{"id":44135,"date":"2021-08-26T10:00:09","date_gmt":"2021-08-26T01:00:09","guid":{"rendered":"https:\/\/www.creationline.com\/?p=44135"},"modified":"2021-08-24T09:37:36","modified_gmt":"2021-08-24T00:37:36","slug":"kubernetes%e3%82%a2%e3%83%97%e3%83%aa%e3%82%b1%e3%83%bc%e3%82%b7%e3%83%a7%e3%83%b3%e3%82%bb%e3%82%ad%e3%83%a5%e3%83%aa%e3%83%86%e3%82%a3%e5%af%be%e7%ad%96%e3%83%86%e3%82%af%e3%83%8b%e3%83%83%e3%82%af","status":"publish","type":"post","link":"https:\/\/www.creationline.com\/tech-blog\/cloudnative\/aquasecurity\/44135","title":{"rendered":"Kubernetes\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u30c6\u30af\u30cb\u30c3\u30af \u30c8\u30c3\u30d710 #aqua #\u30b3\u30f3\u30c6\u30ca #\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 #k8s"},"content":{"rendered":"<p>\u672c\u30d6\u30ed\u30b0\u306f\u300cAqua Security\u300d\u793e\u306e\u6280\u8853\u30d6\u30ed\u30b0\u30672021\u5e748\u670818\u65e5\u306b\u516c\u958b\u3055\u308c\u305f\u300c<a href=\"https:\/\/blog.aquasec.com\/kubernetes-hardening-techniques\" rel=\"nofollow noopener noreferrer\" target=\"_blank\"> Top 10 Kubernetes Application Security Hardening Techniques <\/a>\u300d\u306e\u65e5\u672c\u8a9e\u7ffb\u8a33\u3067\u3059\u3002<\/p>\n<p><center><img loading=\"lazy\" decoding=\"async\" src=\"\/tech-blog\/cms_x3GWkuX\/wp-content\/uploads\/2021\/08\/342ebe432b1ccc43e6fc7cb22870e608.png\" alt=\"\" width=\"868\" height=\"421\" class=\"alignnone size-full wp-image-44136\" srcset=\"https:\/\/www.creationline.com\/tech-blog\/cms_x3GWkuX\/wp-content\/uploads\/2021\/08\/342ebe432b1ccc43e6fc7cb22870e608.png 868w, https:\/\/www.creationline.com\/tech-blog\/cms_x3GWkuX\/wp-content\/uploads\/2021\/08\/342ebe432b1ccc43e6fc7cb22870e608-360x175.png 360w, https:\/\/www.creationline.com\/tech-blog\/cms_x3GWkuX\/wp-content\/uploads\/2021\/08\/342ebe432b1ccc43e6fc7cb22870e608-768x372.png 768w\" sizes=\"auto, (max-width: 868px) 100vw, 868px\" \/><\/center><\/p>\n<h2>Kubernetes\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u30c6\u30af\u30cb\u30c3\u30af \u30c8\u30c3\u30d710<\/h2>\n<hr \/>\n<p>\u958b\u767a\u8005\u304c\u76f4\u9762\u3059\u308b\u4e3b\u306a\u8ab2\u984c\u306e1\u3064\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092 Kubernetes \u30af\u30e9\u30b9\u30bf\u30fc\u306b\u30c7\u30d7\u30ed\u30a4\u3059\u308b\u969b\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u3092\u3001\u3069\u306e\u3088\u3046\u306b\u7ba1\u7406\u3059\u308b\u304b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u3053\u306e\u554f\u984c\u3092\u65e9\u671f\u306b\u5bfe\u51e6\u3059\u308b\u305f\u3081\u3001\u958b\u767a\u30d7\u30ed\u30bb\u30b9\u306b\u304a\u3044\u3066\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u304c\u6709\u52b9\u3067\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u958b\u767a\u8005\u304c\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3092\u9069\u7528\u3059\u308b\u305f\u3081\u306e 10 \u306e\u624b\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u3089\u306e\u624b\u6cd5\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u958b\u767a\u4e2d\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3055\u308c\u305f\u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u3092\u30c6\u30b9\u30c8\u3067\u304d\u3001\u672c\u756a\u74b0\u5883\u3067\u9069\u7528\u3055\u308c\u308b\u5236\u5fa1\u304c\u5b9f\u884c\u4e2d\u306e\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u306b\u60aa\u5f71\u97ff\u3092\u53ca\u307c\u3059\u30ea\u30b9\u30af\u3092\u8efd\u6e1b\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001Pod Security Policies \u306e\u3088\u3046\u306a\u5f37\u5236\u7684\u306a\u5236\u5fa1\u304c\u884c\u308f\u308c\u3066\u3044\u306a\u3044\u30af\u30e9\u30b9\u30bf\u30fc\u3067\u306f\u3001\u81ea\u767a\u7684\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3092\u3059\u308b\u3053\u3068\u3067\u3001\u30b3\u30f3\u30c6\u30ca\u30d6\u30ec\u30fc\u30af\u30a2\u30a6\u30c8\u653b\u6483\u306e\u30ea\u30b9\u30af\u3092\u4f4e\u6e1b\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>\u4e00\u822c\u7684\u306a\u30a2\u30d7\u30ed\u30fc\u30c1<\/h3>\n<p>Kubernetes \u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u306e\u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u3092\u66f8\u304f\u3068\u304d\u3001\u305d\u308c\u304c Pod \u3067\u3042\u308c\u3001Deployment \u3084 DaemonSet \u306e\u3088\u3046\u306a\u4e0a\u4f4d\u306e\u3082\u306e\u3067\u3042\u308c\u3001\u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u306b\u306f securityContext \u3068\u3044\u3046\u30bb\u30af\u30b7\u30e7\u30f3\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u306b\u306f\u3001\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u306b\u9069\u7528\u3055\u308c\u308b\u3079\u304d\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001\u4ee5\u4e0b\u306e\u30b9\u30cb\u30da\u30c3\u30c8\u306f\u5229\u7528\u3067\u304d\u308b capability \u3092\u6307\u5b9a\u3057\u3001\u307e\u305f\u3001\u8aad\u307f\u53d6\u308a\u5c02\u7528\u306e\u30eb\u30fc\u30c8\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u8a2d\u5b9a\u3059\u308b\u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><center><img decoding=\"async\" src=\"https:\/\/blog.aquasec.com\/hs-fs\/hubfs\/Picture1-2.png?width=342&name=Picture1-2.png\" alt=\"\" \/><\/center><\/p>\n<h3>runAsUser, runAsGroup<\/h3>\n<p>\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u3001Docker \u30b3\u30f3\u30c6\u30ca\u306f root \u30e6\u30fc\u30b6\u3068\u3057\u3066\u5b9f\u884c\u3055\u308c\u307e\u3059\u304c\u3001\u3053\u308c\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u89b3\u70b9\u304b\u3089\u306f\u7406\u60f3\u7684\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30b3\u30f3\u30c6\u30ca\u5185\u90e8\u304b\u3089\u306e\u30a2\u30af\u30bb\u30b9\u306b\u306f\u307e\u3060\u5236\u9650\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u904e\u53bb1\u5e74\u9593\u306b\u3001\u30b3\u30f3\u30c6\u30ca\u304c root \u30e6\u30fc\u30b6\u3068\u3057\u3066\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306b\u306e\u307f\u60aa\u7528\u53ef\u80fd\u306a\u30b3\u30f3\u30c6\u30ca\u306e\u8106\u5f31\u6027\u304c\u8907\u6570\u3042\u308a\u307e\u3057\u305f\u3002\u3059\u3079\u3066\u306e\u30b3\u30f3\u30c6\u30ca\u3092\u975e root \u30e6\u30fc\u30b6\u3068\u3057\u3066\u5b9f\u884c\u3059\u308b\u3053\u3068\u306f\u3001\u512a\u308c\u305f\u5bfe\u7b56\u306e 1 \u3064\u3067\u3059\u3002<\/p>\n<p>\u57fa\u672c\u7684\u306a\u30ec\u30d9\u30eb\u3067\u306f\u3001Pod \u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u3067\u3053\u306e\u8a2d\u5b9a\u3092\u3059\u308b\u3053\u3068\u306f\u304b\u306a\u308a\u7c21\u5358\u3067\u3059\u3002\u6700\u3082\u826f\u3044\u65b9\u6cd5\u306f\u3001securityContext \u306e runAsUser \u3068 runAsGroup \u30d5\u30a3\u30fc\u30eb\u30c9\u306b 0 \u4ee5\u5916\u306e\u5024\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n<p><center><img decoding=\"async\" src=\"https:\/\/blog.aquasec.com\/hs-fs\/hubfs\/Picture2.png?width=208&name=Picture2.png\" alt=\"\" \/><\/center><\/p>\n<p>\u305f\u3060\u3057\u3001\u305d\u306e\u969b\u306b\u306f\u3001\u975e root \u30e6\u30fc\u30b6\u3067\u5b9f\u884c\u3057\u3066\u3082\u30b3\u30f3\u30c6\u30ca\u304c\u52d5\u4f5c\u3059\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u30aa\u30ea\u30b8\u30ca\u30eb\u306e\u30b3\u30f3\u30c6\u30ca\u30a4\u30e1\u30fc\u30b8\u304c root \u3067\u306e\u5b9f\u884c\u3092\u524d\u63d0\u306b\u8a2d\u8a08\u3055\u308c\u3066\u304a\u308a\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u30d1\u30fc\u30df\u30c3\u30b7\u30e7\u30f3\u304c\u5236\u9650\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u52d5\u4f5c\u306b\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u6700\u5584\u306e\u65b9\u6cd5\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u306e Dockerfile \u306b\u540c\u3058 UID \u3068 GID \u306e\u7d44\u307f\u5408\u308f\u305b\u3092\u8a2d\u5b9a\u3057\u3001\u958b\u767a\u3084\u30c6\u30b9\u30c8\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u901a\u3058\u3066\u305d\u306e\u7d44\u307f\u5408\u308f\u305b\u3067\u5b9f\u884c\u3055\u308c\u308b\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u308c\u3092\u5b9f\u73fe\u3059\u308b\u306b\u306f\u3001Dockerfile \u306b USER \u5909\u6570\u3067\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001\u3053\u306e\u884c\u3067\u540c\u3058 UID \u3068 GID \u306e\u7d44\u307f\u5408\u308f\u305b\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<p><center><img decoding=\"async\" src=\"https:\/\/blog.aquasec.com\/hs-fs\/hubfs\/Picture3.png?width=185&name=Picture3.png\" alt=\"\" \/><\/center><\/p>\n<h3>Privileged<\/h3>\n<p>Docker \u3084\u305d\u306e\u4ed6\u306e\u30b3\u30f3\u30c6\u30ca\u30e9\u30f3\u30bf\u30a4\u30e0\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u304b\u3089\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5206\u96e2\u3092\u53d6\u308a\u9664\u304f\u4fbf\u5229\u306a\u65b9\u6cd5\u3068\u3057\u3066\u3001\u7279\u6a29\u30d5\u30e9\u30b0\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u3067\u306f\u57fa\u672c\u7684\u306b\u4f7f\u7528\u3059\u3079\u304d\u3067\u306f\u306a\u304f\u3001\u5fc5\u8981\u306a\u5834\u5408\u306b\u306e\u307f\u4f7f\u7528\u3059\u3079\u304d\u3067\u3059\u3002<\/p>\n<p>\u4e00\u822c\u306b\u3001Linux \u30b3\u30f3\u30c6\u30ca\u306f\u975e\u5e38\u306b\u67d4\u8edf\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30e2\u30c7\u30eb\u3092\u6301\u3063\u3066\u3044\u308b\u305f\u3081\u3001\u30b3\u30f3\u30c6\u30ca\u306e\u904b\u7528\u306b\u7279\u5b9a\u306e\u30d1\u30fc\u30df\u30c3\u30b7\u30e7\u30f3\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u7279\u6a29\u8a2d\u5b9a\u3092\u4f7f\u308f\u305a\u306b\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30b3\u30f3\u30c6\u30ca\u306e\u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u3092\u8a2d\u8a08\u3059\u308b\u969b\u306b\u91cd\u8981\u306a\u306e\u306f\u3001\u3059\u3079\u3066\u306e\u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u306e securityContext \u3067\u3001privileged \u3092 false \u306b\u8a2d\u5b9a\u3059\u308b\u3088\u3046\u306b\u30c7\u30d5\u30a9\u30eb\u30c8\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n<p><center><img decoding=\"async\" src=\"https:\/\/blog.aquasec.com\/hs-fs\/hubfs\/Picture4.png?width=162&name=Picture4.png\" alt=\"\" \/><\/center><\/p>\n<h3>Capabilities<\/h3>\n<p>Linux \u306e capability \u306f\u3001\u5f93\u6765 root \u30e6\u30fc\u30b6\u306b\u306e\u307f\u4e0e\u3048\u3089\u308c\u3066\u3044\u305f1\u3064\u307e\u305f\u306f\u8907\u6570\u306e\u6a29\u9650\u3092\u3001\u30d7\u30ed\u30bb\u30b9\u3078\u4e0e\u3048\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u3001Docker \u3084\u305d\u306e\u4ed6\u306e\u30b3\u30f3\u30c6\u30ca\u30e9\u30f3\u30bf\u30a4\u30e0\u306f\u3001\u5229\u7528\u53ef\u80fd\u306a capability \u306e\u30b5\u30d6\u30bb\u30c3\u30c8\u3092\u30b3\u30f3\u30c6\u30ca\u306b\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<p>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u5fc5\u8981\u3068\u3059\u308b\u7279\u5b9a\u306e capability \u306e\u307f\u3092\u8a31\u53ef\u3059\u308b\u3053\u3068\u306f\u3001\u826f\u3044\u5bfe\u7b56\u306e 1 \u3064\u3067\u3059\u3002\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u975e root \u30e6\u30fc\u30b6\u3068\u3057\u3066\u5b9f\u884c\u3055\u308c\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u305d\u3082\u305d\u3082 capability \u3092\u5fc5\u8981\u3068\u3057\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u4e00\u822c\u306b\u3001capability \u306b\u95a2\u3059\u308b\u30a2\u30d7\u30ed\u30fc\u30c1\u306f\u3001\u307e\u305a\u3059\u3079\u3066\u306e capability \u3092\u524a\u9664\u3057\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u5fc5\u8981\u3068\u3059\u308b\u5834\u5408\u306b\u7279\u5b9a\u306e capability \u3092\u8ffd\u52a0\u3059\u308b\u3068\u3044\u3046\u3082\u306e\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001CHOWN capability \u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u6b21\u306e\u3088\u3046\u306a securityContext \u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n<p><center><img decoding=\"async\" src=\"https:\/\/blog.aquasec.com\/hs-fs\/hubfs\/Picture5.png?width=134&name=Picture5.png\" alt=\"\" \/><\/center><\/p>\n<h3>readOnlyRootFilesystem<\/h3>\n<p>\u3053\u306e\u8a2d\u5b9a\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30b3\u30f3\u30c6\u30ca\u306e\u30a8\u30d5\u30a7\u30e1\u30e9\u30eb\u306a\u6027\u8cea\u3092\u5229\u7528\u3067\u304d\u307e\u3059\u3002\u4e00\u822c\u7684\u306b\u3001\u5b9f\u884c\u4e2d\u306e\u30b3\u30f3\u30c6\u30ca\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u95a2\u3059\u308b\u3044\u304b\u306a\u308b\u72b6\u614b\u3082\u30b3\u30f3\u30c6\u30ca\u306e\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306b\u4fdd\u5b58\u3059\u3079\u304d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u306e\u3088\u3046\u306a\u884c\u3044\u306f\u3001\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u5185\u306b\u7ba1\u7406\u5916\u306e\u65b0\u3057\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u30b3\u30f3\u30c6\u30ca\u304c\u4f5c\u6210\u3055\u308c\u3066\u3057\u307e\u3046\u3068\u3044\u3046\u4e8b\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u3088\u3046\u306a\u72b6\u6cc1\u3092\u8003\u616e\u3057\u3066\u3001\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u306b readOnlyRootFilesystem \u30d5\u30e9\u30b0\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u30b3\u30f3\u30c6\u30ca\u306e\u30eb\u30fc\u30c8\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u8aad\u307f\u53d6\u308a\u5c02\u7528\u306b\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u8106\u5f31\u6027\u304c\u767a\u898b\u3055\u308c\u305f\u3068\u3057\u3066\u3082\u3001\u30b3\u30f3\u30c6\u30ca\u306b\u30c4\u30fc\u30eb\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3088\u3046\u3068\u3059\u308b\u653b\u6483\u8005\u304b\u3089\u9632\u5fa1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u5bfe\u7b56\u306e 1 \u3064\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u8a2d\u5b9a\u306b\u95a2\u9023\u3057\u3066\u3088\u304f\u3042\u308b\u8cea\u554f\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d7\u30ed\u30bb\u30b9\u306e\u5b9f\u884c\u4e2d\u306b\u5fc5\u8981\u3068\u306a\u308b\u4e00\u6642\u30d5\u30a1\u30a4\u30eb\u3092\u3069\u306e\u3088\u3046\u306b\u51e6\u7406\u3059\u308b\u304b\u3068\u3044\u3046\u3082\u306e\u3067\u3059\u3002\u3053\u306e\u5834\u5408\u3001\u30b3\u30f3\u30c6\u30ca\u306b emptyDir \u30dc\u30ea\u30e5\u30fc\u30e0\u3092\u30de\u30a6\u30f3\u30c8\u3059\u308b\u3053\u3068\u3067\u3001\u30d5\u30a1\u30a4\u30eb\u3092\u3042\u308b\u5834\u6240\u306b\u66f8\u304d\u8fbc\u307f\u3001\u30b3\u30f3\u30c6\u30ca\u304c\u7834\u68c4\u3055\u308c\u305f\u3068\u304d\u306b\u81ea\u52d5\u7684\u306b\u524a\u9664\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>readOnlyRootFilesystem \u306e\u8a2d\u5b9a\u306f\u3001\u6b21\u306e\u3088\u3046\u306b securityContext \u5185\u306b\u771f\u507d\u5024\u3067\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/p>\n<p><center><img decoding=\"async\" src=\"https:\/\/blog.aquasec.com\/hs-fs\/hubfs\/Picture6.png?width=248&name=Picture6.png\" alt=\"\" \/><\/center><\/p>\n<h3>AllowPrivilegeEscalation<\/h3>\n<p>\u3053\u306e\u8a2d\u5b9a\u306f Linux \u30ab\u30fc\u30cd\u30eb\u3067\u516c\u958b\u3055\u308c\u3066\u3044\u308b\u3082\u3046\u3072\u3068\u3064\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8a2d\u5b9a\u3067\u3001\u901a\u5e38\u306f\u5f71\u97ff\u306e\u5c11\u306a\u3044\u512a\u308c\u305f\u5f37\u5316\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u3059\u3002\u3053\u306e\u30d5\u30e9\u30b0\u306f\u3001\u5b50\u30d7\u30ed\u30bb\u30b9\u304c\u89aa\u30d7\u30ed\u30bb\u30b9\u3088\u308a\u3082\u591a\u304f\u306e\u7279\u6a29\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u304b\u3069\u3046\u304b\u3092\u5236\u5fa1\u3057\u307e\u3059\u304c\u3001\u30b3\u30f3\u30c6\u30ca\u5185\u3067\u5b9f\u884c\u3055\u308c\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d7\u30ed\u30bb\u30b9\u3067\u306f\u3001\u305d\u306e\u5fc5\u8981\u306f\u307b\u3068\u3093\u3069\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u308c\u3082 securityContext \u3067\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><center><img decoding=\"async\" src=\"https:\/\/blog.aquasec.com\/hs-fs\/hubfs\/Picture7.png?width=275&name=Picture7.png\" alt=\"\" \/><\/center><\/p>\n<h3>Seccomp<\/h3>\n<p>\u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u3067\u6ce8\u76ee\u3059\u3079\u304d\u6700\u5f8c\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5c64\u306f\u3001seccomp \u3067\u3059\u3002seccomp \u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u306e\u3042\u308b\u7279\u5b9a\u306e Linux \u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u306e\u30a2\u30af\u30bb\u30b9\u3092\u9632\u6b62\u3057\u307e\u3059\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u3001Docker \u306e\u3088\u3046\u306a\u30b3\u30f3\u30c6\u30ca\u30e9\u30f3\u30bf\u30a4\u30e0\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u7279\u5b9a\u306e\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u306e\u30a2\u30af\u30bb\u30b9\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b syscall \u30d5\u30a3\u30eb\u30bf\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u3001Kubernetes \u3067\u5b9f\u884c\u3059\u308b\u3068\u3001\u3053\u306e\u30d5\u30a3\u30eb\u30bf\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u7121\u52b9\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u305f\u3081\u3001\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u306b\u8ffd\u52a0\u3057\u3066\u3001\u30d5\u30a3\u30eb\u30bf\u30fc\u304c\u518d\u3073\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u30e9\u30f3\u30bf\u30a4\u30e0\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u4f7f\u7528\u3059\u308b\u304b\u3001AppArmor \u3084 SELinux \u306e\u3088\u3046\u306a\u30ab\u30b9\u30bf\u30e0\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>seccomp \u30d5\u30a3\u30eb\u30bf\u30fc\u306f\u3001\u4f7f\u7528\u3057\u3066\u3044\u308b Kubernetes \u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u5fdc\u3058\u3066\u30012 \u3064\u306e\u5834\u6240\u306e\u3044\u305a\u308c\u304b\u3067\u518d\u6709\u52b9\u5316\u3067\u304d\u307e\u3059\u3002v1.18 \u4ee5\u964d\u3067\u306f\u3001AppArmor \u306e\u3088\u3046\u306b\u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u306e metadata \u30bb\u30af\u30b7\u30e7\u30f3\u306e annotations \u3067\u6709\u52b9\u5316\u3057\u307e\u3059\u3002annotations \u306e\u30b5\u30f3\u30d7\u30eb\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>v1.19 \u4ee5\u964d\u3067\u306f\u3001seccomp \u30d5\u30a3\u30eb\u30bf\u30fc\u306f securityContext \u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u7d71\u5408\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001pod \u306b\u30c7\u30d5\u30a9\u30eb\u30c8\u306e seccomp \u30d5\u30a3\u30eb\u30bf\u3092\u4f7f\u7528\u3059\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<p><center><img decoding=\"async\" src=\"https:\/\/blog.aquasec.com\/hs-fs\/hubfs\/Picture8.png?width=589&name=Picture8.png\" alt=\"\" \/><\/center><\/p>\n<h3>Resource limits<\/h3>\n<p>Kubernetes \u306e\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u306f\u57fa\u76e4\u3068\u306a\u308b\u30ce\u30fc\u30c9\u3092\u5171\u6709\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u500b\u3005\u306e\u30b3\u30f3\u30c6\u30ca\u304c\u30ce\u30fc\u30c9\u4e0a\u306e\u3059\u3079\u3066\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u4f7f\u7528\u3067\u304d\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u3053\u308c\u3092\u884c\u308f\u306a\u3044\u3068\u3001\u30af\u30e9\u30b9\u30bf\u30fc\u5185\u3067\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u4ed6\u306e\u30b3\u30f3\u30c6\u30ca\u3078\u306e\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u554f\u984c\u767a\u751f\u306e\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30b3\u30f3\u30c6\u30ca\u30ec\u30d9\u30eb\u3067\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u304c\u5fc5\u8981\u3068\u3059\u308b\u30ea\u30bd\u30fc\u30b9\u306e\u91cf\u3068\u3001\u8a31\u53ef\u3055\u308c\u308b\u3079\u304d\u30ea\u30bd\u30fc\u30b9\u306e\u5236\u9650\u3092\u6307\u5b9a\u3059\u308b\u30ea\u30bd\u30fc\u30b9\u5236\u9650\u306e\u8a2d\u5b9a\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u30b3\u30f3\u30c6\u30ca\u306e\u30ea\u30bd\u30fc\u30b9\u306f\u6b21\u306e\u3088\u3046\u306b\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/p>\n<p><center><img decoding=\"async\" src=\"https:\/\/blog.aquasec.com\/hs-fs\/hubfs\/Picture10.png?width=222&name=Picture10.png\" alt=\"\" \/><\/center><\/p>\n<p>\u30e1\u30e2\u30ea\u306e\u8981\u6c42\u5024\u3068\u5236\u9650\u5024\u306f\u7c21\u5358\u306b\u8aad\u307f\u53d6\u308c\u307e\u3059\u304c\u3001CPU \u306e\u5236\u9650\u5024\u306f\u5c11\u3057\u308f\u304b\u308a\u306b\u304f\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002CPU \u306e\u5236\u9650\u306f\u3001\u300cmillicpus\u300d\u3068\u3044\u3046\u5358\u4f4d\u3067\u8868\u3055\u308c\u307e\u3059\u30021,000 \u306f CPU 1\u30b3\u30a2\u307e\u305f\u306f\u30cf\u30a4\u30d1\u30fc\u30b9\u30ec\u30c3\u30c9\u306b\u76f8\u5f53\u3057\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u306f 1 \u3064\u306e\u30b3\u30a2\u306e25%\u3067\u3042\u308a\u3001\u5236\u9650\u306f 1 \u3064\u306e\u30b3\u30a2\u306e50%\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u30ea\u30bd\u30fc\u30b9\u5236\u9650\u3092\u8a2d\u8a08\u3059\u308b\u969b\u306e\u3082\u30461\u3064\u306e\u6ce8\u610f\u70b9\u306f\u3001\u5236\u9650\u3092\u8d85\u3048\u305f\u3068\u304d\u306b\u30b3\u30f3\u30c6\u30ca\u306e\u30e9\u30f3\u30bf\u30a4\u30e0\u304c\u3069\u306e\u3088\u3046\u306b\u53cd\u5fdc\u3059\u308b\u304b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002CPU \u306e\u5834\u5408\u3001\u30d7\u30ed\u30bb\u30b9\u306f\u6291\u3048\u3089\u308c\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u4f4e\u4e0b\u3057\u307e\u3059\u3002\u4e00\u65b9\u3001\u30e1\u30e2\u30ea\u306e\u5236\u9650\u3092\u8d85\u3048\u305f\u5834\u5408\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u30e9\u30f3\u30bf\u30a4\u30e0\u304c\u30d7\u30ed\u30bb\u30b9\u3092\u5f37\u5236\u7d42\u4e86\u3055\u305b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u901a\u5e38\u904b\u7528\u306b\u5408\u7406\u7684\u306b\u8981\u6c42\u3055\u308c\u308b\u5024\u306b\u5236\u9650\u5024\u3092\u5408\u308f\u305b\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<h3>imageTag<\/h3>\n<p>Docker \u30b9\u30bf\u30a4\u30eb\u306e\u30b3\u30f3\u30c6\u30ca\u306f\u4e00\u822c\u7684\u306b\u3001\u30a4\u30e1\u30fc\u30b8\u540d\u3068\u30bf\u30b0\u540d\u3092\u6307\u5b9a\u3057\u3066\u6307\u5b9a\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001Docker \u306b\u306f\u7279\u6b8a\u306a\u30b1\u30fc\u30b9\u304c\u3042\u308a\u3001\u30bf\u30b0\u304c\u6307\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u300c\u6700\u65b0\u300d\u306e\u30bf\u30b0\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u3069\u306e\u30a4\u30e1\u30fc\u30b8\u304c\u4f7f\u7528\u3055\u308c\u308b\u304b\u306f\u3001\u30a4\u30e1\u30fc\u30b8\u30ec\u30b8\u30b9\u30c8\u30ea\u306e\u66f4\u65b0\u306b\u5fdc\u3058\u3066\u5909\u5316\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001OS \u306e\u65b0\u3057\u3044\u30ea\u30ea\u30fc\u30b9\u304c\u884c\u308f\u308c\u305f\u5834\u5408\u3001\u6700\u65b0\u306e\u30bf\u30b0\u306f\u65b0\u3057\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u5909\u66f4\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u3088\u3046\u306b\u30bf\u30fc\u30b2\u30c3\u30c8\u304c\u56fa\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u305f\u3081\u3001pod \u3067\u4f7f\u7528\u3059\u308b\u30b3\u30f3\u30c6\u30ca\u30a4\u30e1\u30fc\u30b8\u3092\u6307\u5b9a\u3059\u308b\u969b\u306b\u3001\u7279\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u30bf\u30b0\u3084\u7279\u306b\u300clatest\u300d\u30bf\u30b0\u3092\u4f7f\u7528\u3059\u308b\u306e\u306f\u3088\u304f\u3042\u308a\u307e\u305b\u3093\u3002\u4ee3\u308f\u308a\u306b\u3001\u660e\u793a\u7684\u306a\u30bf\u30b0\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306b\u306f\u3001\u30ec\u30b8\u30b9\u30c8\u30ea\u306b\u5b58\u5728\u3059\u308b\u540d\u524d\u4ed8\u304d\u306e\u30bf\u30b0\u3092\u4f7f\u7528\u3059\u308b\u304b\u3001\u30a4\u30e1\u30fc\u30b8\u3092\u4e00\u610f\u306b\u8b58\u5225\u3059\u308b SHA-256 \u30cf\u30c3\u30b7\u30e5\u3092\u4f7f\u7528\u3057\u3066\u6307\u5b9a\u3059\u308b\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>1 \u3064\u76ee\u306e\u65b9\u6cd5\u3067\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u3054\u3068\u306b\u30a4\u30e1\u30fc\u30b8\u3068\u30bf\u30b0\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u3053\u306e\u65b9\u6cd5\u3067\u306f\u3001\u30bf\u30b0\u306f\u4e00\u822c\u7684\u306b\u5909\u66f4\u53ef\u80fd\u306a\u30dd\u30a4\u30f3\u30bf\u3067\u3042\u308a\u3001\u5225\u306e\u30a4\u30e1\u30fc\u30b8\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3067\u304d\u308b\u305f\u3081\u3001\u30c7\u30d7\u30ed\u30a4\u30e1\u30f3\u30c8\u306b\u60aa\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u3088\u3046\u306a\u65b9\u6cd5\u3067\u30a4\u30e1\u30fc\u30b8\u3092\u5909\u66f4\u3057\u306a\u3044\u3088\u3046\u3001\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3078\u4f9d\u5b58\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><center><img decoding=\"async\" src=\"https:\/\/blog.aquasec.com\/hs-fs\/hubfs\/Picture11.png?width=230&name=Picture11.png\" alt=\"\" \/><\/center><\/p>\n<p>SHA-256 \u30cf\u30c3\u30b7\u30e5\u3092\u6307\u5b9a\u3059\u308b\u3068\u3001\u305d\u306e\u30cf\u30c3\u30b7\u30e5\u306b\u5bfe\u5fdc\u3059\u308b\u30a4\u30e1\u30fc\u30b8\u306e\u307f\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u304c\u5927\u5909\u3067\u3059\u3002\u306a\u305c\u306a\u3089\u3001\u30a4\u30e1\u30fc\u30b8\u306b\u30d1\u30c3\u30c1\u304c\u9069\u7528\u3055\u308c\u308b\u305f\u3073\u306b\u3001\u65b0\u3057\u3044\u30cf\u30c3\u30b7\u30e5\u3092\u53cd\u6620\u3055\u305b\u308b\u305f\u3081\u306b\u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u3092\u66f4\u65b0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u304b\u3089\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3092\u66f8\u3044\u3066\u3044\u308b\u6642\u70b9\u3067\u3001\u4e0a\u8a18\u3067\u6307\u5b9a\u3057\u305f\u30a4\u30e1\u30fc\u30b8\u306b\u76f8\u5f53\u3059\u308b\u3082\u306e\u306f\u4ee5\u4e0b\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><center><img decoding=\"async\" src=\"https:\/\/blog.aquasec.com\/hs-fs\/hubfs\/Picture12.png?width=602&name=Picture12.png\" alt=\"\" \/><\/center><\/p>\n<h3>AppArmor<\/h3>\n<p>\u3053\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u3001AppArmor \u3092\u4f7f\u7528\u3059\u308b Linux \u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3(\u4e3b\u306b Debian \u7cfb)\u3067\u9069\u7528\u3055\u308c\u307e\u3059\u3002AppArmor \u306f\u3001\u4ed6\u306e\u5206\u96e2\u5c64\u304c\u7834\u3089\u308c\u305f\u308a\u3001\u653b\u6483\u8005\u306b\u30d0\u30a4\u30d1\u30b9\u3055\u308c\u305f\u308a\u3057\u305f\u5834\u5408\u3067\u3082\u3001\u4fdd\u8b77\u3092\u63d0\u4f9b\u3059\u308b\u5f37\u5236\u7684\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ec\u30d9\u30eb\u3092\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>AppArmor\u3000\u306e\u30dd\u30ea\u30b7\u30fc\u3092\u6307\u5b9a\u3057\u306a\u3044\u5834\u5408\u3001\u30b3\u30f3\u30c6\u30ca\u30e9\u30f3\u30bf\u30a4\u30e0\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u304c\u9069\u7528\u3055\u308c\u308b\u305f\u3081\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u306b\u660e\u793a\u7684\u306a\u8a18\u8ff0\u3092\u8ffd\u52a0\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3057\u304b\u3057\u3001\u30ab\u30b9\u30bf\u30e0 AppArmor \u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u8ffd\u52a0\u3057\u3066\u30b3\u30f3\u30c6\u30ca\u3092\u3055\u3089\u306b\u5f37\u5316\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u4ed6\u306e\u307b\u3068\u3093\u3069\u306e\u5f37\u5316\u8a2d\u5b9a\u3068\u306f\u7570\u306a\u308a\u3001securityContext \u30d5\u30a3\u30fc\u30eb\u30c9\u3067\u306f\u8a2d\u5b9a\u3055\u308c\u306a\u3044\u3053\u3068\u306b\u6ce8\u610f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4ee3\u308f\u308a\u306b\u3001\u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u306e metadata \u914d\u4e0b\u306e annotations \u3092\u4ecb\u3057\u3066\u884c\u308f\u308c\u307e\u3059(\u5c06\u6765\u306eKubernetes\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3053\u308c\u3092\u5909\u66f4\u3059\u308b\u305f\u3081\u306e\u63d0\u6848\u304c\u3042\u3052\u3089\u308c\u3066\u3044\u307e\u3059)\u3002<\/p>\n<p>\u6307\u5b9a\u3055\u308c\u305f\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u306f\u4e8b\u524d\u306b\u30af\u30e9\u30b9\u30bf\u30fc\u30ce\u30fc\u30c9\u3078\u914d\u7f6e\u3055\u308c\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u4ee5\u4e0b\u306e\u4f8b\u3067\u306f &lt;profile&#62; \u306e\u4ee3\u308f\u308a\u306b\u6307\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><center><img decoding=\"async\" src=\"https:\/\/blog.aquasec.com\/hs-fs\/hubfs\/Picture13.png?width=700&name=Picture13.png\" alt=\"\" \/><\/center><\/p>\n<h3>SELinux<\/h3>\n<p>\u3053\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u3001SELinux \u3092\u4f7f\u7528\u3059\u308b Linux \u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3(\u4e3b\u306b Red Hat \u7cfb)\u3067\u9069\u7528\u3055\u308c\u307e\u3059\u3002SELinux \u306f AppArmor \u3068\u540c\u69d8\u306b\u3001\u30d7\u30ed\u30bb\u30b9\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u8ffd\u52a0\u30ec\u30a4\u30e4\u30fc\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001\u30dd\u30ea\u30b7\u30fc\u306e\u8a2d\u5b9a\u306f\u3084\u3084\u8907\u96d1\u3067\u3001\u6709\u52b9\u306b\u3059\u308b\u304b\u3069\u3046\u304b\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u30e9\u30f3\u30bf\u30a4\u30e0\u3068\u30db\u30b9\u30c8 OS \u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>AppArmor \u3068\u540c\u69d8\u306b\u3001\u30ab\u30b9\u30bf\u30e0 SELinux \u30dd\u30ea\u30b7\u30fc\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u306f\u3001\u3088\u308a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u9ad8\u3044\u74b0\u5883\u3067\u306f\u6709\u7528\u3067\u3059\u304c\u3001\u307b\u3068\u3093\u3069\u306e\u5834\u5408\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30dd\u30ea\u30b7\u30fc\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u6709\u7528\u306a\u8ffd\u52a0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5c64\u3092\u63d0\u4f9b\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<hr \/>\n<p>\u5b89\u5168\u306a Kubernetes \u74b0\u5883\u306e\u69cb\u7bc9\u306b\u306f\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d7\u30ec\u30fc\u30f3\u304b\u3089\u30af\u30e9\u30b9\u30bf\u30fc\u4e0a\u3067\u5b9f\u884c\u3055\u308c\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u307e\u3067\u3001\u3055\u307e\u3056\u307e\u306a\u5074\u9762\u304c\u3042\u308a\u307e\u3059\u3002\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u306e\u30c7\u30d7\u30ed\u30a4\u306b\u4f7f\u7528\u3055\u308c\u308b Kubernetes \u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u3092\u7a4d\u6975\u7684\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3059\u308b\u3053\u3068\u306f\u3001\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306e\u91cd\u8981\u306a\u90e8\u5206\u3067\u3059\u3002\u958b\u767a\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u306e\u65e9\u3044\u6bb5\u968e\u3067\u884c\u3046\u3053\u3068\u306b\u3088\u308a\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5927\u5e45\u306b\u5411\u4e0a\u3055\u305b\u3001\u4fb5\u5bb3\u306e\u30ea\u30b9\u30af\u3092\u8efd\u6e1b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><center>\n\t\t<!--HubSpot Call-to-Action Code -->\n\t\t<span class=\"hs-cta-wrapper\" id=\"hs-cta-wrapper-fecc193b-bbc5-40d2-9588-ed7b022af3aa\">\n\t\t<span class=\"hs-cta-node hs-cta-fecc193b-bbc5-40d2-9588-ed7b022af3aa\" id=\"fecc193b-bbc5-40d2-9588-ed7b022af3aa\">\n\t\t<!--[if lte IE 8]>\n\t\t<div id=\"hs-cta-ie-element\"><\/div>\n\t\t<![endif]-->\n\t\t<a 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