{"id":139,"date":"2026-06-15T10:32:19","date_gmt":"2026-06-15T10:32:19","guid":{"rendered":"https:\/\/blog.joezhou.top\/kubernetes\/"},"modified":"2026-06-22T23:40:26","modified_gmt":"2026-06-22T15:40:26","slug":"kubernetes","status":"publish","type":"post","link":"https:\/\/www.joezhou.top\/?p=139","title":{"rendered":"\u5bb9\u5668\u5b89\u5168\u5b9e\u6218\u6307\u5357\uff1a\u4ece\u955c\u50cf\u5b89\u5168\u5230\u8fd0\u884c\u65f6\u9632\u62a4\u7684Kubernetes\u5b89\u5168\u5efa\u8bbe\u5168\u8def\u5f84"},"content":{"rendered":"

\u5bb9\u5668\u548cKubernetes\u5df2\u7ecf\u6210\u4e3a\u4f01\u4e1a\u5e94\u7528\u90e8\u7f72\u7684\u4e8b\u5b9e\u6807\u51c6\u3002\u4f46\u4f34\u968f\u7740\u5bb9\u5668\u5316\u6539\u9020\u7684\u63a8\u8fdb\uff0c\u5b89\u5168\u98ce\u9669\u4e5f\u5728\u5feb\u901f\u6f14\u53d8\u2014\u2014\u4f20\u7edf\u7269\u7406\u673a\u548c\u865a\u62df\u673a\u7684\u5b89\u5168\u6a21\u578b\u5728\u5bb9\u5668\u73af\u5883\u4e2d\u9762\u4e34\u6839\u672c\u6027\u6311\u6218\u3002\u955c\u50cf\u4f9b\u5e94\u94fe\u653b\u51fb\u3001\u5bb9\u5668\u9003\u9038\u3001K8s\u914d\u7f6e\u9519\u8bef\u3001\u7279\u6743\u63d0\u5347\u2014\u2014\u8fd9\u4e9b\u653b\u51fb\u9762\u6bcf\u4e00\u6761\u90fd\u53ef\u80fd\u6210\u4e3a\u4f01\u4e1a\u57fa\u7840\u8bbe\u65bd\u7684\u7a81\u7834\u53e3\u3002<\/p>\n

\u672c\u6587\u4ece\u5b9e\u6218\u89d2\u5ea6\u51fa\u53d1\uff0c\u7cfb\u7edf\u68b3\u7406\u5bb9\u5668\u5b89\u5168\u7684\u5173\u952e\u73af\u8282\uff0c\u63d0\u4f9b\u53ef\u843d\u5730\u7684\u5b89\u5168\u5efa\u8bbe\u8def\u7ebf\u3002<\/p>\n

\u5bb9\u5668\u5b89\u5168\u9762\u4e34\u7684\u72ec\u7279\u6311\u6218<\/h2>\n

\u7406\u89e3\u5bb9\u5668\u5b89\u5168\uff0c\u9996\u5148\u8981\u7406\u89e3\u5bb9\u5668\u4e0e\u4f20\u7edf\u865a\u62df\u5316\u7684\u672c\u8d28\u5dee\u5f02\u3002\u865a\u62df\u673a\u901a\u8fc7Hypervisor\u9694\u79bb\u5b8c\u6574\u7684\u64cd\u4f5c\u7cfb\u7edf\uff0c\u6bcf\u4e2aVM\u6709\u72ec\u7acb\u7684\u5185\u6838\uff1b\u800c\u5bb9\u5668\u5171\u4eab\u5bbf\u4e3b\u673a\u5185\u6838\uff0c\u4ec5\u901a\u8fc7\u547d\u540d\u7a7a\u95f4\uff08Namespace\uff09\u548c\u63a7\u5236\u7ec4\uff08Cgroups\uff09\u5b9e\u73b0\u8d44\u6e90\u9694\u79bb\u3002\u8fd9\u79cd\u8f7b\u91cf\u7ea7\u8bbe\u8ba1\u5e26\u6765\u4e86\u6548\u7387\u4f18\u52bf\uff0c\u4f46\u4e5f\u5f15\u5165\u4e86\u65b0\u7684\u5b89\u5168\u6311\u6218\u3002<\/p>\n

\u7b2c\u4e00\u4e2a\u6838\u5fc3\u95ee\u9898\u662f\u5185\u6838\u5171\u4eab\u98ce\u9669\u3002\u7531\u4e8e\u6240\u6709\u5bb9\u5668\u5171\u4eab\u5bbf\u4e3b\u673a\u7684\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\uff0c\u4e00\u65e6\u653b\u51fb\u8005\u901a\u8fc7\u67d0\u4e2a\u5bb9\u5668\u5b9e\u73b0\u4e86\u5185\u6838\u7ea7\u9003\u9038\uff0c\u6574\u4e2a\u5bbf\u4e3b\u673a\u4e0a\u7684\u6240\u6709\u5bb9\u5668\u90fd\u9762\u4e34\u98ce\u9669\u30022024\u5e74\u7206\u53d1\u7684\u591a\u4e2aLinux\u5185\u6838\u6f0f\u6d1e\uff08\u5982CVE-2024-1086\uff09\u90fd\u80fd\u901a\u8fc7\u5bb9\u5668\u9003\u9038\u5f71\u54cd\u5bbf\u4e3b\u673a\u3002<\/p>\n

\u7b2c\u4e8c\u4e2a\u95ee\u9898\u662f\u955c\u50cf\u4f9b\u5e94\u94fe\u653b\u9632\u3002\u5bb9\u5668\u955c\u50cf\u901a\u5e38\u591a\u5c42\u6784\u5efa\uff0c\u6bcf\u4e00\u5c42\u90fd\u53ef\u80fd\u5f15\u5165\u5b89\u5168\u98ce\u9669\u3002\u4ece\u57fa\u7840\u955c\u50cf\u5230\u5e94\u7528\u4f9d\u8d56\uff0c\u4f9b\u5e94\u94fe\u653b\u51fb\u9762\u6781\u5bbd\u30022023\u5e74\u53d1\u751f\u7684\u6301\u7eed\u5f71\u54cd\u4e8b\u4ef6\u2014\u2014\u6076\u610f\u955c\u50cf\u88ab\u4e0a\u4f20\u5230\u516c\u5171\u955c\u50cf\u4ed3\u5e93\uff0c\u5728\u6570\u5343\u5bb6\u4f01\u4e1a\u5185\u90e8\u73af\u5883\u4e2d\u8fd0\u884c\u4e86\u6570\u6708\u624d\u88ab\u53d1\u73b0\u3002<\/p>\n

\u7b2c\u4e09\u4e2a\u95ee\u9898\u662fK8s\u914d\u7f6e\u7684\u590d\u6742\u6027\u3002Kubernetes\u62e5\u6709\u6570\u767e\u4e2a\u914d\u7f6e\u53c2\u6570\u548cRBAC\u6743\u9650\u8bbe\u7f6e\uff0c\u9ed8\u8ba4\u914d\u7f6e\u901a\u5e38\u4ee5"\u597d\u7528"\u4e3a\u4f18\u5148\u800c\u975e"\u5b89\u5168"\u3002\u9519\u8bef\u914d\u7f6e\u662fK8s\u5b89\u5168\u4e8b\u4ef6\u7684\u5934\u53f7\u539f\u56e0\u3002\u6839\u636eCNCF\u7684\u5e74\u5ea6\u5b89\u5168\u62a5\u544a\uff0c\u8d85\u8fc760%\u7684K8s\u5b89\u5168\u4e8b\u4ef6\u6e90\u4e8e\u914d\u7f6e\u9519\u8bef\u3002<\/p>\n

\u9636\u6bb5\u4e00\uff1a\u955c\u50cf\u5b89\u5168\u2014\u2014\u4ece\u6e90\u5934\u4e0a\u63a7\u5236\u98ce\u9669<\/h2>\n

\u5b89\u5168\u5de6\u79fb\uff08Shift Left\uff09\u5728\u5bb9\u5668\u5b89\u5168\u9886\u57df\u7684\u4f53\u73b0\uff0c\u5c31\u662f\u5728\u955c\u50cf\u6784\u5efa\u9636\u6bb5\u5c31\u628a\u5b89\u5168\u95ee\u9898\u89e3\u51b3\u6389\u3002<\/p>\n

\u57fa\u7840\u955c\u50cf\u9009\u578b<\/h3>\n

\u4e00\u5207\u4ece\u57fa\u7840\u955c\u50cf\u5f00\u59cb\u3002\u5efa\u8bae\u9075\u5faa\u4e09\u4e2a\u539f\u5219\uff1a\u9009\u62e9\u5b98\u65b9\u955c\u50cf\u800c\u975e\u7b2c\u4e09\u65b9\u955c\u50cf\u3001\u9009\u62e9\u6700\u5c0f\u5316\u955c\u50cf\u51cf\u5c11\u653b\u51fb\u9762\u3001\u9009\u62e9\u6709\u957f\u671f\u7ef4\u62a4\u652f\u6301\u7684\u53d1\u884c\u7248\u3002<\/p>\n

\u5b9e\u8df5\u4e2d\uff0cAlpine Linux\u662f\u6700\u5e38\u7528\u7684\u7cbe\u7b80\u57fa\u7840\u955c\u50cf\uff0c\u56e0\u4e3a\u5b83\u4f53\u79ef\u5c0f\uff08\u7ea65MB\uff09\uff0c\u653b\u51fb\u9762\u5c0f\u3002\u4f46\u4e5f\u9700\u8981\u6ce8\u610fAlpine\u4f7f\u7528\u7684musl libc\u4e0e\u4e3b\u6d41glibc\u5b58\u5728\u5dee\u5f02\uff0c\u90e8\u5206\u5e94\u7528\u53ef\u80fd\u4e0d\u517c\u5bb9\u3002\u53e6\u4e00\u79cd\u9009\u62e9\u662f\u4f7f\u7528Google\u7684distroless\u955c\u50cf\uff0c\u5b83\u53ea\u5305\u542b\u8fd0\u884c\u65f6\u4f9d\u8d56\uff0c\u6ca1\u6709\u5305\u7ba1\u7406\u5668\u548cshell\u2014\u2014\u653b\u51fb\u8005\u65e0\u6cd5\u901a\u8fc7SSH\u6216bash\u8fdb\u5165\u5bb9\u5668\u3002<\/p>\n

\u955c\u50cf\u626b\u63cf\u4e0e\u6f0f\u6d1e\u7ba1\u7406<\/h3>\n

\u5728CI\/CD\u7ba1\u9053\u4e2d\u96c6\u6210\u955c\u50cf\u626b\u63cf\u5de5\u5177\u662f\u57fa\u672c\u8981\u6c42\u3002\u626b\u63cf\u5de5\u5177\u4f1a\u57fa\u4e8eCVE\u6570\u636e\u5e93\u5bf9\u955c\u50cf\u4e2d\u5b89\u88c5\u7684\u8f6f\u4ef6\u5305\u8fdb\u884c\u6f0f\u6d1e\u68c0\u6d4b\uff0c\u5e76\u6839\u636e\u4e25\u91cd\u7ea7\u522b\u7ed9\u51fa\u8bc4\u4f30\u3002<\/p>\n

\u5b9e\u64cd\u8981\u70b9\u662f\u6f0f\u6d1e\u4fee\u590d\u7b56\u7565\u7684\u5206\u7ea7\u7ba1\u7406\uff1aCritical\u7ea7\u522b\u7684\u6f0f\u6d1e\u539f\u5219\u4e0a\u4e0d\u5e94\u4e0a\u7ebf\uff0c\u5fc5\u987b\u5728\u6784\u5efa\u9636\u6bb5\u963b\u65ad\uff1bHigh\u7ea7\u522b\u7684\u6f0f\u6d1e\u5e94\u572848\u5c0f\u65f6\u5185\u5236\u5b9a\u4fee\u590d\u8ba1\u5212\uff1bMedium\u53ca\u4ee5\u4e0b\u53ef\u4ee5\u6839\u636e\u4e1a\u52a1\u8282\u594f\u6392\u671f\u5904\u7406\u3002<\/p>\n

\u4e00\u4e2a\u5bb9\u6613\u88ab\u5ffd\u7565\u7684\u95ee\u9898\u662f\u57fa\u7840\u955c\u50cf\u7684\u6301\u7eed\u66f4\u65b0\u3002\u5f88\u591a\u56e2\u961f\u5728\u4e0a\u7ebf\u65f6\u626b\u63cf\u4e00\u6b21\u5c31\u4e0d\u518d\u5173\u6ce8\uff0c\u4f46CVE\u6570\u636e\u5e93\u6bcf\u5929\u90fd\u5728\u66f4\u65b0\u2014\u2014\u4e0a\u5468\u626b\u63cf\u901a\u8fc7\u7684\u57fa\u7840\u955c\u50cf\uff0c\u8fd9\u5468\u53ef\u80fd\u5c31\u51fa\u73b0\u4e86\u65b0\u7684\u9ad8\u5371\u6f0f\u6d1e\u3002\u56e0\u6b64\uff0c\u5efa\u7acb\u5b9a\u671f\u91cd\u65b0\u626b\u63cf\u7684\u673a\u5236\uff08\u5efa\u8bae\u6bcf\u5468\u81f3\u5c11\u4e00\u6b21\uff09\u975e\u5e38\u5fc5\u8981\u3002<\/p>\n

\u955c\u50cf\u7b7e\u540d\u4e0e\u4fe1\u4efb\u94fe<\/h3>\n

\u4e3a\u4e86\u9632\u6b62\u6076\u610f\u955c\u50cf\u88ab\u6ce8\u5165\u5230\u751f\u4ea7\u73af\u5883\uff0c\u955c\u50cf\u7b7e\u540d\u673a\u5236\u5df2\u7ecf\u9010\u6b65\u6210\u4e3a\u884c\u4e1a\u6807\u51c6\u3002\u901a\u8fc7\u4f7f\u7528Notary\u6216Cosign\u7b49\u5de5\u5177\uff0c\u5bf9\u955c\u50cf\u8fdb\u884c\u6570\u5b57\u7b7e\u540d\uff0c\u5728K8s\u96c6\u7fa4\u4e2d\u914d\u7f6e\u7b56\u7565\u53ea\u8fd0\u884c\u7ecf\u8fc7\u7b7e\u540d\u7684\u955c\u50cf\u3002<\/p>\n

\u5b9e\u9645\u5b9e\u65bd\u65f6\uff0c\u53ef\u4ee5\u7ed3\u5408\u51c6\u5165\u63a7\u5236\u5668\uff08Admission Controller\uff09\u5b9e\u73b0\u7b56\u7565\u6267\u884c\u2014\u2014\u4efb\u4f55\u672a\u7b7e\u540d\u7684\u955c\u50cf\u6216\u7b7e\u540d\u9a8c\u8bc1\u5931\u8d25\u7684\u955c\u50cf\uff0c\u90fd\u4f1a\u88abK8s\u62d2\u7edd\u8c03\u5ea6\u3002<\/p>\n

\u9636\u6bb5\u4e8c\uff1aK8s\u96c6\u7fa4\u5b89\u5168\u2014\u2014\u7b51\u597d\u57fa\u7840\u9632\u7ebf<\/h2>\n

\u96c6\u7fa4\u5c42\u9762\u7684\u5b89\u5168\u914d\u7f6e\u51b3\u5b9a\u4e86\u6574\u4e2a\u5e73\u53f0\u7684\u5b89\u5168\u57fa\u7ebf\u3002\u4ee5\u4e0b\u662f\u6700\u5173\u952e\u7684\u51e0\u4e2a\u914d\u7f6e\u9886\u57df\u3002<\/p>\n

RBAC\u6743\u9650\u6700\u5c0f\u5316<\/h3>\n

Kubernetes\u7684RBAC\u662f\u8bbf\u95ee\u63a7\u5236\u7684\u6838\u5fc3\uff0c\u4f46\u4e5f\u662f\u6700\u5bb9\u6613\u88ab\u9519\u8bef\u914d\u7f6e\u7684\u9886\u57df\u3002\u5b9e\u8df5\u4e2d\u5e38\u89c1\u7684\u9519\u8bef\u5305\u62ec\uff1a\u4e3aServiceAccount\u7ed1\u5b9acluster-admin\u89d2\u8272\u3001\u4e3a\u547d\u540d\u7a7a\u95f4\u7ba1\u7406\u5458\u6388\u6743\u8fc7\u5927\u7684\u8de8\u547d\u540d\u7a7a\u95f4\u6743\u9650\u3001\u6743\u9650\u7ed1\u5b9a\u4e0e\u6700\u5c0f\u6743\u9650\u539f\u5219\u4e25\u91cd\u504f\u79bb\u3002<\/p>\n

\u5b9e\u65bd\u5efa\u8bae\uff1a\u907f\u514d\u4f7f\u7528\u9ed8\u8ba4\u7684default ServiceAccount\uff1b\u6bcf\u4e2a\u5e94\u7528\u4f7f\u7528\u72ec\u7acb\u7684ServiceAccount\uff1b\u4e25\u683c\u9075\u5faa\u89d2\u8272\u7ed1\u5b9a\u5230\u5177\u4f53\u547d\u540d\u7a7a\u95f4\uff1b\u5b9a\u671f\u5ba1\u8ba1\u6743\u9650\u7ed1\u5b9a\u5173\u7cfb\u3002\u53ef\u4ee5\u501f\u52a9kubectl-who-can\u6216\u5f00\u6e90\u5de5\u5177\u67e5\u770b\u8c01\u6709\u4ec0\u4e48\u6743\u9650\u3002<\/p>\n

Pod\u5b89\u5168\u7b56\u7565\u4e0e\u5b89\u5168\u4e0a\u4e0b\u6587<\/h3>\n

\u5728Pod\u7ea7\u522b\u914d\u7f6e\u5b89\u5168\u4e0a\u4e0b\u6587\uff08Security Context\uff09\u662f\u6700\u76f4\u63a5\u7684\u5b89\u5168\u63a7\u5236\u3002\u5173\u952e\u914d\u7f6e\u5305\u62ec\uff1a\u4e0d\u5141\u8bb8\u7279\u6743\u6a21\u5f0f\u8fd0\u884c\uff08privileged: false\uff09\u3001\u4e0d\u5141\u8bb8\u5bb9\u5668\u4ee5root\u7528\u6237\u8fd0\u884c\uff08runAsNonRoot: true\uff09\u3001\u53ea\u8bfb\u6839\u6587\u4ef6\u7cfb\u7edf\uff08readOnlyRootFilesystem: true\uff09\u3001\u7981\u7528\u80fd\u529b\u63d0\u5347\uff08allowPrivilegeEscalation: false\uff09\u3002<\/p>\n

\u4eceK8s 1.23\u5f00\u59cb\uff0cPod Security Admission\uff08PSA\uff09\u66ff\u4ee3\u4e86\u539f\u6765\u7684Pod Security Policy\uff08PSP\uff09\uff0c\u63d0\u4f9b\u4e86\u4e09\u79cd\u5185\u7f6e\u7b56\u7565\u6a21\u5f0f\uff1aprivileged\uff08\u5bbd\u677e\u6a21\u5f0f\uff0c\u65e0\u9650\u5236\uff09\u3001baseline\uff08\u57fa\u7ebf\u6a21\u5f0f\uff0c\u963b\u6b62\u5df2\u77e5\u7684\u7279\u6743\u63d0\u5347\uff09\u3001restricted\uff08\u4e25\u683c\u6a21\u5f0f\uff0c\u9075\u5faaPod\u5b89\u5168\u6700\u4f73\u5b9e\u8df5\uff09\u3002<\/p>\n

\u5efa\u8bae\u6240\u6709\u751f\u4ea7\u547d\u540d\u7a7a\u95f4\u81f3\u5c11\u542f\u7528baseline\u7ea7\u522b\u7684PSA\uff0c\u65b0\u90e8\u7f72\u7684\u5e94\u7528\u9010\u6b65\u8fc1\u79fb\u5230restricted\u7ea7\u522b\u3002<\/p>\n

\u7f51\u7edc\u7b56\u7565\u9694\u79bb<\/h3>\n

\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cK8s\u96c6\u7fa4\u4e2d\u7684Pod\u4e4b\u95f4\u53ef\u4ee5\u4efb\u610f\u901a\u4fe1\uff0c\u8fd9\u76f8\u5f53\u4e8e"\u6240\u6709\u7aef\u53e3\u5bf9\u6240\u6709\u4eba\u5f00\u653e"\u3002\u7f51\u7edc\u7b56\u7565\uff08NetworkPolicy\uff09\u662f\u5b9e\u73b0\u5fae\u9694\u79bb\u7684\u5173\u952e\u5de5\u5177\u3002<\/p>\n

\u5b9e\u65bd\u8def\u5f84\uff1a\u5148\u5b9a\u4e49default-deny\u89c4\u5219\uff0c\u62d2\u7edd\u547d\u540d\u7a7a\u95f4\u5185\u6240\u6709\u5165\u7ad9\u548c\u51fa\u7ad9\u6d41\u91cf\uff1b\u7136\u540e\u4e3a\u6bcf\u4e2a\u5e94\u7528\u5b9a\u4e49\u7cbe\u7ec6\u7684\u5141\u8bb8\u89c4\u5219\u3002\u4f8b\u5982\uff0c\u524d\u7aef\u670d\u52a1\u53ea\u5141\u8bb8\u4eceIngress\u5165\u7ad9\uff0c\u53ea\u5141\u8bb8\u5411\u540e\u7aefAPI\u670d\u52a1\u51fa\u7ad9\uff1b\u540e\u7aefAPI\u670d\u52a1\u53ea\u5141\u8bb8\u4ece\u524d\u7aef\u5165\u7ad9\uff0c\u53ea\u5141\u8bb8\u5411\u6570\u636e\u5e93\u51fa\u7ad9\u3002<\/p>\n

\u8fd9\u6837\u5373\u4f7f\u67d0\u4e2aPod\u88ab\u653b\u7834\uff0c\u653b\u51fb\u8005\u7684\u6a2a\u5411\u79fb\u52a8\u8303\u56f4\u4e5f\u88ab\u6781\u5927\u9650\u5236\u3002<\/p>\n

\u9636\u6bb5\u4e09\uff1a\u8fd0\u884c\u65f6\u5b89\u5168\u2014\u2014\u7eb5\u6df1\u9632\u5fa1\u7684\u6700\u540e\u4e00\u9053\u9632\u7ebf<\/h2>\n

\u524d\u9762\u7684\u63aa\u65bd\u90fd\u662f\u9884\u9632\u6027\u7684\uff0c\u800c\u8fd0\u884c\u65f6\u5b89\u5168\u627f\u62c5\u4e86"\u68c0\u6d4b\u548c\u54cd\u5e94"\u7684\u5173\u952e\u804c\u8d23\u3002\u5728\u5bb9\u5668\u8fd0\u884c\u65f6\u8fdb\u884c\u5b9e\u65f6\u76d1\u63a7\uff0c\u662f\u53d1\u73b0\u5165\u4fb5\u884c\u4e3a\u5e76\u963b\u6b62\u6269\u6563\u7684\u6838\u5fc3\u80fd\u529b\u3002<\/p>\n

\u6587\u4ef6\u7cfb\u7edf\u4e0e\u8fdb\u7a0b\u76d1\u63a7<\/h3>\n

\u5bb9\u5668\u8fd0\u884c\u65f6\u884c\u4e3a\u7684\u5f02\u5e38\u76d1\u63a7\uff0c\u901a\u5e38\u901a\u8fc7eBPF\u6280\u672f\u5b9e\u73b0\u3002eBPF\u53ef\u4ee5\u5728\u5185\u6838\u5c42\u9762\u6355\u83b7\u7cfb\u7edf\u8c03\u7528\uff08syscall\uff09\uff0c\u8bc6\u522b\u5bb9\u5668\u5185\u8fd0\u884c\u7684\u8fdb\u7a0b\u3001\u8bbf\u95ee\u7684\u6587\u4ef6\u548c\u7f51\u7edc\u8fde\u63a5\u3002<\/p>\n

\u9700\u8981\u91cd\u70b9\u76d1\u63a7\u7684\u5f02\u5e38\u884c\u4e3a\u5305\u62ec\uff1a\u5bb9\u5668\u5185\u8fd0\u884c\u4e86\u8ba1\u5212\u5916\u7684\u53ef\u7591\u8fdb\u7a0b\uff08\u5982\u6316\u77ff\u7a0b\u5e8f\u3001\u626b\u63cf\u5de5\u5177\uff09\uff1b\u5bb9\u5668\u8fdb\u7a0b\u5199\u5165\u4e86\u7cfb\u7edf\u5173\u952e\u8def\u5f84\uff08\u5982\/etc\/shadow\uff09\uff1b\u5f02\u5e38\u7684\u7f51\u7edc\u8fde\u63a5\u884c\u4e3a\uff08\u5982\u53cd\u5411Shell\u3001\u5411\u672a\u77e5\u5916\u7f51\u53d1\u8d77\u8fde\u63a5\uff09\u3002<\/p>\n

\u5e38\u89c1\u7684\u5f00\u6e90\u8fd0\u884c\u65f6\u5b89\u5168\u5de5\u5177\u5305\u62ecFalco\uff0c\u5b83\u901a\u8fc7\u89c4\u5219\u5f15\u64ce\u5206\u6790\u7cfb\u7edf\u8c03\u7528\u6765\u5b9e\u65f6\u68c0\u6d4b\u5a01\u80c1\u3002Falco\u7684\u89c4\u5219\u5f15\u64ce\u53ef\u4ee5\u57fa\u4e8e\u4e25\u91cd\u7ea7\u522b\u544a\u8b66\u6216\u963b\u65ad\u3002<\/p>\n

\u5bb9\u5668\u9003\u9038\u68c0\u6d4b<\/h3>\n

\u5bb9\u5668\u9003\u9038\u662fK8s\u73af\u5883\u4e2d\u98ce\u9669\u6700\u9ad8\u7684\u653b\u51fb\u4e8b\u4ef6\u3002\u4e00\u65e6\u9003\u9038\u6210\u529f\uff0c\u653b\u51fb\u8005\u83b7\u5f97\u5bbf\u4e3b\u673a\u7684\u63a7\u5236\u6743\uff0c\u6574\u4e2a\u96c6\u7fa4\u9762\u4e34\u5931\u9677\u98ce\u9669\u3002<\/p>\n

\u5e38\u89c1\u7684\u9003\u9038\u8def\u5f84\u5305\u62ec\uff1a\u5229\u7528\u5185\u6838\u6f0f\u6d1e\uff08\u5982Dirty Pipe\u3001Dirty Cow\uff09\uff1b\u5229\u7528\u914d\u7f6e\u4e0d\u5f53\uff08\u5982\u7279\u6743\u5bb9\u5668\u3001\u6302\u8f7d\u4e86\u5bbf\u4e3b\u673a\u7684\u654f\u611f\u76ee\u5f55\uff09\uff1b\u5229\u7528Docker\/containerd\u7684\u6f0f\u6d1e\u3002<\/p>\n

\u68c0\u6d4b\u7b56\u7565\uff1a\u91cd\u70b9\u5173\u6ce8privileged\u5bb9\u5668\u2014\u2014\u5982\u679c\u4e00\u4e2a\u5bb9\u5668\u4ee5\u7279\u6743\u6a21\u5f0f\u8fd0\u884c\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u901a\u8fc7mount\u5bbf\u4e3b\u673a\u7684\/dev\u76ee\u5f55\u7b49\u65b9\u5f0f\u8f7b\u677e\u9003\u9038\u3002\u8fd0\u884c\u65f6\u76d1\u63a7\u89c4\u5219\u4e2d\uff0c\u5e94\u628a\u7279\u6743\u5bb9\u5668\u7684\u7cfb\u7edf\u8c03\u7528\u884c\u4e3a\u8bbe\u4e3a\u6700\u9ad8\u544a\u8b66\u7ea7\u522b\u3002<\/p>\n

\u51c6\u5165\u63a7\u5236\u5668\u6269\u5c55<\/h3>\n

\u9664\u4e86\u57fa\u7840\u7684POD\u5b89\u5168\u51c6\u5165\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u51c6\u5165\u63a7\u5236\u5668Webhook\u5b9e\u73b0\u66f4\u7cbe\u7ec6\u7684\u5b89\u5168\u63a7\u5236\u3002\u5e38\u89c1\u7684\u6269\u5c55\u573a\u666f\u5305\u62ec\uff1a\u68c0\u67e5\u955c\u50cf\u6765\u6e90\u662f\u5426\u5728\u53ef\u4fe1\u4ed3\u5e93\u5217\u8868\u4e2d\uff1b\u68c0\u67e5\u5bb9\u5668\u662f\u5426\u8bbe\u7f6e\u4e86\u8d44\u6e90\u9650\u5236\uff08CPU\/Memory Limit\uff09\uff1b\u68c0\u67e5ConfigMap\u548cSecret\u7684\u5f15\u7528\u662f\u5426\u5b89\u5168\uff1b\u68c0\u67e5\u662f\u5426\u914d\u7f6e\u4e86\u5065\u5eb7\u68c0\u67e5\u63a2\u9488\u3002<\/p>\n

Kyverno\u662f\u76ee\u524d\u6bd4\u8f83\u6d3b\u8dc3\u7684\u7b56\u7565\u5f15\u64ce\u5de5\u5177\uff0c\u5b83\u901a\u8fc7K8s\u539f\u751f\u7684\u81ea\u5b9a\u4e49\u8d44\u6e90\u5b9a\u4e49\u6765\u7ba1\u7406\u51c6\u5165\u7b56\u7565\uff0c\u4e0d\u9700\u8981\u7f16\u5199Webhook\u4ee3\u7801\u3002\u5bf9\u4e8e\u5927\u578b\u96c6\u7fa4\u7684\u7edf\u4e00\u5b89\u5168\u7b56\u7565\u7ba1\u7406\uff0cKyverno\u662f\u503c\u5f97\u4f18\u5148\u8003\u8651\u7684\u9009\u9879\u3002<\/p>\n

\u9636\u6bb5\u56db\uff1a\u5408\u89c4\u4e0e\u6301\u7eed\u5ba1\u8ba1<\/h2>\n

\u5b89\u5168\u4e0d\u662f\u4e00\u6b21\u6027\u7684\u914d\u7f6e\u5de5\u4f5c\uff0c\u800c\u662f\u4e00\u4e2a\u6301\u7eed\u8fd0\u8425\u7684\u8fc7\u7a0b\u3002\u5408\u89c4\u5ba1\u8ba1\u662f\u95ed\u73af\u7684\u5fc5\u9009\u9879\u3002<\/p>\n

\u914d\u7f6e\u5408\u89c4\u57fa\u7ebf<\/h3>\n

CIS Kubernetes Benchmark\u662f\u76ee\u524d\u4e1a\u754c\u88ab\u5e7f\u6cdb\u63a5\u53d7\u7684K8s\u5b89\u5168\u57fa\u7ebf\u6807\u51c6\u3002\u5b83\u6db5\u76d6\u4e86Master\u8282\u70b9\u5b89\u5168\u914d\u7f6e\u3001Worker\u8282\u70b9\u5b89\u5168\u914d\u7f6e\u3001Kublet\u914d\u7f6e\u3001API Server\u914d\u7f6e\u7b49\u591a\u4e2a\u7ef4\u5ea6\uff0c\u603b\u8ba1\u8d85\u8fc7140\u9879\u68c0\u67e5\u9879\u3002<\/p>\n

\u5b9e\u9645\u5b9e\u65bd\u65f6\uff0c\u5efa\u8bae\u4f7f\u7528kube-bench\u7b49\u81ea\u52a8\u5316\u5de5\u5177\u5b9a\u671f\u626b\u63cf\u96c6\u7fa4\u7684\u5408\u89c4\u72b6\u6001\u3002\u9996\u6b21\u5b9e\u65bd\u65f6\u53ef\u80fd\u4f1a\u53d1\u73b0\u5927\u91cf\u7684\u4e0d\u5408\u89c4\u9879\uff0c\u5efa\u8bae\u6309\u7167\u98ce\u9669\u7b49\u7ea7\u5206\u6279\u6574\u6539\u3002\u4e00\u822c\u4eceCritical\u548cHigh\u7ea7\u522b\u7684\u914d\u7f6e\u9879\u5f00\u59cb\uff0c\u9010\u6b65\u8fbe\u6807\u3002<\/p>\n

\u65e5\u5fd7\u5ba1\u8ba1\u4e0e\u4e8b\u4ef6\u54cd\u5e94<\/h3>\n

Kubernetes\u7684\u5ba1\u8ba1\u65e5\u5fd7\uff08Audit Log\uff09\u8bb0\u5f55\u4e86\u6240\u6709\u7ecf\u8fc7API Server\u7684\u8bf7\u6c42\uff0c\u5305\u62ec\u8bf7\u6c42\u6765\u6e90\u3001\u64cd\u4f5c\u7684\u8d44\u6e90\u3001\u64cd\u4f5c\u7ed3\u679c\u7b49\u3002\u5f00\u542f\u5ba1\u8ba1\u65e5\u5fd7\u662fK8s\u5b89\u5168\u8fd0\u8425\u7684\u57fa\u7840\u3002<\/p>\n

\u914d\u7f6e\u8981\u70b9\u5305\u62ec\uff1a\u5ba1\u8ba1\u65e5\u5fd7\u6295\u9012\u5230\u96c6\u4e2d\u5f0f\u65e5\u5fd7\u5e73\u53f0\uff08\u5982Elasticsearch\u6216Splunk\uff09\uff1b\u8bbe\u7f6e\u5408\u7406\u7684\u5ba1\u8ba1\u89c4\u5219\uff0c\u907f\u514d\u65e5\u5fd7\u91cf\u8fc7\u5927\uff1b\u914d\u7f6e\u5173\u952e\u4e8b\u4ef6\u7684\u544a\u8b66\uff0c\u5982"\u521b\u5efa\u7279\u6743Pod""\u7ed1\u5b9acluster-admin\u89d2\u8272""\u5f02\u5e38\u7684API Server\u8bbf\u95ee"\u3002<\/p>\n

\u4e8b\u4ef6\u54cd\u5e94\u65b9\u9762\uff0c\u5efa\u8bae\u9488\u5bf9\u5bb9\u5668\u73af\u5883\u5e38\u89c1\u7684\u653b\u51fb\u573a\u666f\u5efa\u7acbSOP\uff1a\u6bd4\u5982\u68c0\u6d4b\u5230\u6316\u77ff\u884c\u4e3a\u65f6\u7684\u5904\u7f6e\u6d41\u7a0b\u3001\u53d1\u73b0\u5bb9\u5668\u9003\u9038\u65f6\u7684\u96c6\u7fa4\u9694\u79bb\u9884\u6848\u3001\u955c\u50cf\u6f0f\u6d1e\u88ab\u5229\u7528\u65f6\u7684\u5e94\u6025\u4fee\u590d\u8def\u5f84\u3002<\/p>\n

\u843d\u5730\u8def\u7ebf\u56fe\uff1a\u4ece\u96f6\u5f00\u59cb\u5206\u6b65\u5efa\u8bbe<\/h2>\n

\u5bf9\u4e8e\u5927\u591a\u6570\u6b63\u5728\u63a8\u8fdb\u5bb9\u5668\u5316\u7684\u56e2\u961f\u6765\u8bf4\uff0c\u5b89\u5168\u5efa\u8bbe\u4e0d\u5fc5\u4e00\u6b65\u5230\u4f4d\u3002\u5efa\u8bae\u6309\u7167\u4ee5\u4e0b\u4f18\u5148\u7ea7\u5206\u9636\u6bb5\u843d\u5730\uff1a<\/p>\n

\u7b2c\u4e00\u9636\u6bb5\uff08\u5feb\u901f\u89c1\u6548\uff09\uff1a\u955c\u50cf\u626b\u63cf\u7eb3\u5165CI\/CD\u3001\u542f\u7528Pod Security Admission\u3001\u914d\u7f6e\u57fa\u7840\u7f51\u7edc\u7b56\u7565\u3001\u5f00\u542fK8s\u5ba1\u8ba1\u65e5\u5fd7\u3002\u8fd9\u4e9b\u63aa\u65bd\u5b9e\u65bd\u6210\u672c\u4f4e\u3001\u5bf9\u4e1a\u52a1\u5f71\u54cd\u5c0f\uff0c\u4f46\u80fd\u663e\u8457\u63d0\u5347\u5b89\u5168\u57fa\u7ebf\uff0c\u63a8\u83501-2\u5468\u5185\u5b8c\u6210\u3002<\/p>\n

\u7b2c\u4e8c\u9636\u6bb5\uff08\u7eb5\u6df1\u9632\u5fa1\uff09\uff1a\u90e8\u7f72\u8fd0\u884c\u65f6\u5b89\u5168\u76d1\u63a7\uff08Falco\uff09\u3001\u5b9e\u65bd\u51c6\u5165\u63a7\u5236\u7b56\u7565\uff08Kyverno\uff09\u3001\u914d\u7f6eCIS\u5408\u89c4\u626b\u63cf\u3001\u5efa\u7acb\u5bb9\u5668\u955c\u50cf\u7b7e\u540d\u4f53\u7cfb\u3002\u8fd9\u4e9b\u63aa\u65bd\u9700\u8981\u4e00\u5b9a\u7684\u57fa\u7840\u8bbe\u65bd\u6295\u5165\uff0c\u5efa\u8bae1-2\u4e2a\u6708\u5185\u5b8c\u6210\u3002<\/p>\n

\u7b2c\u4e09\u9636\u6bb5\uff08\u6301\u7eed\u8fd0\u8425\uff09\uff1a\u5efa\u7acb\u5b8c\u6574\u7684\u5bb9\u5668\u5b89\u5168\u8fd0\u8425\u6d41\u7a0b\u3001\u5b9a\u671f\u7ea2\u961f\u6f14\u7ec3\u3001\u5b89\u5168\u4e8b\u4ef6\u81ea\u52a8\u5316\u54cd\u5e94\u3001\u4f9b\u5e94\u94fe\u5b89\u5168\u7ba1\u7406\u7b49\u3002\u8fd9\u662f\u6301\u7eed\u4f18\u5316\u7684\u9636\u6bb5\uff0c\u9700\u8981\u5b89\u5168\u56e2\u961f\u548c\u8fd0\u7ef4\u56e2\u961f\u7684\u957f\u671f\u534f\u4f5c\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

\u5bb9\u5668\u5b89\u5168\u4e0d\u662f\u7b80\u5355\u7684"\u628a\u9632\u706b\u5899\u89c4\u5219\u642c\u5230K8s\u91cc"\uff0c\u800c\u662f\u4e00\u5957\u9700\u8981\u8d2f\u7a7f\u955c\u50cf\u6784\u5efa\u3001\u96c6\u7fa4\u914d\u7f6e\u3001\u8fd0\u884c\u65f6\u76d1\u63a7\u548c\u6301\u7eed\u5ba1\u8ba1\u7684\u5168\u94fe\u8def\u5b89\u5168\u4f53\u7cfb\u3002\u4ece\u955c\u50cf\u4f9b\u5e94\u94fe\u5230K8s\u914d\u7f6e\uff0c\u4ece\u8fd0\u884c\u65f6\u884c\u4e3a\u76d1\u63a7\u5230\u5408\u89c4\u5ba1\u8ba1\uff0c\u6bcf\u4e00\u5c42\u90fd\u9700\u8981\u5efa\u7acb\u76f8\u5e94\u7684\u9632\u62a4\u673a\u5236\u3002<\/p>\n

\u6700\u540e\uff0c\u63d0\u9192\u5404\u4f4d\u6b63\u5728\u5efa\u8bbe\u5bb9\u5668\u5e73\u53f0\u7684\u670b\u53cb\uff1a\u5b89\u5168\u4e0e\u6548\u7387\u4ece\u6765\u4e0d\u662f\u975e\u6b64\u5373\u5f7c\u7684\u9009\u62e9\u3002\u901a\u8fc7\u5408\u7406\u7684\u5b89\u5168\u7b56\u7565\u548c\u81ea\u52a8\u5316\u7684\u5b89\u5168\u5de5\u5177\uff0c\u5b8c\u5168\u53ef\u4ee5\u5728\u4fdd\u969c\u5b89\u5168\u7684\u540c\u65f6\u4fdd\u6301\u7814\u53d1\u6548\u7387\u3002\u6838\u5fc3\u5728\u4e8e\u5c06\u5b89\u5168\u5185\u5efa\u4e8e\u5e73\u53f0\u80fd\u529b\u4e4b\u4e2d\uff0c\u800c\u975e\u4e8b\u540e\u6253\u8865\u4e01\u2014\u2014\u8fd9\u624d\u662f\u5bb9\u5668\u5b89\u5168\u7684\u6b63\u786e\u6253\u5f00\u65b9\u5f0f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u5bb9\u5668\u548cKubernetes\u5df2\u7ecf\u6210\u4e3a\u4f01\u4e1a\u5e94\u7528\u90e8\u7f72\u7684\u4e8b\u5b9e\u6807\u51c6\u3002\u4f46\u4f34\u968f\u7740\u5bb9\u5668\u5316\u6539\u9020\u7684\u63a8\u8fdb\uff0c\u5b89\u5168\u98ce\u9669\u4e5f\u5728\u5feb\u901f\u6f14\u53d8\u2014\u2014\u4f20 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[34,37,32],"class_list":["post-139","post","type-post","status-publish","format-standard","hentry","category-iso","tag-34","tag-37","tag-32"],"_links":{"self":[{"href":"https:\/\/www.joezhou.top\/index.php?rest_route=\/wp\/v2\/posts\/139","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.joezhou.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.joezhou.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.joezhou.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.joezhou.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=139"}],"version-history":[{"count":1,"href":"https:\/\/www.joezhou.top\/index.php?rest_route=\/wp\/v2\/posts\/139\/revisions"}],"predecessor-version":[{"id":246,"href":"https:\/\/www.joezhou.top\/index.php?rest_route=\/wp\/v2\/posts\/139\/revisions\/246"}],"wp:attachment":[{"href":"https:\/\/www.joezhou.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=139"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.joezhou.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=139"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.joezhou.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=139"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}