0\u306b\u306f\u3001Linux\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b7\u30b9\u30c6\u30e0\u3067\u3042\u308b\u300cSELinux\u300d\u304c\u3042\u308a\u307e\u3059\u3002\u4ee5\u524d\u304b\u3089SELinux\u306b\u3064\u3044\u3066\u6c17\u306b\u306a\u3063\u3066\u3044\u305f\u306e\u3067\u3059\u304c\u3001\u305d\u3082\u305d\u3082\u300c\u5f37\u5236\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u300d\u3068\u306f\u4f55\u304b\u3057\u3063\u304b\u308a\u7406\u89e3\u3057\u3066\u3044\u306a\u3044\u3068\u611f\u3058\u305f\u306e\u3067\u8abf\u3079\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u3063\u3066\u306a\u306b<\/h2>\n\n\n\n<p><a href=\"https:\/\/crexgroup.com\/ja\/security\/risk\/what-is-access-control\/#google_vignette\" target=\"_blank\" rel=\"noreferrer noopener\">CREX\u3055\u3093\u306e\u8a18\u4e8b<\/a>\u306b\u3088\u308c\u3070\u3001\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u3068\u306f<strong>\u300c\u8a31\u53ef\u3055\u308c\u305f\u4eba\u304c\u3001\u8a31\u53ef\u3055\u308c\u305f\u60c5\u5831\u306b\u3060\u3051\u3001\u8a31\u53ef\u3055\u308c\u305f\u65b9\u6cd5\u3067\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u7ba1\u7406\u3059\u308b\u3053\u3068\u300d<\/strong>\u3060\u305d\u3046\u3067\u3059\u3002\u81ea\u5206\u3067\u306f\u4e0b\u8a18\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u300c\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u300d\u3055\u308c\u3066\u3044\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7279\u5b9a\u306e\u30e6\u30fc\u30b6\u30fc\u306e\u307f\u3001\u305d\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u306b\u30ed\u30b0\u30a4\u30f3\u3067\u304d\u3001\u307e\u305f\u305d\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u8a31\u3055\u308c\u305f\u30ea\u30bd\u30fc\u30b9\u306b\u3060\u3051\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b<\/li>\n\n\n\n<li>SNS\u3067\u3001\u30a2\u30ab\u30a6\u30f3\u30c8\u7ba1\u7406\u8005\u3060\u3051\u304c\u305d\u306e\u30a2\u30ab\u30a6\u30f3\u30c8\u3067\u6295\u7a3f\u3067\u304d\u308b<\/li>\n\n\n\n<li>\u52d5\u753b\u914d\u4fe1\u30b5\u30fc\u30d3\u30b9\u3067\u3001\u5951\u7d04\u8005\u3060\u3051\u304c\u52d5\u753b\u3092\u8996\u8074\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b<\/li>\n<\/ul>\n\n\n\n<p>\u9006\u306b\u3001\u300c\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u300d\u3055\u308c\u3066\u3044\u306a\u3044\u3082\u306e\u3082\u601d\u3044\u3064\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5171\u7528\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf<\/li>\n\n\n\n<li>\u8ab0\u3067\u3082\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\n<ul class=\"wp-block-list\">\n<li>\u305f\u3060\u3057\u3001\u7279\u5b9a\u306e\u5730\u57df\u3084IP\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u306e\u30a2\u30af\u30bb\u30b9\u3092\u5f3e\u304f\u5834\u5408\u3001\u300c\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u300d\u3057\u3066\u3044\u308b\u3068\u8a00\u3048\u308b\u304b\u3082\u3057\u308c\u306a\u3044<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u4efb\u610f\u30a2\u30af\u30bb\u30b9\u5236\u5fa1 (DAC)\u3063\u3066\u306a\u306b<\/h2>\n\n\n\n<p>\u5f37\u5236\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u306e\u524d\u306b\u3001\u4efb\u610f\u30a2\u30af\u30bb\u30b9\u5236\u5fa1 (Discretionary Access Control, DAC) \u306b\u3064\u3044\u3066\u8ff0\u3079\u307e\u3059\u3002\u4efb\u610f\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u306f\u5f37\u5236\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u3068\u5bfe\u306b\u306a\u308b\u6982\u5ff5\u3067\u3001\u3042\u308b\u30ea\u30bd\u30fc\u30b9\u306b\u5bfe\u3059\u308b\u30a2\u30af\u30bb\u30b9\u306f\u3001\u305d\u306e\u30ea\u30bd\u30fc\u30b9\u306e\u6240\u6709\u8005\u304c\u81ea\u7531\u306b\u5236\u5fa1\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4efb\u610f\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u306e\u4f8b<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>UNIX\u3084Linux\u306e\u30d5\u30a1\u30a4\u30eb\u30d1\u30fc\u30df\u30c3\u30b7\u30e7\u30f3\n<ul class=\"wp-block-list\">\n<li>\u30d5\u30a1\u30a4\u30eb\u306b\u306f\u6240\u6709\u30e6\u30fc\u30b6\u30fc\u3068\u6240\u6709\u30b0\u30eb\u30fc\u30d7\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u304a\u308a\u3001\u6240\u6709\u30e6\u30fc\u30b6\u30fc\u3068\u6240\u6709\u30b0\u30eb\u30fc\u30d7 (\u3068root\u30e6\u30fc\u30b6\u30fc) \u306f\u3001\u305d\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u5bfe\u3059\u308b\u30a2\u30af\u30bb\u30b9\u3092\u81ea\u7531\u306b\u8a2d\u5b9a\u3067\u304d\u308b\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p>\u3069\u306e\u3042\u305f\u308a\u304c\u300c\u4efb\u610f\u300d\u306a\u306e\u304b\u3068\u3044\u3046\u3068\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u81ea\u5df1\u306e\u6240\u6709\u3059\u308b\u30ea\u30bd\u30fc\u30b9\u306b\u5bfe\u3057\u3001\u81ea\u7531\u306b\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u3092\u304b\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u88c1\u91cf\u3092\u6301\u3064\u70b9\u304c\u300c\u4efb\u610f\u300d\u3060\u305d\u3046\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5f37\u5236\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u3063\u3066\u306a\u306b<\/h2>\n\n\n\n<p>\u5f37\u5236\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u3067\u306f\u3001\u30ea\u30bd\u30fc\u30b9\u306e\u6240\u6709\u8005\u3067\u3042\u3063\u3066\u3082\u305d\u306e\u30ea\u30bd\u30fc\u30b9\u306b\u5bfe\u3059\u308b\u30a2\u30af\u30bb\u30b9\u3092\u81ea\u7531\u306b\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002\u30a2\u30af\u30bb\u30b9\u8a2d\u5b9a\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u3084\u7d44\u7e54\u306e\u30dd\u30ea\u30b7\u30fc\u306b\u3088\u3063\u3066\u5236\u9650\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5f37\u5236\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u306e\u5b9f\u88c5\u306e\u4f8b<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SELinux (Security-Enhanced Linux)\n<ul class=\"wp-block-list\">\n<li>\u30a2\u30e1\u30ea\u30ab\u56fd\u5bb6\u5b89\u5168\u4fdd\u969c\u5c40 (NSA) \u304c\u958b\u767a\u3057\u305f\u3001Linux\u306b\u5f37\u5236\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u6a5f\u80fd\u3092\u8ffd\u52a0\u3059\u308b\u30e2\u30b8\u30e5\u30fc\u30eb\u3002\u8a2d\u5b9a\u306e\u96e3\u3057\u3055\u304b\u3089\u304b\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u3066\u3082\u7121\u52b9\u5316\u3055\u308c\u304c\u3061\u306a\u5370\u8c61\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>AppArmor\n<ul class=\"wp-block-list\">\n<li>Canonical\u304c\u958b\u767a\u3057\u305f\u3001Linux\u306b\u5f37\u5236\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u6a5f\u80fd\u3092\u8ffd\u52a0\u3059\u308b\u30e2\u30b8\u30e5\u30fc\u30eb\u3002Ubuntu\u306b\u30c7\u30d5\u30a9\u30eb\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30d1\u30b9\u30d9\u30fc\u30b9\u306e\u30eb\u30fc\u30eb\u3067\u3001SELinux\u3088\u308a\u3082\u308f\u304b\u308a\u3084\u3059\u3044\u306e\u304c\u7279\u5fb4\u3060\u305d\u3046\u3067\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u88dc\u8db3<\/h2>\n\n\n\n<p>\u5f37\u5236\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u3067\u306f\u300c\u30ea\u30bd\u30fc\u30b9\u306e\u6240\u6709\u8005\u3067\u3042\u3063\u3066\u3082\u305d\u306e\u30ea\u30bd\u30fc\u30b9\u306b\u5bfe\u3059\u308b\u30a2\u30af\u30bb\u30b9\u3092\u81ea\u7531\u306b\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u300d\u306a\u3044\u306e\u3067\u3059\u304c\u3001\u4f8b\u3048\u3070\u30d5\u30a1\u30a4\u30eb\u306b\u5f93\u6765\u306e\u30d5\u30a1\u30a4\u30eb\u30d1\u30fc\u30df\u30c3\u30b7\u30e7\u30f3\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u4e0d\u53ef\u80fd\u306b\u306a\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u300c\u5f93\u6765\u306e\u30d5\u30a1\u30a4\u30eb\u30d1\u30fc\u30df\u30c3\u30b7\u30e7\u30f3\u300d\u3068\u300c\u5f37\u5236\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u306b\u3088\u308b\u8a8d\u53ef\u300d\u306f\u4e21\u65b9\u3068\u3082\u6709\u52b9\u306b\u306a\u308a\u307e\u3059\u3002RedHat\u3055\u3093\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8 <a href=\"https:\/\/docs.redhat.com\/en\/documentation\/red_hat_enterprise_linux\/7\/html\/selinux_users_and_administrators_guide\/sect-security-enhanced_linux-working_with_selinux-selinux_contexts_labeling_files\" target=\"_blank\" rel=\"noreferrer noopener\">4.7.\u00a0SELinux Contexts \u2013 Labeling Files<\/a> \u3092\u898b\u308b\u3068\u3001\u6b21\u306e\u3088\u3046\u306a\u8a18\u8f09\u304c\u3042\u308a\u307e\u3059:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>SELinux policy rules are checked after DAC rules. SELinux policy rules are not used if DAC rules deny access first.<\/p>\n<\/blockquote>\n\n\n\n<p>\u3064\u307e\u308a\u3001\u5f93\u6765\u306e\u30d5\u30a1\u30a4\u30eb\u30d1\u30fc\u30df\u30c3\u30b7\u30e7\u30f3\u306b\u3088\u308b\u8a8d\u53ef\u51e6\u7406\u304c\u884c\u308f\u308c\u305f\u5f8c\u306bSELinux\u30dd\u30ea\u30b7\u30fc\u306b\u3088\u308b\u8a8d\u53ef\u304c\u884c\u308f\u308c\u307e\u3059\u3002\u3053\u3053\u306f\u6238\u60d1\u3046\u30dd\u30a4\u30f3\u30c8\u304b\u3082\u3057\u308c\u307e\u305b\u3093 (\u79c1\u306f\u6238\u60d1\u3044\u307e\u3057\u305f)<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u611f\u60f3<\/h2>\n\n\n\n<p>(\u6ce8\u610f: \u4ee5\u4e0b\u306f\u79c1\u306e\u611f\u60f3\u3067\u3059\u3002\u9593\u9055\u3063\u305f\u3053\u3068\u304c\u66f8\u304b\u308c\u3066\u3044\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002)<\/p>\n\n\n\n<p>SELinux (\u3092\u542b\u3080\u5f37\u5236\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u6280\u8853) \u306f\u3001\u300croot\u6a29\u9650\u3067\u52d5\u4f5c\u3059\u308bWeb\u30b5\u30fc\u30d0\u30fc\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u4e57\u3063\u53d6\u3089\u308c\u3066\u3082\u3001\/var\/www\/html \u4ee5\u5916\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u300d\u3068\u3044\u3063\u305f\u30b7\u30ca\u30ea\u30aa\u3067\u52b9\u679c\u3092\u767a\u63ee\u3057\u3066\u304d\u305f\u3088\u3046\u306b\u8a18\u61b6\u3057\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u6700\u8fd1\u3060\u3068<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b5\u30fc\u30d0\u30fc\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3082\u975eroot\u30e6\u30fc\u30b6\u30fc\u3067\u52d5\u4f5c\u3055\u305b\u308b<\/li>\n\n\n\n<li>\u30b5\u30fc\u30d0\u30fc\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u30db\u30b9\u30c8\u3067\u76f4\u63a5\u5b9f\u884c\u305b\u305a\u3001\u30b3\u30f3\u30c6\u30ca\u3067\u5b9f\u884c\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<p>\u3068\u3044\u3046\u3088\u3046\u306a\u5bfe\u7b56\u304c\u53d6\u3089\u308c\u3064\u3064\u3042\u308a\u3001\u5f93\u6765\u306e\u3088\u3046\u306a\u30b7\u30ca\u30ea\u30aa\u306b\u304a\u3044\u3066\u306fSELinux\u306e\u4f7f\u7528\u306f\u904e\u5270\u3067\u306f\u306a\u3044\u304b\u3068\u601d\u3044\u307e\u3057\u305f\u3002\u3082\u3061\u308d\u3093\u3001SELinux\u306f\u7c92\u5ea6\u306e\u9ad8\u3044\u30a2\u30af\u30bb\u30b9\u5236\u5fa1 (\u30d5\u30a1\u30a4\u30eb\u5358\u4f4d\u306e\u30a2\u30af\u30bb\u30b9\u5236\u5fa1) \u3092\u63d0\u4f9b\u3057\u307e\u3059\u3057\u3001\u307e\u305f\u30b3\u30f3\u30c6\u30ca\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u3046\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u304c\u3001\u8a2d\u8a08\u306e\u30b3\u30b9\u30c8\u3082\u4e0a\u6607\u3057\u3066\u3057\u307e\u3046\u305f\u3081\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8981\u4ef6\u304a\u3088\u3073\u639b\u3051\u3089\u308c\u308b\u30b3\u30b9\u30c8\u3068\u76f8\u8ac7\u304c\u5fc5\u8981\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u80cc\u666f \u5f37\u5236\u30a2\u30af\u30bb\u30b9\u5236\u5fa1 (Mandatory Access Control, MAC) \u3092\u5b9f\u73fe\u3059\u308b\u30b7\u30b9\u30c6\u30e0\u306b\u306f\u3001Linux\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b7\u30b9\u30c6\u30e0\u3067\u3042\u308b\u300cSELinux\u300d\u304c\u3042\u308a\u307e\u3059\u3002\u4ee5\u524d\u304b\u3089SELinux\u306b\u3064\u3044\u3066\u6c17\u306b\u306a\u3063\u3066 [&#8230;]<\/p>\n","protected":false},"author":154,"featured_media":83140,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"categories":[903,1014],"tags":[],"class_list":["post-82938","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-k-takahashi","category-glossary"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - 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