\u6700\u8fd1\u4e00\u5468\uff0c\u6765\u81ea\u7f51\u7edc\u7684\u201c\u60f3\u54ed\u201d\u52d2\u7d22\u75c5\u6bd2\uff08Wannacry Ransomware\uff09\u5728\u4e16\u754c\u5404\u5730\u540c\u65f6\u4e0a\u6f14\u4e86\u4e00\u90e8\u7ed1\u532a\u5927\u7247\uff0c\u53f0\u8bcd\u534e\u4e3d\uff0c\u6f14\u6280\u51fa\u8272\uff0c\u5f53\u4ec1\u4e0d\u8ba9\u5730\u65b0\u664b\u4e16\u754c\u7b2c\u4e00\u7f51\u7ea2\u3002\u5168\u7403\u5404\u56fd\u9664\u4e86\u9ed8\u9ed8\u5fd9\u4e8e\u4e24\u5f39\u4e00\u661f\u8db3\u4e0d\u51fa\u6237\u7684\u671d\u9c9c\u5916\uff0c\u65e0\u4e0d\u4e3a\u4e4b\u52a8\u5bb9\u3002\u4e00\u65f6\u95f4\uff0c\u5305\u62ec\u201c\u60f3\u54ed\u201d\u75c5\u6bd2\u5728\u5185\u7684\u5404\u79cd\u75c5\u6bd2\u7684\u5404\u79cd\u4f20\u95fb\u4e5f\u706b\u7206\u7f51\u7edc\uff0c\u6211\u4eec\u5e76\u4e0d\u51c6\u5907\u8ddf\u98ce\u5237\u5c4f\uff0c\u53ea\u662f\u6253\u7b97\u672c\u7740\u5b9e\u4e8b\u6c42\u662f\u7684\u7cbe\u795e\uff0c\u79d1\u5b66\u7684\u63a2\u8ba8\u4e00\u4e0b\u5982\u4f55\u4e0e\u5b83\u4eec\u548c\u7766\u76f8\u5904\u3001\u8c08\u7b11\u98ce\u751f\u3002<\/p>\n

\u201c\u60f3\u54ed\u201d\u75c5\u6bd2\u7684\u524d\u4e16\u4eca\u751f<\/strong><\/div>\n
\u9996\u5148\uff0c\u8ba9\u6211\u4eec\u5148\u7b80\u8981\u56de\u987e\u4e00\u4e0b\u4e3b\u89d2\u201c\u60f3\u54ed\u201d\u75c5\u6bd2\u7684\u524d\u4e16\u4eca\u751f\u3002<\/p>\n
\u201c\u60f3\u54ed\u201d\u75c5\u6bd2\u662f\u57fa\u4e8e\u7f51\u7edc\u653b\u51fb\u6846\u67b6\u4e8c\u6b21\u5f00\u53d1\u7684\u7ed3\u679c\uff0c\u5b83\u5229\u7528\u4e86 NSA\uff08\u7f8e\u56fd\u56fd\u5bb6\u5b89\u5168\u5c40\uff09\u7684\u524d\u8f88\u4eec\u7559\u4e0b\u7684\u975e\u7269\u8d28\u6587\u5316\u9057\u4ea7\uff1a\u6c38\u6052\u4e4b\u84dd\uff08ETERNAL BLUE\uff09\u6a21\u5757\uff0c\u9488\u5bf9 Windows SMB \u670d\u52a1\u7684\u5b9e\u73b0\u6f0f\u6d1e\u690d\u5165\u6076\u610f\u4ee3\u7801\uff0c\u518d\u7ed3\u5408\u81ea\u5df1\u7684\u521b\u65b0\uff1a\u52a0\u5bc6\u7528\u6237\u6587\u4ef6\u548c\u663e\u793a\u52d2\u7d22\u58f0\u660e\uff0c\u4e00\u4ee3\u7f51\u7ea2\u52d2\u7d22\u75c5\u6bd2\u7531\u6b64\u8bde\u751f\u3002\u4ece\u75c5\u6bd2\u672c\u8eab\u7684\u8bbe\u8ba1\u6d41\u7a0b\u6765\u770b\uff0c\u4f3c\u4e4e\u5e76\u4e0d\u9700\u8981\u9ad8\u6df1\u7684\u7f16\u7801\u6280\u5de7\u6216\u6df1\u539a\u7684\u7406\u8bba\u6839\u57fa\uff0c\u7136\u800c\u8fd9\u4e5f\u6070\u6070\u662f\u8fd9\u4e00\u4e8b\u4ef6\u4e2d\u6700\u503c\u5f97\u6211\u4eec\u8b66\u60d5\u7684\u5730\u65b9\uff1aNSA \u6cc4\u6f0f\u7684\u653b\u51fb\u6a21\u5757\u8fdc\u4e0d\u6b62\u6c38\u6052\u4e4b\u84dd\u4e00\u79cd\uff0c\u501f\u52a9\u5df2\u6709\u653b\u51fb\u6846\u67b6\u8fdb\u884c\u4e8c\u6b21\u5f00\u53d1\u7684\u96be\u5ea6\u53c8\u5982\u6b64\u4e4b\u4f4e\uff0c\u6240\u4ee5\uff0c\u53ef\u4ee5\u9884\u671f\uff0c\u4e00\u5927\u6ce2\u672a\u77e5\u7684\u75c5\u6bd2\u6b63\u5728\u6765\u88ad\u7684\u8def\u4e0a\u3002<\/p>\n
\u5148\u8981\u5145\u5206\u4e86\u89e3\u5bf9\u624b\uff0c\u6240\u4ee5\u63a5\u4e0b\u6765\u6211\u4eec\u8fdb\u4e00\u6b65\u4e86\u89e3\u4e00\u4e0b\u4ec0\u4e48\u662f\u75c5\u6bd2\uff1f\u75c5\u6bd2\u662f\u5982\u4f55\u4ee5\u5371\u9669\u65b9\u5f0f\u5371\u5bb3\u516c\u5171\u5b89\u5168\u7684\uff1f\u53c8\u662f\u600e\u6837\u8fdb\u5165\u6211\u4eec\u7684\u7cfb\u7edf\u7684\uff1f<\/p>\n
\u75c5\u6bd2\u7531\u4e00\u6bb5\u53ef\u6267\u884c\u4ee3\u7801\u4e0e\u6570\u636e\u6784\u6210\uff0c\u81ea\u8eab\u4e0d\u80fd\u5728\u88f8\u673a\u4e0a\u8fd0\u884c\uff0c\u901a\u8fc7\u9002\u5f53\u7684\u9014\u5f84\u4fb5\u5165\u5bbf\u4e3b\u64cd\u4f5c\u7cfb\u7edf\uff0c\u901a\u8fc7\u5bbf\u4e3b\u7cfb\u7edf\u4e2d\u7684\u5b58\u50a8\u548c\u7f51\u7edc\u5b9e\u73b0\u590d\u5236\u4f20\u64ad\u3002<\/p>\n
Wirth \u6559\u6388\u6559\u5bfc\u6211\u4eec\uff1a<\/p>\n
\n
\u7b97\u6cd5+\u6570\u636e\u7ed3\u6784=\u7a0b\u5e8f<\/li>\n
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\u5982\u4f55\u5e94\u5bf9\u5404\u79cd\u75c5\u6bd2\u5a01\u80c1<\/strong><\/div>\n
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\u5bf9\u4e8e\u5927\u591a\u6570\u7528\u6237\uff0c\u826f\u597d\u7684\u4f7f\u7528\u4e60\u60ef\u662f\u7b2c\u4e00\u4f4d\u7684\u3002\u5821\u5792\u5f80\u5f80\u4ece\u5185\u90e8\u88ab\u653b\u514b\uff0c\u518d\u5b89\u5168\u7684\u64cd\u4f5c\u7cfb\u7edf\uff0c\u518d\u5f3a\u5927\u7684\u5b89\u5168\u673a\u5236\uff0c\u90fd\u96be\u4ee5\u963b\u6b62\u7528\u6237\u81ea\u6211\u6bc1\u706d\u7684\u811a\u6b65\u3002\u826f\u597d\u7684\u4f7f\u7528\u4e60\u60ef\u4e2d\u6700\u91cd\u8981\u7684\uff0c\u662f\u5b89\u5168\u66f4\u65b0\uff0c\u5b89\u5168\u66f4\u65b0\uff0c\u5b89\u5168\u66f4\u65b0\uff01\u4e3a\u4ec0\u4e48\u5462\uff1f\u8fd9\u8981\u5148\u8c08\u4e00\u4e0b\u64cd\u4f5c\u7cfb\u7edf\u6f0f\u6d1e\u7684\u7531\u6765\u3002<\/p>\n
\u6f0f\u6d1e\u5b9e\u9645\u662f\u8f6f\u4ef6\u7f3a\u9677\u7684\u4e00\u79cd\uff0c\u4e5f\u5c31\u662f\u4fd7\u79f0\u7684 bug\uff0c\u662f\u7531\u4e8e\u8f6f\u4ef6\u5f00\u53d1\u4eba\u5458\u7684\u758f\u5ffd\u800c\u5bfc\u81f4\u7a0b\u5e8f\u6ca1\u6709\u6309\u7167\u9884\u671f\u7684\u65b9\u5f0f\u8fd0\u884c\u3002\u8f6f\u4ef6\u7f3a\u9677\u591a\u79cd\u591a\u6837\uff0c\u6709\u4e9b\u5f88\u5446\uff0c\u6709\u4e9b\u5f88\u840c\uff0c\u4e5f\u5e76\u4e0d\u90fd\u4f1a\u5bf9\u7cfb\u7edf\u5b89\u5168\u6784\u6210\u5a01\u80c1\u3002\u90a3\u4e9b\u4fa5\u5e78\u9003\u8131\u5f00\u53d1\u548c\u6d4b\u8bd5\u4eba\u5458\u7684\u8f6e\u756a\u56f4\u527f\uff0c\u968f\u7740\u8f6f\u4ef6\u7684\u53d1\u5e03\u6563\u843d\u4eba\u95f4\u7684\u8f6f\u4ef6\u7f3a\u9677\uff0c\u4e00\u65e6\u88ab\u9ed1\u5ba2\u4eec\u53d1\u73b0\u3001\u7b56\u53cd\uff0c\u5e76\u501f\u52a9\u81ea\u5df1\u5728\u7cfb\u7edf\u5185\u90e8\u7684\u6709\u5229\u4f4d\u7f6e\uff0c\u62ab\u7740\u5408\u6cd5\u8f6f\u4ef6\u7684\u5916\u8863\uff0c\u505a\u51fa\u9001\u4eba\u5934\u3001\u5751\u961f\u53cb\u7684\u6076\u52a3\u884c\u5f84\u65f6\uff0c\u5c31\u6210\u4e3a\u8f6f\u4ef6\u7cfb\u7edf\u7684\u516c\u654c\uff1a\u6f0f\u6d1e\u3002\u8d8a\u662f\u5e9e\u5927\u548c\u590d\u6742\u7684\u8f6f\u4ef6\u8d8a\u5bb9\u6613\u4ea7\u751f\u6f0f\u6d1e\uff0c\u4e0d\u5e78\u7684\u662f\u64cd\u4f5c\u7cfb\u7edf\u5c31\u662f\u4e00\u7c7b\u6781\u5176\u5e9e\u5927\u800c\u590d\u6742\u7684\u8f6f\u4ef6\u7cfb\u7edf\u3002<\/p>\n
\u867d\u7136\u64cd\u4f5c\u7cfb\u7edf\u6f0f\u6d1e\u5e38\u5e38\u96be\u4ee5\u5b8c\u5168\u907f\u514d\uff0c\u7136\u800c\u67d0\u4e2a\u6f0f\u6d1e\u4e00\u65e6\u88ab\u53d1\u73b0\uff0c\u5f00\u53d1\u5382\u5546\u90fd\u4f1a\u5728\u7b2c\u4e00\u65f6\u95f4\u53d1\u5e03\u5b89\u5168\u66f4\u65b0\u5bf9\u95ee\u9898\u8fdb\u884c\u4fee\u590d\u3002\u4ee5\u8fd9\u6b21\u52d2\u7d22\u75c5\u6bd2\u4e3a\u4f8b\uff0c\u9488\u5bf9\u88ab\u5229\u7528\u7684 SMB \u670d\u52a1\u6f0f\u6d1e\uff0c\u4e8b\u5b9e\u4e0a\u65e9\u5728\u4e00\u4e2a\u6708\u524d\u5fae\u8f6f\u5c31\u516c\u5e03\u4e86\u6f0f\u6d1e\u8b66\u544a\u548c\u8865\u4e01\uff0c\u63d0\u4f9b\u4e86\u5b89\u5168\u66f4\u65b0\uff0c\u90a3\u4e9b\u5f00\u542f\u81ea\u52a8\u66f4\u65b0\u5e76\u53ca\u65f6\u4fee\u590d\u4e86\u6f0f\u6d1e\u7684\u7528\u6237\uff0c\u4ed6\u4eec\u53ef\u4ee5\u7528\u7701\u4e0b\u7684\u4e09\u4e2a\u6bd4\u7279\u5e01\u5403\u7740\u706b\u9505\u5531\u7740\u6b4c\uff0c\u5b8c\u5168\u4e0d\u7528\u62c5\u5fc3\u7ed1\u532a\u3002\u6240\u4ee5\u8bf7\u5212\u91cd\u70b9\uff1a\u64cd\u4f5c\u7cfb\u7edf\u5b89\u5168\u66f4\u65b0\u975e\u5e38\u91cd\u8981\uff0c\u4e0d\u8bba\u4e2a\u4eba\u7528\u6237\u3001\u4f01\u4e1a\u7528\u6237\u8fd8\u662f\u7cfb\u7edf\u7ba1\u7406\u5458\uff0c\u4e0d\u8bba\u670d\u52a1\u5668\uff0c\u684c\u9762\u8fd8\u662f\u79fb\u52a8\u7ec8\u7aef\uff0c\u4e0d\u8bba Windows\uff0cLinux \u8fd8\u662f MacOS\uff0c\u90fd\u5e94\u8be5\u5c3d\u53ef\u80fd\u53ca\u65f6\u5730\u4ece\u64cd\u4f5c\u7cfb\u7edf\u5382\u5546\u5904\u83b7\u53d6\u5b89\u5168\u66f4\u65b0\u3002<\/strong><\/p>\n
\u5176\u6b21\uff0c\u6740\u6bd2\u8f6f\u4ef6\u4e5f\u53ef\u4ee5\u8d77\u5230\u4e00\u5b9a\u7684\u5b89\u5168\u589e\u5f3a\u7684\u4f5c\u7528\uff0c\u591a\u6570\u6740\u6bd2\u8f6f\u4ef6\u53ef\u4ee5\u501f\u52a9\u75c5\u6bd2\u5e93\u5bf9\u5df2\u6709\u75c5\u6bd2\u7684\u7279\u5f81\u8fdb\u884c\u5206\u6790\u6bd4\u5bf9\uff0c\u4e00\u65e6\u53d1\u73b0\u7528\u6237\u5373\u5c06\u8fd0\u884c\u7684\u7a0b\u5e8f\u4e2d\u542b\u6709\u75c5\u6bd2\u6216\u6076\u610f\u7a0b\u5e8f\uff0c\u4f1a\u53ca\u65f6\u63d0\u9192\u7528\u6237\uff0c\u6216\u8005\u81ea\u52a8\u6e05\u9664\u3002\u56e0\u6b64\uff0c\u6740\u6bd2\u8f6f\u4ef6\u53ef\u4ee5\u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\u9632\u5fa1\u5df2\u77e5\u7684\u3001\u4ee5\u88ab\u52a8\u65b9\u5f0f\u5165\u4fb5\u7cfb\u7edf\u7684\u75c5\u6bd2\u3002<\/p>\n
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\u5f88\u4e0d\u5e78\uff0c\u4e8b\u5b9e\u5e76\u975e\u5982\u6b64\u3002\u5b89\u5168\u66f4\u65b0\u548c\u6740\u6bd2\u8f6f\u4ef6\u4e4b\u4e8e\u75c5\u6bd2\u5a01\u80c1\u6b63\u5982\u5f3a\u8eab\u5065\u4f53\u4e4b\u4e8e\u75be\u75c5\u9690\u60a3\uff0c\u53ef\u4ee5\u5927\u5e45\u964d\u4f4e\u51e0\u7387\uff0c\u5374\u96be\u4ee5\u5b8c\u5168\u907f\u514d\u3002\u4e3a\u4ec0\u4e48\uff1f\u8fd9\u8981\u4ece\u96f6\u65e5\u6f0f\u6d1e\u8bf4\u8d77\u3002<\/p>\n
\u96f6\u65e5\u6f0f\u6d1e\uff0c\u542c\u8d77\u6765\u5c31\u5f88\u9738\u6c14\u7684\u4e00\u4e2a\u540d\u5b57\uff0c\u4eff\u4f5b\u7ed9\u4eba\u4e00\u79cd\u4e16\u754c\u672b\u65e5\u7684\u611f\u89c9\u3002\u5b83\u5e76\u4e0d\u662f\u6307\u5177\u4f53\u7684\u67d0\u4e2a\u6216\u67d0\u7c7b\u6f0f\u6d1e\uff0c\u800c\u662f\u6307\u88ab\u9ed1\u5ba2\u53d1\u73b0\u540e\u7acb\u523b\u7528\u6765\u53d1\u8d77\u653b\u51fb\u7684\u6f0f\u6d1e\uff0c\u8fd9\u4e9b\u6f0f\u6d1e\u5c1a\u672a\u516c\u5f00\uff0c\u7528\u6237\u4e0d\u77e5\u9053\uff0c\u8f6f\u4ef6\u5382\u5546\u4e5f\u4e0d\u4e86\u89e3\uff0c\u5e94\u5bf9\u65f6\u95f4\u4e3a\u96f6<\/strong>\u3002\u6240\u4ee5\uff0c\u8fd9\u7c7b\u6f0f\u6d1e\u6ca1\u6709\u68c0\u6d4b\u5de5\u5177\uff0c\u6ca1\u6709\u4fee\u590d\u65b9\u6cd5\uff0c\u4f20\u7edf\u88ab\u52a8\u5347\u7ea7\u9632\u5fa1\u3001\u75c5\u6bd2\u7279\u5f81\u6bd4\u5bf9\u7684\u65b9\u5f0f\u6beb\u65e0\u7528\u5904\uff0c\u4e00\u65e6\u88ab\u7528\u6765\u53d1\u8d77\u653b\u51fb\uff0c\u666e\u901a\u7cfb\u7edf\u662f\u6beb\u65e0\u62db\u67b6\u80fd\u529b\u7684\u3002\u90a3\u4e48\u6709\u6ca1\u6709\u53ef\u4ee5\u9632\u5fa1\u96f6\u65e5\u6f0f\u6d1e\u7684\u5b89\u5168\u7684\u64cd\u4f5c\u7cfb\u7edf\u5462\uff1f<\/p>\n
\u5b89\u5168\u7684\u64cd\u4f5c\u7cfb\u7edf\u4e0e SELinux<\/strong><\/div>\n
\u4e00\u63d0\u5230\u5b89\u5168\u7684\u64cd\u4f5c\u7cfb\u7edf\uff0c\u603b\u4f1a\u6d8c\u73b0\u51fa\u5f88\u591a\u771f\u77e5\u707c\u89c1\uff0c\u6700\u810d\u7099\u4eba\u53e3\u7684\u83ab\u8fc7\u4e8e\uff1a
\n\u201c\u6240\u6709\u64cd\u4f5c\u7cfb\u7edf\u90fd\u6709\u6f0f\u6d1e\uff0c\u6240\u4ee5\u6ca1\u6709\u7edd\u5bf9\u5b89\u5168\u7684\u64cd\u4f5c\u7cfb\u7edf\uff1b\u6240\u4ee5 Windows \u4e5f\u597d\uff0cLinux \u4e5f\u597d\uff0cMacOS \u4e5f\u597d\uff0c\u90fd\u4e00\u6837\u4e0d\u5b89\u5168\u3002\u201d
\n\u8bf4\u7684\u597d\u6709\u9053\u7406\uff0c\u6211\u7adf\u65e0\u8a00\u4ee5\u5bf9\uff0c\u56e0\u4e3a\u524d\u534a\u53e5\u5c31\u662f\u5bf9\u672c\u6587\u524d\u534a\u90e8\u5206\u7684\u603b\u7ed3\uff0c\u7406\u8bba\u6b63\u786e\uff0c\u903b\u8f91\u81ea\u6d3d\uff0c\u6ca1\u4ec0\u4e48\u53ef\u9ed1\u7684\u3002\u540e\u534a\u53e5\u7684\u903b\u8f91\u5374\u4f3c\u4e4e\u6709\u70b9\u70e7\u8111\uff0c\u5982\u679c\u5b83\u6210\u7acb\u7684\u8bdd\uff0c\u6211\u4eec\u4e0d\u59a8\u8bd5\u7740\u63a8\u5e7f\u4e00\u4e0b\uff0c\u6bd4\u5982\uff1a
\n\u201c\u4efb\u4f55\u7269\u8d28\u90fd\u662f\u6709\u6bd2\u6027\u7684\uff0c\u6ca1\u6709\u4ec0\u4e48\u662f\u7edd\u5bf9\u65e0\u6bd2\u7684\u3002\u7812\u971c\u5403\u4e86\u4f1a\u4e2d\u6bd2\uff0c\u6c34\u559d\u591a\u4e86\u4e5f\u4f1a\u4e2d\u6bd2\uff0c\u6240\u4ee5\u7812\u971c\u548c\u6c34\u4e00\u6837\u4e0d\u5b89\u5168\u3002\u201d
\n\u6bd2\u7406\u5b66\u6709\u53e5\u540d\u8a00\uff1a\u4e00\u5207\u8c08\u6bd2\u6027\u4e0d\u8c08\u5242\u91cf\u7684\u884c\u4e3a\u90fd\u662f\u800d\u6d41\u6c13\u3002\u540c\u6837\uff0c\u4efb\u4f55\u8c08\u64cd\u4f5c\u7cfb\u7edf\u5b89\u5168\u4e0d\u8c08\u4f53\u7cfb\u67b6\u6784\u7684\u884c\u4e3a\u4e5f\u662f\u800d\u6d41\u6c13\u3002\u6240\u4ee5\u9762\u5bf9\u8fd9\u79cd\u800d\u6d41\u6c13\u7684\u884c\u4e3a\uff0c\u63a5\u4e0b\u6765\u6211\u4eec\u8981\u4e25\u8083\u7684\u8c08\u4e00\u8c08\u64cd\u4f5c\u7cfb\u7edf\u7684\u5b89\u5168\u4f53\u7cfb\u67b6\u6784\u3002<\/p>\n
\u591a\u5e74\u524d\uff0c\u6c38\u6052\u4e4b\u84dd\u7684\u59cb\u4f5c\u86f9\u8005 NSA \u4e3a\u4e86\u9632\u5fa1\u81ea\u5bb6\u7cfb\u7edf\uff0c\u5f00\u53d1\u4e86\u4e00\u5957\u5b89\u5168\u6846\u67b6\uff0c\u591a\u5e74\u540e\u8fd9\u5957\u6846\u67b6\u88ab\u8d21\u732e\u7ed9\u4e86 Linux \u5185\u6838\uff0c\u8fd9\u5c31\u662f SELinux\u3002\u4f5c\u4e3a\u9020\u6210\u8fd9\u6b21\u4e16\u754c\u6027\u707e\u96be\u7684\u5e55\u540e\u5927 boss\uff0cNSA \u4e3a\u81ea\u5df1\u5b9a\u5236\u7684 SELinux \u53c8\u662f\u600e\u6837\u7684\u4e00\u5957\u9632\u5177\u5462\uff1f<\/p>\n
SELinux \u5168\u79f0 Security Enhanced Linux \uff0c\u662f\u9488\u5bf9 Linux \u7684\u5168\u9762\u5b89\u5168\u589e\u5f3a\uff0c\u76f8\u6bd4\u4e00\u822c\u7684\u53d1\u73b0\u6f0f\u6d1e-\u4fee\u590d\u6f0f\u6d1e\u8fd9\u79cd\u88ab\u52a8\u6328\u6253\u7684\u6a21\u5f0f\uff0cSELinux \u5177\u5907\u4e3b\u52a8\u9632\u5fa1\u80fd\u529b\uff0c\u53ef\u4ee5\u62b5\u5fa1\u5305\u62ec\u96f6\u65e5\u6f0f\u6d1e\u5728\u5185\u7684\u591a\u79cd\u653b\u51fb\u3002<\/p>\n
\u90a3\u4e48 SELinux \u662f\u5982\u4f55\u505a\u5230\u7684\u5462\uff1f<\/p>\n
\u8bbf\u95ee\u63a7\u5236\u662f\u64cd\u4f5c\u7cfb\u7edf\u5b89\u5168\u4f53\u7cfb\u4e2d\u7684\u6700\u6838\u5fc3\u6700\u5173\u952e\u7684\u673a\u5236\uff0c\u5b83\u51b3\u5b9a\u4e86\u7cfb\u7edf\u4e2d\u4ec0\u4e48\u6837\u7684\u8d44\u6e90\u53ef\u4ee5\u88ab\u54ea\u4e9b\u7528\u6237\u4ee5\u4ec0\u4e48\u6837\u7684\u65b9\u5f0f\u6765\u8bbf\u95ee\uff0c\u4e5f\u5c31\u662f\u8bf4\u666e\u901a\u7528\u6237\u80fd\u505a\u4ec0\u4e48\uff0c\u5165\u4fb5\u8005\u80fd\u505a\u4ec0\u4e48\uff0c\u5e94\u7528\u8f6f\u4ef6\u80fd\u505a\u4ec0\u4e48\uff0c\u6076\u610f\u8f6f\u4ef6\u80fd\u505a\u4ec0\u4e48\uff0c\u90fd\u662f\u8bbf\u95ee\u63a7\u5236\u7cfb\u7edf\u51b3\u5b9a\u7684\u3002SELinux \u7684\u6838\u5fc3\u8bbf\u95ee\u673a\u5236\u662f\u5f3a\u5236\u8bbf\u95ee\u63a7\u5236\uff08Mandatory Access Control\uff09\uff0c\u7b80\u79f0 MAC\uff0cSELinux \u7684\u5b89\u5168\u7279\u6027\u662f\u5efa\u7acb\u5728 MAC \u57fa\u7840\u4e4b\u4e0a\u7684\u3002\u90a3\u4e48 MAC \u4f55\u5fb7\u4f55\u80fd\uff0c\u582a\u8d1f\u5982\u6b64\u91cd\u4efb\uff1f<\/p>\n
\u8bf4\u5230 MAC \u5f3a\u5236\u8bbf\u95ee\u63a7\u5236\u5c31\u4e0d\u5f97\u4e0d\u8bf4\u5b83\u7684\u524d\u8f88\u81ea\u4e3b\u8bbf\u95ee\u63a7\u5236\uff08Discretionary Access Control\uff09\uff0c\u7b80\u79f0 DAC\u3002\u4f20\u7edf\u7684\u64cd\u4f5c\u7cfb\u7edf\uff0cWindows\u3001MacOS\u3001\u4ee5\u53ca\u5305\u62ec\u65e9\u671f Linux \u5728\u5185\u7684\u5404\u79cdUnix\u7684\u7cfb\u7edf\u6743\u9650\u7ba1\u7406\u90fd\u662f\u91c7\u7528\u7684\u81ea\u4e3b\u8bbf\u95ee\u63a7\u5236\uff0c\u81ea\u4e3b\u8bbf\u95ee\u63a7\u5236\u5c06\u7528\u6237\uff08\u6216\u7528\u6237\u7ec4\uff09\u7b80\u5316\u4e3a\u4e00\u4e2a\u6807\u8bc6\uff0c\u7cfb\u7edf\u4e2d\u7684\u8d44\u6e90\uff08\u6bd4\u5982\u6587\u4ef6\uff09\u90fd\u4f1a\u5e26\u4e0a\u7528\u6237\u6807\u8bc6\u548c\u5bf9\u5e94\u7684\u8bbf\u95ee\u6743\u9650\u4fe1\u606f\uff0c\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\u8d4b\u4e88\u4e0d\u540c\u7528\u6237\u4e0d\u540c\u7684\u8bbf\u95ee\u6743\u9650\uff0c\u64cd\u4f5c\u7cfb\u7edf\u901a\u8fc7\u5bf9\u7528\u6237\u6807\u8bc6\u7684\u6bd4\u5bf9\u548c\u6743\u9650\u4fe1\u606f\u51b3\u5b9a\u4e00\u4e2a\u7528\u6237\u662f\u5426\u80fd\u8bbf\u95ee\u67d0\u4e2a\u8d44\u6e90\u3002\u6253\u4e2a\u6bd4\u65b9\uff0c\u4f60\u8ba4\u4e3a\u4f60\u5bb6\u91cc\u7684\u4e1c\u897f\u662f\u53ea\u5c5e\u4e8e\u4f60\u7684\uff0c\u5728 DAC \u770b\u6765\uff0c\u53ea\u8981\u80fd\u8fdb\u5c4b\u7684\u4eba\u90fd\u5bf9\u8fd9\u4e2a\u5c4b\u5b50\u91cc\u7684\u4e1c\u897f\u62e5\u6709\u6743\u9650\uff0c\u90a3\u4e48\u4f60\u81ea\u5df1\u5f00\u95e8\u8fdb\u5c4b\u7761\u89c9\u4e5f\u597d\uff0c\u5c0f\u5077\u64ac\u95e8\u8fdb\u53bb\u62ff\u8d70\u91d1\u94f6\u7ec6\u8f6f\u4e5f\u597d\uff0c\u90fd\u662f\u5408\u6cd5\u7684\u3002<\/p>\n
\u5728\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u4e5f\u662f\u5982\u6b64\uff0c\u51e0\u4e4e\u6240\u6709\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u90fd\u6709\u4e00\u4e2a\u8eab\u5f71\uff0c\u53eb\u7ba1\u7406\u5458\uff0cAdministrator \u4e5f\u597d\uff0croot \u4e5f\u597d\uff0c\u90fd\u662f\u4e00\u7fa4\u5728\u7cfb\u7edf\u4e2d\u6743\u529b\u65e0\u9650\u5927\uff0c\u5bf9\u4efb\u4f55\u8d44\u6e90\u90fd\u6709\u5b8c\u5168\u8bbf\u95ee\u6743\u9650\u7684\u5bb6\u4f19\u3002\u591a\u6570\u7cfb\u7edf\u670d\u52a1\u662f\u4ee5\u7ba1\u7406\u5458\u6743\u9650\u8fd0\u884c\u7684\uff0c\u5982\u679c\u5b83\u4eec\u5b58\u5728\u6f0f\u6d1e\uff0c\u88ab\u52ab\u6301\u53bb\u505a\u4e00\u4e9b\u5b83\u4eec\u672c\u4e0d\u8be5\u505a\u7684\u4e8b\u60c5\u7684\u65f6\u5019\uff0cDAC \u662f\u4e0d\u4f1a\u963b\u62e6\u7684\uff0c\u56e0\u4e3a\u5b83\u65e0\u6cd5\u533a\u5206\u67d0\u4e2a\u52a8\u4f5c\u662f\u7a0b\u5e8f\u6b63\u5e38\u884c\u4e3a\u8fd8\u662f\u6076\u610f\u884c\u4e3a\u3002\u5728\u5b83\u773c\u91cc\uff0c\u8eab\u4efd\u5c31\u662f\u6743\u529b\u7684\u8c61\u5f81\uff0c\u53ea\u8981\u8ba4\u53ef\u4e86\u4f60\u7684\u7ba1\u7406\u5458\u8eab\u4efd\uff0c\u4f60\u8bf4\u4ec0\u4e48\u90fd\u662f\u5bf9\u7684\uff0c\u4f60\u505a\u4ec0\u4e48\u90fd\u662f\u5408\u6cd5\u7684\u3002<\/p>\n
\u90a3\u4e48 MAC \u673a\u5236\u53c8\u662f\u600e\u6837\u7684\u5462\uff1f\u4e0e DAC \u4e2d\u7684\u6df7\u6c8c\u4e0d\u540c\uff0cMAC \u662f\u4e00\u4e2a\u5145\u6ee1\u79e9\u5e8f\u7684\u4e16\u754c\uff0c\u4e00\u4e2a\u4e00\u4e3e\u4e00\u52a8\u8981\u63d0\u51fa\u7533\u8bf7\u7684\u4e16\u754c\u3002\u5728 MAC \u4e2d\uff0c\u4e00\u5207\u8bbf\u95ee\u8ba1\u5212\u90fd\u8981\u4e8b\u5148\u5199\u5165\u5b89\u5168\u7b56\u7565\uff0c\u6ca1\u6709\u660e\u786e\u7684\u7b56\u7565\u5141\u8bb8\u7684\u4efb\u4f55\u8bbf\u95ee\u90fd\u4f1a\u88ab\u7981\u6b62\u3002\u5728\u4e0a\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u4f5c\u4e3a\u5bb6\u4e2d\u7684\u4e3b\u4eba\uff0c\u4f60\u9700\u8981\u80fd\u591f\u5728\u5bb6\u7761\u89c9\uff0c\u4e5f\u662f\u9700\u8981\u660e\u786e\u5236\u5b9a\u8ba1\u5212\u7684\uff0c\u4f60\u9700\u8981\u6dfb\u52a0\u7684\u5b89\u5168\u7b56\u7565\u770b\u8d77\u6765\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n
\n
\u5b9a\u4e49\u8d44\u6e90\u7c7b\u578b\uff1a \u5e8a<\/li>\n
\u5b9a\u4e49\u5b89\u5168\u57df\uff1a \u4f11\u606f<\/li>\n
\u5b9a\u4e49\u89d2\u8272\uff1a \u4e3b\u4eba<\/li>\n
\u8bbf\u95ee\u89c4\u5219\uff1a \u5141\u8bb8 \u4e3b\u4eba \u4f11\u606f\u65f6 \u4f7f\u7528\u5e8a<\/li>\n<\/ul>\n
\u5982\u679c\u7cfb\u7edf\u5bf9\u4e8e\u4f60\u5bb6\u4e2d\u7684\u8d44\u6e90\u8bbf\u95ee\u53ea\u6dfb\u52a0\u4e86\u8fd9\u4e00\u6761\u5b89\u5168\u7b56\u7565\uff0c\u90a3\u4e48\u4f60\u4ecd\u7136\u53ef\u4ee5\u5b89\u5fc3\u7684\u5728\u5bb6\u7761\u89c9\uff0c\u5c0f\u5077\u65e0\u8bba\u7528\u4f55\u79cd\u65b9\u5f0f\u8fdb\u5165\u4f60\u5bb6\u90fd\u5c06\u5bf8\u6b65\u96be\u884c\uff0c\u63a5\u89e6\u4efb\u4f55\u4e1c\u897f\u7684\u884c\u4e3a\u90fd\u4f1a\u88ab\u7981\u6b62\uff0c\u5e76\u4e14\u4e00\u5207\u88ab\u7981\u6b62\u7684\u884c\u4e3a\u5c1d\u8bd5\u90fd\u5c06\u88ab\u53e6\u4e00\u5957\u5b8c\u5584\u7684\u76d1\u63a7\u7cfb\u7edf\uff1a\u5ba1\u8ba1\u65e5\u5fd7\u8bb0\u5f55\u5728\u6848\u3002<\/p>\n
\u660e\u767d\u4e86\u8fd9\u4e2a\u4f8b\u5b50\uff0c\u56de\u5230\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u6211\u4eec\u5c31\u5f88\u5bb9\u6613\u770b\u61c2 MAC \u662f\u5982\u4f55\u9632\u8303\u7cfb\u7edf\u5e26\u6765\u7684\u5b89\u5168\u5a01\u80c1\u7684\uff1a\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u6587\u4ef6\u5171\u4eab\u670d\u52a1\uff0c\u4e0e\u591a\u6570\u7cfb\u7edf\u670d\u52a1\u4e00\u6837\u4f7f\u7528\u7ba1\u7406\u5458\u6743\u9650\u8fd0\u884c\u3002\u653b\u51fb\u8005\u901a\u8fc7\u7cbe\u5fc3\u6784\u5efa\u4e00\u4e2a\u7279\u6b8a\u7684\u6570\u636e\u5305\u53d1\u9001\u7ed9\u670d\u52a1\u5668\uff0c\u4f7f\u5b58\u5728\u6f0f\u6d1e\u670d\u52a1\u5668\u6b63\u5e38\u7684\u6267\u884c\u6d41\u7a0b\u88ab\u52ab\u6301\uff0c\u8f6c\u800c\u6267\u884c\u4fee\u6539\u7ba1\u7406\u5458\u5bc6\u7801\u7684\u64cd\u4f5c\u3002\u5728 DAC \u63a7\u5236\u4e0b\u7684\u4f20\u7edf\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u4e00\u65e6\u653b\u51fb\u751f\u6548\uff0c\u90a3\u4e48\u7ba1\u7406\u5458\u5bc6\u7801\u4f1a\u88ab\u8fd9\u4e2a\u5e73\u65f6\u516b\u7aff\u5b50\u6253\u4e0d\u7740\u7684\u6587\u4ef6\u670d\u52a1\u5668\u4fee\u6539\uff0c\u653b\u51fb\u8005\u968f\u540e\u53ef\u4ee5\u5f88\u5bb9\u6613\u7684\u767b\u5f55\u8fdb\u5165\u7cfb\u7edf\u3002\u800c\u5728 MAC \u7cfb\u7edf\u4e2d\uff0c\u6587\u4ef6\u670d\u52a1\u5668\u7684\u53ef\u8bbf\u95ee\u7684\u6587\u4ef6\u662f\u4e25\u683c\u53d7\u9650\u7684\uff0c\u5b89\u5168\u7b56\u7565\u7c7b\u4f3c\u4e8e\uff1a<\/p>\n
\n
\u5141\u8bb8 \u7cfb\u7edf\u7ba1\u7406\u5458\u89d2\u8272 \u8fd0\u884c\u6587\u4ef6\u670d\u52a1\u5668 \u8be5\u8fdb\u7a0b\u5141\u8bb8\u8bbf\u95ee\u88ab\u5171\u4eab\u6587\u4ef6\u3002<\/li>\n<\/ul>\n
\u5b89\u5168\u7b56\u7565\u7684\u5b9a\u4e49\u4e86\u8be5\u670d\u52a1\u53ef\u4ee5\u8bbf\u95ee\u7684\u6240\u6709\u8d44\u6e90\uff0c\u653b\u51fb\u8005\u5728\u653b\u51fb\u4e86\u6587\u4ef6\u670d\u52a1\u5668\u540e\uff0c\u5e0c\u671b\u4fee\u6539\u7ba1\u7406\u5458\u5bc6\u7801\uff0c\u5b83\u9700\u8981\u8bbf\u95ee\u7684\u662f SAM \u6216 passwd \u7b49\u7684\u5bc6\u7801\u7ba1\u7406\u6587\u4ef6\uff0c\u7531\u4e8e\u6587\u4ef6\u670d\u52a1\u5668\u8fdb\u7a0b\u4ec5\u88ab\u7b56\u7565\u4ec5\u5141\u8bb8\u8bbf\u95ee\u9700\u8981\u88ab\u5171\u4eab\u7684\u6587\u4ef6\uff0c\u56e0\u6b64\u5bf9\u5bc6\u7801\u7ba1\u7406\u6587\u4ef6\u7684\u64cd\u4f5c\u5c06\u88ab\u62d2\u7edd\uff0c\u653b\u51fb\u5931\u6548\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u6700\u574f\u7684\u60c5\u5f62\u662f\uff0c\u653b\u51fb\u8005\u53ef\u80fd\u975e\u6cd5\u8bbf\u95ee\u5171\u4eab\u6587\u4ef6\uff0c\u56e0\u4e3a\u5b83\u4ecd\u5728\u5b89\u5168\u7b56\u7565\u5141\u8bb8\u8303\u56f4\u5185\u3002\u5c3d\u7ba1\u5982\u6b64\uff0c\u4e00\u4e2a\u7cfb\u7edf\u7ea7\u7684\u5b89\u5168\u6f0f\u6d1e\u5bf9\u6574\u4e2a\u64cd\u4f5c\u7cfb\u7edf\u7684\u5f71\u54cd\u88ab\u9650\u5236\u5728\u4e86\u975e\u5e38\u5c0f\u7684\u8303\u56f4\u5185\u3002<\/p>\n
\u901a\u8fc7\u7ec6\u7c92\u5ea6\u7684\u5212\u5206\u8bbf\u95ee\u6743\u9650\uff0c\u5c06\u6240\u6709\u5e94\u7528\u548c\u670d\u52a1\u7684\u8bbf\u95ee\u9650\u5236\u5728\u6700\u5c0f\u8303\u56f4\u5185\uff0c\u8fd9\u5c31\u662f\u5f3a\u5236\u8bbf\u95ee\u63a7\u5236\u4fdd\u62a4\u7cfb\u7edf\u4e0d\u53d7\u5df2\u77e5\u53ca\u672a\u77e5\u6f0f\u6d1e\u653b\u51fb\u7684\u539f\u7406\u3002<\/p>\n
\u5176\u5b9e MAC \u548c DAC \u5e76\u4e0d\u662f\u6c34\u706b\u4e0d\u5bb9\u7684\uff0c\u5728\u5305\u62ec SELinux \u5728\u5185\u7684\u591a\u6570\u5b89\u5168\u6846\u67b6\u4e2d\uff0c\u5b83\u4eec\u662f\u5171\u540c\u751f\u6548\u7684\uff0c\u6240\u6709\u7684\u8d44\u6e90\uff08\u6216\u8005\u51c6\u786e\u7684\u8bf4\u53eb\u5ba2\u4f53\uff09\u8bbf\u95ee\u8bf7\u6c42\u9996\u5148\u8981\u7ecf\u8fc7 DAC \u6743\u9650\u5224\u5b9a\uff0c\u9a8c\u8bc1\u901a\u8fc7\u4e4b\u540e\u518d\u8fdb\u4e00\u6b65\u8fdb\u884c MAC \u7684\u5b89\u5168\u7b56\u7565\u5224\u5b9a\uff0c\u53ea\u6709\u540c\u65f6\u7b26\u5408\u81ea\u4e3b\u8bbf\u95ee\u63a7\u5236\u548c\u5f3a\u5236\u8bbf\u95ee\u63a7\u5236\u89c4\u5219\u540e\u624d\u80fd\u83b7\u5f97\u8bbf\u95ee\u6743\u9650\u3002<\/p>\n
SELinux \u4e2d\uff0c\u6709\u4e09\u5927\u7c7b MAC \u7b56\u7565\u6a21\u578b\uff0c\u5206\u522b\u662f TE\uff08\u7c7b\u578b\u589e\u5f3a\uff09\uff0cRBAC\uff08\u89d2\u8272\u8bbf\u95ee\u63a7\u5236\uff09\u4ee5\u53ca MLS\uff08\u591a\u7ea7\u522b\u5b89\u5168)\uff0c\u6bcf\u4e00\u7c7b\u6a21\u578b\u90fd\u9488\u5bf9\u7cfb\u7edf\u5df2\u6709\u670d\u52a1\u548c\u5e94\u7528\u63d0\u4f9b\u4e86\u5927\u91cf\u5b89\u5168\u7b56\u7565\u3002\u4e00\u4e2a\u4f7f\u7528\u4e86 SELinux \u7684\u5178\u578b\u7684\u670d\u52a1\u5668\u64cd\u4f5c\u7cfb\u7edf\u73af\u5883\uff0c\u5185\u6838\u4e2d\u4f1a\u5305\u542b 10 \u4e07\u6761\u4ee5\u4e0a\u7684\u5b89\u5168\u7b56\u7565\u3002<\/p>\n
\u8ba1\u7b97\u673a\u4fe1\u606f\u7cfb\u7edf\u7684\u5b89\u5168\u7b49\u7ea7<\/strong><\/div>\n
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\u7ed3\u8bed<\/strong><\/div>\n
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\n
\u539f\u6587\u6765\u81ea\uff1ahttps:\/\/linux.cn\/article-8534-1.html<\/a><\/p>\n
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