{"id":32507,"date":"2026-08-10T10:00:00","date_gmt":"2026-08-10T02:00:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=32507"},"modified":"2026-08-15T21:41:33","modified_gmt":"2026-08-15T13:41:33","slug":"container-security-hardening","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/guides\/container-security-hardening\/","title":{"rendered":"\u5bb9\u5668\u5b89\u5168\u52a0\u56fa\u6307\u5357\uff1a\u4ece\u955c\u50cf\u626b\u63cf\u5230\u8fd0\u884c\u65f6\u9632\u62a4"},"content":{"rendered":"

\"\u5bb9\u5668\u5b89\u5168\u52a0\u56fa\u8986\u76d6\u56fe\"<\/p>\n

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\u4e00\u4e2a\u5b9e\u7528\u7684\u8d77\u70b9\u662f\u5efa\u7acb\u201c\u6700\u4f4e\u5b89\u5168\u7ebf\u201d\uff1a\u65b0\u955c\u50cf\u4e0d\u80fd\u5305\u542b\u9ad8\u5371\u6f0f\u6d1e\uff0c\u5bb9\u5668\u4e0d\u80fd\u4f7f\u7528 --privileged<\/code>\uff0c\u751f\u4ea7\u73af\u5883\u4e0d\u80fd\u628a\u5bbf\u4e3b\u673a\u6839\u76ee\u5f55\u6302\u8fdb\u53bb\uff0c\u654f\u611f\u4fe1\u606f\u4e0d\u80fd\u5199\u5165\u955c\u50cf\u5c42\uff0c\u65e5\u5fd7\u81f3\u5c11\u4fdd\u7559 7 \u5230 14 \u5929\u3002\u8fd9\u4e2a\u6807\u51c6\u4e0d\u590d\u6742\uff0c\u4f46\u80fd\u6321\u4f4f\u5927\u91cf\u7531\u8bef\u914d\u7f6e\u5f15\u53d1\u7684\u95ee\u9898\u3002<\/p>\n

\"\u5bb9\u5668\u98ce\u9669\u5206\u5c42\u793a\u610f\"<\/p>\n

\u955c\u50cf\u626b\u63cf\uff1a\u628a\u95ee\u9898\u6321\u5728\u6784\u5efa\u9636\u6bb5<\/h2>\n

\u5bb9\u5668\u955c\u50cf\u662f\u8fd0\u884c\u73af\u5883\u7684\u8d77\u70b9\u3002\u4e00\u4e2a\u955c\u50cf\u901a\u5e38\u5305\u542b\u57fa\u7840\u7cfb\u7edf\u3001\u8bed\u8a00\u8fd0\u884c\u65f6\u3001\u4f9d\u8d56\u5e93\u548c\u4e1a\u52a1\u4ee3\u7801\uff0c\u5176\u4e2d\u4efb\u4e00\u5c42\u8fc7\u671f\u90fd\u53ef\u80fd\u5f15\u5165\u6f0f\u6d1e\u3002\u76f8\u6bd4\u4e0a\u7ebf\u540e\u518d\u6392\u67e5\uff0c\u955c\u50cf\u626b\u63cf\u66f4\u9002\u5408\u524d\u7f6e\u5230 CI\/CD \u6d41\u7a0b\u4e2d\uff0c\u8ba9\u6bcf\u6b21\u5408\u5e76\u6216\u53d1\u5e03\u90fd\u80fd\u5f97\u5230\u53ef\u8ffd\u6eaf\u7ed3\u679c\u3002<\/p>\n

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scanner image registry.example.com\/app:2026-08-10 \\\n  --severity high,critical \\\n  --fail-on critical \\\n  --format json \\\n  --output scan-report.json\n<\/code><\/pre>\n
\u626b\u63cf\u4e0d\u662f\u4e3a\u4e86\u8ffd\u6c42\u96f6\u544a\u8b66\uff0c\u800c\u662f\u4e3a\u4e86\u533a\u5206\u201c\u5fc5\u987b\u9a6c\u4e0a\u4fee\u201d\u548c\u201c\u53ef\u4ee5\u6392\u671f\u4fee\u201d\u3002\u4f8b\u5982\u57fa\u7840\u955c\u50cf\u91cc\u7684 openssl \u7ec4\u4ef6\u51fa\u73b0 critical \u7b49\u7ea7\u6f0f\u6d1e\uff0c\u5e94\u5c3d\u5feb\u5347\u7ea7\u57fa\u7840\u955c\u50cf\u5e76\u91cd\u5efa\uff1b\u5982\u679c\u662f\u5f00\u53d1\u5de5\u5177\u94fe\u6b8b\u7559\u5728\u8fd0\u884c\u955c\u50cf\u4e2d\uff0c\u5219\u5e94\u6539\u7528\u591a\u9636\u6bb5\u6784\u5efa\uff0c\u628a\u7f16\u8bd1\u4f9d\u8d56\u7559\u5728 build stage\uff0c\u53ea\u628a\u8fd0\u884c\u6240\u9700\u6587\u4ef6\u590d\u5236\u5230\u6700\u7ec8\u955c\u50cf\u3002\u8fd9\u6837\u65e2\u80fd\u51cf\u5c11\u6f0f\u6d1e\u9762\uff0c\u4e5f\u80fd\u7f29\u5c0f\u955c\u50cf\u4f53\u79ef\u3002<\/p>\n
\u5728\u955c\u50cf\u547d\u540d\u4e0a\u4e5f\u8981\u907f\u514d\u53ea\u4f7f\u7528 latest<\/code>\u3002\u63a8\u8350\u4f7f\u7528\u201c\u7248\u672c\u53f7 + \u6784\u5efa\u53f7 + \u63d0\u4ea4\u54c8\u5e0c\u201d\u7684\u7ec4\u5408\uff0c\u4f8b\u5982 app:1.8.4-20260810-a1b2c3d<\/code>\u3002\u5f53\u7ebf\u4e0a\u51fa\u73b0\u5f02\u5e38\u65f6\uff0c\u8fd0\u7ef4\u4eba\u5458\u53ef\u4ee5\u5feb\u901f\u5b9a\u4f4d\u4f7f\u7528\u4e86\u54ea\u4e00\u4efd\u955c\u50cf\u3001\u5bf9\u5e94\u54ea\u6b21\u626b\u63cf\u62a5\u544a\uff0c\u5e76\u4e0e \u7f51\u7ad9\u6027\u80fd\u4f18\u5316<\/a> \u6216\u53d1\u5e03\u53d8\u66f4\u8bb0\u5f55\u4e00\u8d77\u6392\u67e5\u3002<\/p>\n
\u6743\u9650\u6536\u655b\uff1a\u4e0d\u8981\u8ba9\u5bb9\u5668\u62ff\u5230\u4e0d\u9700\u8981\u7684\u80fd\u529b<\/h2>\n
\u955c\u50cf\u626b\u63cf\u89e3\u51b3\u201c\u955c\u50cf\u91cc\u6709\u4ec0\u4e48\u201d\uff0c\u6743\u9650\u6536\u655b\u89e3\u51b3\u201c\u5bb9\u5668\u8fd0\u884c\u540e\u80fd\u505a\u4ec0\u4e48\u201d\u3002\u5f88\u591a\u5bb9\u5668\u9ed8\u8ba4\u4ee5 root \u7528\u6237\u8fd0\u884c\uff0c\u4f46\u5bb9\u5668\u5185 root \u5e76\u4e0d\u7b49\u4e8e\u5b8c\u5168\u65e0\u5bb3\uff1b\u5982\u679c\u540c\u65f6\u914d\u7f6e\u4e86\u654f\u611f\u6302\u8f7d\u3001\u8fc7\u5bbd capability\uff08Linux \u5185\u6838\u80fd\u529b\uff09\u6216\u5bbf\u4e3b\u673a\u7f51\u7edc\u6a21\u5f0f\uff0c\u98ce\u9669\u4f1a\u660e\u663e\u653e\u5927\u3002\u751f\u4ea7\u73af\u5883\u5e94\u628a\u201c\u9ed8\u8ba4\u5141\u8bb8\u201d\u6539\u6210\u201c\u6309\u9700\u6388\u6743\u201d\u3002<\/p>\n
\u6700\u76f4\u63a5\u7684\u505a\u6cd5\u662f\u5728 Dockerfile \u4e2d\u521b\u5efa\u666e\u901a\u7528\u6237\uff0c\u5e76\u5728\u8fd0\u884c\u65f6\u9650\u5236\u5199\u5165\u8303\u56f4\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u57fa\u7840\u793a\u4f8b\uff1a<\/p>\n
RUN addgroup --system app && adduser --system --ingroup app app\nUSER app\n\ndocker run --read-only --cap-drop=ALL --security-opt=no-new-privileges:true app:1.8.4\n<\/code><\/pre>\n
\u5982\u679c\u5e94\u7528\u9700\u8981\u5199\u7f13\u5b58\u6216\u4e0a\u4f20\u6587\u4ef6\uff0c\u4e0d\u8981\u56e0\u6b64\u653e\u5f03\u53ea\u8bfb\u6587\u4ef6\u7cfb\u7edf\u3002\u53ef\u4ee5\u628a\u53ef\u5199\u76ee\u5f55\u5355\u72ec\u6302\u8f7d\u51fa\u6765\uff0c\u4f8b\u5982 \/tmp<\/code>\u3001\/var\/cache\/app<\/code> \u6216\u4e1a\u52a1\u4e0a\u4f20\u76ee\u5f55\uff0c\u5e76\u8bbe\u7f6e\u5bb9\u91cf\u4e0a\u9650\u3002\u8fd9\u6837\u5373\u4f7f\u5e94\u7528\u88ab\u5199\u5165\u5927\u91cf\u4e34\u65f6\u6587\u4ef6\uff0c\u4e5f\u4e0d\u4f1a\u628a\u6574\u4e2a\u5bb9\u5668\u5c42\u6216\u5bbf\u4e3b\u673a\u78c1\u76d8\u6253\u6ee1\u3002<\/p>\n
\u6302\u8f7d\u7b56\u7565\u4e5f\u8981\u6709\u8fb9\u754c\u3002\u751f\u4ea7\u5bb9\u5668\u4e0d\u5e94\u6302\u8f7d\u5bbf\u4e3b\u673a\u7684 \/<\/code>\u3001\/var\/run\/docker.sock<\/code> \u6216\u5305\u542b\u5bc6\u94a5\u7684\u76ee\u5f55\uff1b\u5982\u679c\u786e\u5b9e\u9700\u8981\u8bfb\u53d6\u914d\u7f6e\u6587\u4ef6\uff0c\u5e94\u4f7f\u7528\u53ea\u8bfb\u6302\u8f7d\u3002\u5bf9\u4e8e\u6570\u636e\u5e93\u3001\u7f13\u5b58\u3001\u5bf9\u8c61\u5b58\u50a8\u4ee3\u7406\u7b49\u7ec4\u4ef6\uff0c\u7f51\u7edc\u8bbf\u95ee\u8303\u56f4\u8fd8\u8981\u7ed3\u5408\u9632\u706b\u5899\u548c\u5b89\u5168\u7ec4\u7b56\u7565\u6536\u655b\uff0c\u907f\u514d\u5bb9\u5668\u62ff\u5230\u6574\u4e2a\u5185\u7f51\u7684\u8bbf\u95ee\u80fd\u529b\u3002<\/p>\n
\"\u5bb9\u5668\u6743\u9650\u6536\u655b\u793a\u610f\"<\/p>\n
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    \n
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