{"id":294,"date":"2013-07-01T05:22:04","date_gmt":"2013-07-01T05:22:04","guid":{"rendered":"http:\/\/www.selinuxplus.com\/?p=294"},"modified":"2013-07-01T05:30:39","modified_gmt":"2013-07-01T05:30:39","slug":"selinux%ef%bc%9a1-selinux%e7%94%b1%e6%9d%a5","status":"publish","type":"post","link":"http:\/\/www.selinuxplus.com\/?p=294","title":{"rendered":"SELinux\uff1a1. selinux\u7531\u6765"},"content":{"rendered":"

1 \u4ec0\u4e48\u662fSELinux?<\/strong><\/h2>\n

<\/strong>
\n\u00a0 \u00a0 \u00a0SElinux<\/strong>\uff1f(Security Enhanced Linux)\u5b89\u5168\u589e\u5f3a\u7684Linux,\u7f8e\u56fd\u56fd\u9632\u90e8\u95e8\u57281970-1980\u5e74\u5bf9\u64cd\u4f5c\u7cfb\u7edf\u5b89\u5168\u505a\u4e86\u4e00\u4e2a\u5b89\u5168\u7814\u7a76\u3002\u6765\u81ea\u90a3\u6b21\u5b89\u5168\u6027\u7814\u7a76\u7684\u5173\u952e\u62a5\u544a\u53eb\u505aAnderson\u62a5\u544a\uff0c\u7b2c\u4e00\u6b21\u63d0\u51fa\u5728\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u4f7f\u7528\u8bbf\u95ee\u63a7\u5236\u7684\u6982\u5ff5\u30022000\u5e7412\u6708\uff0cNSA\u53d1\u5e03\u4e86\u7b2c\u4e00\u4e2a\u516c\u5f00\u7248\u672c\u3002
\nSELinux \u7ed9\u7cfb\u7edf\u7684\u6240\u6709\u7684\u4e8b\u7269\u8fdb\u884c\u6807\u8bb0\uff0c\u5305\u62ec\u6587\u4ef6\u3001\u8fdb\u7a0b\u7b49\uff0c\u901a\u8fc7\u4e0d\u540c\u7684\u6807\u8bb0\u5185\u5bb9\u548c\u7ec4\u7ec7\u7684\u7b56\u7565\u5b9e\u73b0\u8bbf\u95ee\u63a7\u5236\u3002
\nSELinux<\/p>\n

\u5bf9Linux\u64cd\u4f5c\u7cfb\u7edf\u7684\u786e\u662f\u4e00\u4e2a\u5b89\u5168\u589e\u5f3a\u3002\u8fd9\u4e2a\u589e\u5f3a\u53ef\u4ee5\u6709\u6548\u5730\u7f13\u89e3\u5e94\u7528\u8f6f\u4ef6\u7684\u7f3a\u9677\u95ee\u9898\uff0c\u5305\u62ec\u90a3\u4e9b\u8fd8\u6ca1\u6709\u53d1\u73b0\u7684\u7f3a\u9677\u3002\u8fd9\u4e2a\u589e\u5f3a\u4e5f\u5b9e\u73b0\u4e86\u8bb8\u591a\u5b89\u5168\u76ee\u6807\uff0c\u4ece\u6570\u636e\u4fdd\u5bc6\u6027\u5230\u5e94\u7528\u7a0b\u5e8f\u5b8c\u6574\u6027\u5230\u63d0\u9ad8\u7684\u575a\u56fa\u6027\u3002\u4f7f\u7528SELinux\uff0c\u5c06\u6211\u4eec\u7684”\u57ce\u5821”\u4ece\u76ee\u524d\u7684\u6c99\u5b50\u4f4d\u7f6e\u8d85\u524d\u79fb\u52a8\u4e86\u4e00\u5927\u6b65\u3002<\/p>\n

2 \u5f15\u7528\u76d1\u89c6\u7a0b\u5e8f\u539f\u7406 <\/strong><\/h2>\n

<\/strong>
\n\"\"<\/a>
\n\u5f15\u7528\u5728\u4e00\u4e2a\u5f15\u7528\u76d1\u89c6\u7a0b\u5e8f\u4e2d\uff0c\u64cd\u4f5c\u7cfb\u7edf\u5c06\u65e0\u6e90\u7684\u8d44\u6e90\u9694\u79bb\u5230\u622a\u7136\u4e0d\u540c\u7684\u5ba2\u4f53\u5982\u6587\u4ef6\u3001\u8fd0\u884c\u4e2d\u7684\u7a0b\u5e8f\u6d3b\u52a8\u6761\u76ee\uff0c\u5f15\u7528\u76d1\u89c6\u7a0b\u5e8f\u673a\u5236\uff08\u53eb\u505a\u5f15\u7528\u6709\u6548\u673a\u5236\uff09\u5c06\u4f1a\u901a\u8fc7\u5e94 \u7528\u4e00\u4e2a\u5d4c\u5165\u5728\u4e00\u5957\u8bbf\u95ee\u63a7\u5236\u89c4\u5219\u4e2d\u7684\u5b89\u5168\u7b56\u7565\u786e\u8ba4\u5728\u6d3b\u52a8\u4e3b\u4f53\u548c\u5ba2\u4f53\u4e4b\u95f4\u7684\u8bbf\u95ee\u3002\u6309\u7167\u8fd9\u79cd\u65b9\u6cd5\uff0c\u7a0b\u5e8f\u8bbf\u95ee\u7cfb\u7edf\u8d44\u6e90\uff08\u5982\u6587\u4ef6\uff09\u53ef\u4ee5\u88ab\u9650\u5236\u5230\u90a3\u4e9b\u7b26\u5408\u5b89\u5168\u7b56\u7565\u7684\u8bbf \u95ee\uff0c\u8bbf\u95ee\u63a7\u5236\u51b3\u5b9a\u57fa\u4e8e\u6bcf\u4e2a\u6d3b\u52a8\u4e3b\u4f53\u548c\u5ba2\u4f53\u7684\u5b89\u5168\u5c5e\u6027\uff0c\u5b89\u5168\u5c5e\u6027\u6307\u6d3b\u52a8\u4e3b\u4f53\/\u5ba2\u4f53\u4e0e\u5b89\u5168\u6709\u5173\u7684\u7279\u6027\u3002\u4f8b\u5982\uff1a\u5728\u6807\u51c6\u7684Linux\u4e2d\uff0c\u6d3b\u52a8\u4e3b\u4f53\uff08\u5373\u8fdb\u7a0b\uff09\u6709\u771f\u5b9e \u6709\u6548\u7684\u7528\u6237\u6807\u8bc6\uff0c\u5ba2\u4f53\uff08\u5982\u6587\u4ef6\uff09\u6709\u8bbf\u95ee\u8bb8\u53ef\u6a21\u5f0f\uff0c\u7531\u8bb8\u53ef\u6a21\u5f0f\u51b3\u5b9a\u8fdb\u7a0b\u662f\u5426\u53ef\u4ee5\u6253\u5f00\u67d0\u4e2a\u6587\u4ef6\u3002
\n\u9664\u5b9e\u73b0\u5b89\u5168\u7b56\u7565\u5916\uff0c\u5f15\u7528\u76d1\u89c6\u7a0b\u5e8f\u539f\u7406\u6700\u521d\u7684\u8bbe\u8ba1\u76ee\u6807\u662f\uff1a<\/p>\n

    \n
  1. \u9632\u6b62\u7a9c\u6539\uff08\u4e0d\u80fd\u6076\u610f\u6539\u53d8\u6216\u4fee\u6539\uff09<\/li>\n
  2. \u65e0\u65c1\u8def\uff08\u6d3b\u52a8\u4e3b\u4f53\u4e0d\u80fd\u907f\u514d\u8bbf\u95ee\u63a7\u5236\u51b3\u5b9a\uff09<\/li>\n
  3. \u53ef\u9a8c\u8bc1\uff08\u53ef\u4ee5\u8bc1\u660e\u5b89\u5168\u7b56\u7565\u5b9e\u73b0\u662f\u6b63\u786e\u7684\uff09<\/li>\n<\/ol>\n

    \u51e0\u4e4e\u6240\u6709\u7684\u64cd\u4f5c\u7cfb\u7edf\u90fd\u5b9e\u73b0\u4e86\u67d0\u79cd\u683c\u5f0f\u7684\u5f15\u7528\u76d1\u89c6\uff0c\u90fd\u5305\u62ec\u6d3b\u52a8\u4e3b\u4f53\u3001\u5ba2\u4f53\u548c\u5b89\u5168\u7b56\u7565\u89c4\u5219\u3002\u5728\u6807\u51c6\u7684Linux\u4e2d\uff0c\u6d3b\u52a8\u4e3b\u4f53\u901a\u5e38\u662f\u8fdb\u7a0b\uff0c\u5ba2\u4f53\u901a\u5e38\u662f\u7528\u4e8e \u4fe1\u606f\u5171\u4eab\u3001\u5b58\u50a8\u548c\u901a\u8baf\u7684\u7cfb\u7edf\u8d44\u6e90\uff08\u5982\u6587\u4ef6\u3001\u76ee\u5f55\u3001\u5957\u63a5\u5b57\u3001\u5171\u4eab\u5185\u5b58\u7b49\uff09\u3002\u5728Linux\u4e2d\uff0c\u4e0e\u5176\u4ed6\u5927\u591a\u6570\u6d41\u884c\u7684\u64cd\u4f5c\u7cfb\u7edf\u4e00\u6837\uff0c\u5b89\u5168\u7b56\u7565\u89c4\u5219\u901a\u8fc7\u5f15\u7528\u76d1\u89c6\u7a0b\u5e8f \uff08\u5373\u5185\u6838\uff09\u5f3a\u5236\u56fa\u5b9a\u548c\u786c\u7f16\u7801\uff0c\u65e0\u8bba\u8fd9\u4e9b\u89c4\u5219\u7684\u5b89\u5168\u5c5e\u6027\u7528\u4e8e\u9a8c\u8bc1\u4ec0\u4e48\uff08\u5982\u8bbf\u95ee\u6a21\u5f0f\uff09\uff0c\u90fd\u662f\u53ef\u4ee5\u6539\u53d8\u548c\u5206\u914d\u7684\uff0c\u6807\u51c6Linux\u5b89\u5168\u662fDAC\u683c\u5f0f\u7684\u5b89\u5168\u3002<\/p>\n

    3 \u4efb\u610f\u8bbf\u95ee\u63a7\u5236\u7684\u95ee\u9898\uff08DAC\u76f4\u63a5\u8bbf\u95ee\u63a7\u5236\uff09<\/strong><\/h2>\n

    <\/strong>
    \nDAC\u662f\u4e00\u79cd\u5141\u8bb8\u7ecf\u6388\u6743\u7684\u7528\u6237\uff08\u901a\u8fc7\u5b83\u4eec\u7684\u7a0b\u5e8f\u5982\u4e00\u4e2ashell\uff09\u6539\u53d8\u5ba2\u4f53\u7684\u8bbf\u95ee\u63a7\u5236\u5c5e\u6027\u7684\u8bbf\u95ee\u63a7\u5236\u673a\u5236\uff0c\u7531\u6b64\u660e\u786e\u6307\u51fa\u5176\u4ed6\u7528\u6237\u662f\u5426\u6709\u6743\u8bbf\u95ee\u8fd9\u4e2a\u5ba2 \u4f53\u3002\u4e00\u4e2a\u7b80\u5355\u7684DAC\u5f62\u5f0f\u53ef\u80fd\u8981\u6570\u6587\u4ef6\u5bc6\u7801\u4e86\uff0c\u8bbf\u95ee\u8be5\u6587\u4ef6\u9700\u8981\u77e5\u9053\u6587\u4ef6\u6240\u6709\u8005\u521b\u5efa\u7684\u5bc6\u7801\u3002\u5927\u591a\u6570DAC\u673a\u5236\u90fd\u662f\u57fa\u4e8e\u7528\u6237\u6807\u8bc6\u7684\u8bbf\u95ee\u63a7\u5236\u5c5e\u6027\u3002\u51e0\u4e4e\u6240\u6709\u73b0\u4ee3 \u64cd\u4f5c\u7cfb\u7edf\u90fd\u6709\u4e00\u79cd\u57fa\u4e8e\u7528\u6237\u6807\u8bc6\u7684DAC\u5b9e\u73b0\u3002\u5728Linux\u4e2d\uff0c\u975e\u5e38\u6d41\u884c\u548c\u5e7f\u4e3a\u4eba\u77e5\u7684\u662f\u6240\u6709\u8005-\u7ec4-\u5176\u5b83\u8bb8\u53ef\u6a21\u5f0f\u673a\u5236\u3002\u540c\u6837\uff0c\u5e38\u89c1\u7684\u8bbf\u95ee\u63a7\u5236\u5217\u8868\u673a\u5236\u4e5f\u662f\u901a \u7528\u7684\u65b9\u6cd5\u3002<\/p>\n

    \n\u6240\u6709DAC\u673a\u5236\u90fd\u6709\u4e00\u4e2a\u5171\u540c\u7684\u5f31\u70b9\uff0c\u5c31\u662f\u5b83\u4eec\u4e0d\u80fd\u8bc6\u522b\u81ea\u7136\u4eba\u4e0e\u8ba1\u7b97\u673a\u7a0b\u5e8f\u4e4b\u95f4\u6700\u57fa\u672c\u7684\u533a\u522b\u3002DAC\u901a\u5e38\u662f\u5c1d\u8bd5\u6a21\u4eff\u6240\u6709\u6743\u539f\u7406\u3002\u4f8b\u5982\uff1a\u6587\u4ef6\u6240\u6709\u8005\u62e5\u6709 \u6307\u5b9a\u6587\u4ef6\u7684\u8bbf\u95ee\u6743\u9650\uff0c\u53ea\u6388\u4e88\u53ef\u4ee5\u4fe1\u4efb\u7684\u7528\u6237\u8bbf\u95ee\u6587\u4ef6[4\u6240\u6709\u8005\u4f7f\u7528\u5b83\u4eec\u7684\u8fa8\u522b\u529b\u5224\u65ad\u662f\u5426\u6388\u4e88\u8bbf\u95ee\u6743\u3002]\u3002\u5047\u8bbe\u4f60\u53ef\u4ee5\u4fe1\u4efb\u67d0\u4e2a\u7528\u6237\uff08\u901a\u5e38\u88ab\u8ba4\u4e3a\u662f\u65e0\u6548\u7684\u4e8b\u60c5\uff09\uff0c\u8ba1\u7b97\u673a\u5de5\u4f5c\u65b9\u6cd5\u4e0d\u662f\u5b8c\u5168\u6a21\u4eff\u7684\u771f\u5b9e\u4e16\u754c\uff0c \u53ea\u662f\u6309\u7167\u7528\u6237\u6307\u5b9a\u7684\u6307\u4ee4\u5728\u8ba1\u7b97\u673a\u4e0a\u6267\u884c\u64cd\u4f5c\uff0c\u56e0\u6b64\uff0c\u6211\u4eec\u4e0d\u80fd\u5411\u7528\u6237\u63d0\u4f9b\u6388\u4e88\u548c\u4f7f\u7528\u8bbf\u95ee\u7684\u80fd\u529b\uff0c\u76f8\u53cd\uff0c\u6211\u4eec\u63d0\u4f9b\u8f6f\u4ef6\u7a0b\u5e8f\u5b9e\u73b0\u8fd9\u4e2a\u529f\u80fd\uff0c\u5728internet\u65f6 \u4ee3\u53d8\u5f97\u7279\u522b\u660e\u663e\uff0c\u7a0b\u5e8f\u603b\u662f\u5145\u6ee1\u7f3a\u9677\uff0c\u6216\u5e72\u8106\u5c31\u662f\u6076\u610f\u7a0b\u5e8f\uff0c\u8fd9\u5c31\u662f\u7279\u6d1b\u4f0a\u6728\u9a6c\u95ee\u9898\uff0c\u9996\u6b21\u662f\u57281970\u5e74\u88ab\u8ba4\u5b9a\uff0c\u5230\u76ee\u524d\u7684\u6d41\u884c\u75c5\u6bd2\u3001\u8815\u866b\u3001\u95f4\u8c0d\u8f6f\u4ef6\uff0c\u90fd\u662f\u5b83\u7684 \u53d8\u4f53\u3002\u7b80\u5355\u70b9\u8bf4\u5c31\u662f\uff0c\u5982\u679c\u4e00\u4e2a\u7528\u6237\u88ab\u6388\u6743\u5141\u8bb8\u8bbf\u95ee\uff0c\u610f\u5473\u7740\u7a0b\u5e8f\u4e5f\u88ab\u6388\u6743\u8bbf\u95ee\uff0c\u5982\u679c\u7a0b\u5e8f\u88ab\u6388\u6743\u8bbf\u95ee\uff0c\u90a3\u4e48\u6076\u610f\u7a0b\u5e8f\u4e5f\u5c06\u6709\u540c\u6837\u7684\u8bbf\u95ee\u6743\u3002<\/p>\n

    DAC\u5047\u8bbe\u4e00\u5f00\u59cb\u6240\u6709\u7684\u7a0b\u5e8f\u90fd\u662f\u503c\u5f97\u4fe1\u8d56\u4e14\u6ca1\u6709\u7f3a\u9677\u7684\uff0c\u65e9\u671f\u7684\u8ba1\u7b97\u673a\u7814\u7a76\u793e\u56e2\u5927\u90fd\u662f\u4f4f\u5728\u9ad8\u6821\u4e2d\u7684\u4e00\u7fa4\u4eba\uff08\u6559\u5e08\u3001\u5b66\u751f\uff09\uff0c\u56e0\u6b64\u76ee\u524d\u53d1\u5c55\u7684\u6280\u672f\u53ef\u80fd\u90fd\u662f \u5efa\u7acb\u5728\u90a3\u4e2a\u5047\u8bbe\u7684\u73af\u5883\u57fa\u7840\u4e4b\u4e0a\u7684\uff0c\u7136\u800c\uff0c\u5b9e\u9645\u4e0a\uff0c\u6211\u4eec\u77e5\u9053\u5728\u8ba1\u7b97\u673a\u79d1\u5b66\u5386\u53f2\u4e0a\u8fd8\u6ca1\u6709\u51fa\u73b0\u8fc7\u90a3\u79cd\u5f00\u59cb\u73af\u5883\uff0c\u4eba\u7c7b\u7684\u5929\u6027\u603b\u662f\u559c\u6b22\u653b\u51fb\u6709\u5f31\u70b9\u7684\u8f6f\u4ef6\u3002<\/p>\n

    4.\u5f3a\u5236\u8bbf\u95ee\u63a7\u5236\u7684\u8d77\u6e90 <\/strong><\/h2>\n

    <\/strong>
    \n\u4ece1970\u5e74\u52301980\u5e74\uff0c\u6700\u4e3b\u8981\u7684\u7cbe\u529b\u90fd\u4f7f\u7528\u5728\u5bfb\u627e\u89e3\u51b3\u6076\u610f\u8f6f\u4ef6\u6216\u6709\u7f3a\u9677\u7684\u8f6f\u4ef6\u7684\u95ee\u9898\u4e0a\uff0c\u76ee\u6807\u662f\u5b9e\u73b0MAC\uff0c\u5b83\u7684\u8bbf\u95ee\u63a7\u5236\u5224\u65ad\u57fa\u7840\u4e0d\u662f\u67d0\u4e2a\u4eba\u6216\u7cfb \u7edf\u7ba1\u7406\u5458\u7684\u8fa8\u522b\u529b\uff0c\u6211\u4eec\u60f3\u5b9e\u73b0\u4e00\u79cd\u6709\u7ec4\u7ec7\u7684\u5b89\u5168\u7b56\u7565\u6765\u63a7\u5236\u5bf9\u5ba2\u4f53\u7684\u8bbf\u95ee\uff0c\u4e0d\u53d7\u4e2a\u522b\u7a0b\u5e8f\u7684\u884c\u4e3a\u5f71\u54cd\u3002\u519b\u65b9\u5728\u8fd9\u65b9\u9762\u79ef\u7d2f\u4e86\u5927\u91cf\u7684\u7ecf\u9a8c\uff0c\u4e3b\u8981\u662f\u4fdd\u62a4\u653f\u5e9c\u7684\u673a\u5bc6\u6570 \u636e\u3002\u5927\u591a\u6570\u5e38\u89c1\u7684MAC\u673a\u5236\u5b9e\u73b0\u4e86\u6570\u636e\u591a\u5c42\u5b89\u5168\uff0c\u56fe1-2\u663e\u793a\u4e86\u4e00\u4e2a\u591a\u5c42\u5b89\u5168\u6a21\u578b\u7684\u7ec4\u6210\u7ed3\u6784\u3002
    \n    \"\"<\/a><\/p>\n

    \u591a\u5c42\u5b89\u5168\uff08MLS\uff09\u4e00\u822c\u90fd\u662f\u57fa\u4e8eBell-LaPadula\u6a21\u578b[5 http:\/\/csrc.nist.gov\/publications\/history\/bell76.pdf]\uff0c\u5728MLS\u6a21\u578b\u4e2d\uff0c\u6240\u6709\u4e3b\u4f53\u548c\u5ba2\u4f53\u90fd\u6807\u8bb0\u6709\u5b89\u5168\u7ea7\u522b\uff0c\u5728\u6211\u4eec\u7684\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u6709 \u4e00\u4e2aPUBLIC\u548cSECRET\u5b89\u5168\u7ea7\u522b\uff0c\u8fd9\u4e24\u4e2a\u7ea7\u522b\u4ee3\u8868\u4e86\u6570\u636e\u7684\u654f\u611f\u7a0b\u5ea6\uff08SECRET\u7684\u654f\u611f\u5ea6\u6bd4PUBLIC\u7684\u654f\u611f\u5ea6\u8981\u9ad8\uff09\uff0c\u5728MLS\u4e2d\uff0c\u4e3b\u4f53\u603b\u662f\u53ef \u4ee5\u8bfb\u5199\u5ba2\u4f53\uff0c\u9664\u6b64\u4e4b\u5916\uff0c\u4e3b\u4f53\u8fd8\u53ef\u4ee5\u8bfb\u53d6\u5e95\u5c42\u5ba2\u4f53\uff08\u5411\u4e0b\u8bfb\u53d6\uff09\uff0c\u5199\u5165\u9ad8\u5c42\u5ba2\u4f53\uff08\u5411\u4e0a\u5199\u5165\uff09\uff0c\u7136\u800c\uff0c\u4e3b\u4f53\u53ef\u80fd\u6c38\u8fdc\u4e0d\u4f1a\u8bfb\u53d6\u9ad8\u5c42\u5ba2\u4f53\uff08\u65e0\u5411\u4e0a\u8bfb\u53d6\uff09\uff0c\u4e5f\u4e0d\u5199\u5165\u5e95 \u5c42\u5ba2\u4f53\uff08\u65e0\u5411\u4e0b\u5199\u5165\uff09\uff0c\u610f\u601d\u5c31\u662f\u4fe1\u606f\u53ef\u4ee5\u4ece\u5e95\u5c42\u6d41\u5411\u9ad8\u5c42\uff0c\u4f46\u4e0d\u80fd\u53cd\u8fc7\u6765\uff0c\u56e0\u6b64\u8981\u4fdd\u62a4\u9ad8\u5c42\u6570\u636e\u7684\u673a\u5bc6\u6027\u3002<\/p>\n

    MLS\u662f\u5bf9\u8bbf\u95ee\u63a7\u5236\u6700\u6839\u672c\u7684\u6539\u53d8\uff0c\u4e0d\u518d\u662f\u6570\u636e\u6240\u6709\u8005\u4efb\u610f\u5730\u51b3\u5b9a\u8c01\u53ef\u4ee5\u8bbf\u95ee\u5ba2\u4f53\uff0c\u6b64\u5916\uff0c\u5bf9\u5927\u90e8\u5206\u88ab\u8ba4\u4e3a\u4e0d\u53d7\u4fe1\u4efb\u7684\u8f6f\u4ef6\u6211\u4eec\u4e5f\u6709\u8db3\u591f\u7684\u5b89\u5168\u63aa\u65bd\uff0c\u56e0\u4e3a\u4fe1 \u606f\u6d41\u89c4\u5219\u963b\u6b62\u4e86\u4e0d\u6b63\u5f53\u7684\u6570\u636e\u8bbf\u95ee\uff0c\u5728MLS\u4e2d\uff0c\u901a\u8fc7\u56fa\u5b9a\u7684\u89c4\u5219\u51b3\u5b9a\u6570\u636e\u5982\u4f55\u5171\u4eab\uff0c\u800c\u4e0d\u7ba1\u7528\u6237\u7684\u8bf7\u6c42\uff08\u66f4\u91cd\u8981\u7684\u662f\u4ed6\u4eec\u8fd0\u884c\u7684\u7a0b\u5e8f\uff09\uff0cMLS\u5b9e\u73b0\u4e86\u5927\u90e8\u5206 MAC\u673a\u5236\uff0c\u5728\u76ee\u524d\u6d41\u884c\u7684\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u666e\u904d\u5b58\u5728\uff0cMAC\u673a\u5236\u4e0eMLS\u7c7b\u4f3c\uff0c\u4e5f\u662f\u7ecf\u8fc7\u6df1\u601d\u719f\u8651\u5efa\u7acb\u8d77\u6765\u7684\uff0c\u5b83\u5b9e\u73b0\u4e86\u5c0f\u90e8\u5206\u56fa\u5b9a\u7684\u5b89\u5168\u5c5e\u6027\u3002<\/p>\n

    \nMLS\u7684\u4e3b\u8981\u5f31\u70b9\u662f\u5b83\u4e25\u683c\u5730\uff0c\u4ee5\u4e0d\u53ef\u6539\u53d8\u7684\u65b9\u5f0f\u5b9e\u73b0\u4e86\u5355\u4e00\u5b89\u5168\u76ee\u6807\uff08\u5373\u4fdd\u62a4\u653f\u5e9c\u6587\u4ef6\u654f\u611f\u6570\u636e\u7684\u673a\u5bc6\u6027\uff09\uff0c\u4e0d\u662f\u6240\u6709\u7684\u64cd\u4f5c\u7cfb\u7edf\u5b89\u5168\u4e1a\u52a1\u90fd\u4e0e\u6570\u636e\u673a\u5bc6\u6027 \u6709\u5173\uff0c\u5927\u591a\u6570\u90fd\u5bf9\u4fdd\u5bc6\u653f\u5e9c\u6587\u4ef6\uff08\u5305\u62ec\u8bb8\u591a\u5904\u7406\u4fdd\u5bc6\u6570\u636e\u7684\u653f\u5e9c\u7cfb\u7edf\uff09\u7684\u5f3a\u786c\u7684\u7b80\u5355\u7684\u6a21\u578b\u4e0d\u80af\u987a\u4ece\uff0c\u4e3a\u4e86\u5728MLS\u4e2d\u6269\u5927\u8fd9\u4e2a\u76ee\u6807\uff0c\u4e3b\u4f53\u5fc5\u987b\u88ab\u6388\u4e88\u5b89\u5168\u7b56\u7565\u7279\u6743 \uff08\u5373\u8fdd\u53cd\u65e0\u65c1\u8def\u7684\u539f\u5219\uff09\uff0c\u5e76\u4fe1\u4efb\u4e0d\u4f1a\u8fdd\u53cd\u7b56\u7565\u7684\u76ee\u7684\uff0c\u8fd9\u4e2a\u4e0d\u5c48\u6027\u548c\u6709\u9650\u7684\u7126\u70b9\u4f7fMLS\u548c\u7c7b\u4f3c\u7684MAC\u673a\u5236\u5b9e\u73b0\u4e86\u5145\u8db3\u7684\u8981\u6c42<\/p>\n

    5.\u66f4\u597d\u7684\u5f3a\u5236\u8bbf\u95ee\u63a7\u5236<\/strong><\/h2>\n

    <\/strong>
    \nSELinux\u5b9e\u73b0\u4e86\u4e00\u4e2a\u7075\u6d3b\u7684MAC\u673a\u5236\uff0c\u53eb\u505a\u7c7b\u578b\u5f3a\u5236\uff08TE\uff09\uff0c\u6b63\u5982\u4f60\u5c06\u4f1a\u770b\u5230\u7684\uff0c\u7c7b\u578b\u5f3a\u5236\u63d0\u4f9b\u5f3a\u58ee\u7684\u5f3a\u5236\u5b89\u5168\u80fd\u591f\u9002\u5e94\u5927\u91cf\u7684\u5b89\u5168\u76ee\u6807\uff0c\u7c7b\u578b\u5f3a \u5236\u63d0\u4f9b\u4e00\u79cd\u601d\u60f3\uff0c\u5c06\u8bbf\u95ee\u63a7\u5236\u5230\u5bf9\u67d0\u4e00\u4e2a\u7a0b\u5e8f\u7ea7\u522b\u53bb\uff0c\u5728\u67d0\u79cd\u7a0b\u5ea6\u4e0a\uff0c\u5b83\u5141\u8bb8\u7ec4\u7ec7\u5b9a\u4e49\u9002\u5408\u4ed6\u4eec\u7cfb\u7edf\u7684\u5b89\u5168\u7b56\u7565\u3002\u5728\u7c7b\u578b\u5f3a\u5236\u4e0b\uff0c\u6240\u6709\u4e3b\u4f53\u548c\u5ba2\u4f53\u90fd\u6709\u4e00\u4e2a\u7c7b\u578b\u6807\u8bc6 \u7b26\u4e0e\u5b83\u4eec\u5173\u8054\uff0c\u8981\u8bbf\u95ee\u67d0\u4e2a\u5ba2\u4f53\uff0c\u4e3b\u4f53\u7684\u7c7b\u578b\u5fc5\u987b\u4e3a\u5ba2\u4f53\u7684\u7c7b\u578b\u8fdb\u884c\u6388\u6743\uff0c\u800c\u4e0d\u7ba1\u4e3b\u4f53\u7684\u7528\u6237\u6807\u8bc6\u7b26\u3002<\/p>\n

    \n\u4f7fSELinux\u6bd4MLS\u89e3\u51b3\u65b9\u6848\u66f4\u9ad8\u7ea7\u7684\u662f\u89c4\u5219\u51b3\u5b9a\u4e86\u57fa\u4e8e\u7c7b\u578b\u7684\u8bbf\u95ee\u63a7\u5236\uff0c\u8fd9\u4e0d\u662f\u9884\u5148\u5b9a\u4e49\u597d\u7684\uff0c\u4e5f\u4e0d\u662f\u786c\u7f16\u7801\u5728\u5185\u6838\u4e2d\u7684\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cSELinux\u4e0d\u5141\u8bb8\u4efb\u4f55\u8bbf\u95ee\uff0c\u7ec4\u7ec7\u53ef\u4ee5\u5f00\u53d1\u4efb\u610f\u6570\u91cf\u7684\u89c4\u5219\u6307\u5b9a\u5141\u8bb8\u4ec0\u4e48\uff0c\u8fd9\u6837\u4f7fSELinux\u53ef\u4ee5\u9002\u5e94\u975e\u5e38\u591a\u6837\u7684\u5b89\u5168\u7b56\u7565\u3002<\/p>\n

    \n\u5b9a\u4e49\u5141\u8bb8\u8bbf\u95ee\u4e00\u4e2a\u7cfb\u7edf\u6536\u96c6\u7684\u89c4\u5219\u53eb\u505aSELinux\u7b56\u7565\uff0c\u7269\u7406\u4e0a\uff0cSELinux\u7b56\u7565\u662f\u4e00\u4e2a\u7279\u6b8a\u7684\u6587\u4ef6\uff0c\u5b83\u5305\u62ecSELinux\u5185\u6838\u5c06\u4f1a\u5b9e\u65bd\u7684\u6240\u6709\u89c4 \u5219\uff0c\u7b56\u7565\u6587\u4ef6\u662f\u4ece\u4e00\u5957\u6e90\u6587\u4ef6\u7f16\u8bd1\u800c\u6765\u7684\uff0c\u6b63\u5982\u4f60\u9a6c\u4e0a\u4f1a\u770b\u5230\u7684\uff0c\u7cfb\u7edf\u4e0e\u7cfb\u7edf\u4e4b\u95f4\u7684SELinux\u7b56\u7565\u662f\u53ef\u4ee5\u4e0d\u540c\u7684\uff0c\u5728\u542f\u52a8\u8fc7\u7a0b\u4e2d\uff0c\u7b56\u7565\u88ab\u8f7d\u5165\u5185\u6838\uff0c\u7136\u540e\u5185\u6838 \u5c31\u4f1a\u4f7f\u7528\u5b83\u4f5c\u4e3a\u8bbf\u95ee\u63a7\u5236\u51b3\u5b9a\u7684\u6839\u636e\u3002<\/p>\n

    \n\u6ce8\u610f\uff1a\u5728\u8ba1\u7b97\u673a\u5b89\u5168\u9886\u57df\uff0c\u672f\u8bed\u7b56\u7565\u662f\u4e00\u4e2a\u975e\u5e38\u5927\u7684\u8303\u56f4\u3002\u5728\u8fd9\u4e00\u7ae0\u4e2d\uff0c\u5b9a\u4e49\u4e00\u4e2a\u7ec4\u7ec7\u7684\u5b89\u5168\u76ee\u6807\u548c\u76ee\u7684 \u65f6\u6211\u4eec\u4f7f\u7528\u8fd9\u4e2a\u672f\u8bed\u3002\u7136\u800c\uff0c\u5728\u8c08\u5230\u8f7d\u5165\u5185\u6838\u7684SELinux\u89c4\u5219\u96c6\uff08\u548c\u5305\u62ec\u5b83\u4eec\u7684\u6587\u4ef6\uff09\u65f6\u4e5f\u4f7f\u7528\u7b56\u7565\u8fd9\u4e2a\u672f\u8bed\u3002\u6211\u4eec\u5c3d\u529b\u907f\u514d\u4f7f\u7528\u8fd9\u4e2a\u8bcd\u65f6\u4ea7\u751f\u51b2\u7a81\uff0c\u4f46\u4e0d\u80fd \u5b8c\u5168\u907f\u514d\u8fd9\u4e2a\u95ee\u9898\uff0c\u5982\u679c\u9047\u5230\u6709\u6b67\u4e49\u7684\u5730\u65b9\uff0c\u6211\u4eec\u901a\u5e38\u4f1a\u660e\u786e\u5730\u7f16\u5199SELinux\u7b56\u7565\u6765\u907f\u514d\u51b2\u7a81\u3002<\/p>\n

    \nSELinux\u4e3aLinux\u5e26\u6765\u4e86\u7075\u6d3b\u7684\u7c7b\u578b\u5f3a\u5236\u548c\u4e00\u5957\u57fa\u4e8e\u89d2\u8272\u7684\u8bbf\u95ee\u63a7\u5236\uff0c\u4ee5\u53ca\u975e\u5f3a\u5236\u7684MLS\u3002\u8fd9\u4e2a\u7075\u6d3b\u6027\u548c\u9002\u5e94\u6027\u5f3a\u7684MAC\u5b89\u5168\u5df2\u7ecf\u5185\u7f6e\u5230\u4e3b\u6d41\u7684Linux\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u8bf4\u660eSELinux\u662f\u5982\u6b64\u6709\u5e0c\u671b\u7684\u63d0\u9ad8\u5b89\u5168\u6027\u7684\u6280\u672f\u3002<\/p>\n

    6 SELinux\u7684\u53d1\u5c55<\/strong><\/h2>\n

    SELinux\u8d77\u6e90\u4e8e\u81ea1980\u5f00\u59cb\u7684\u5fae\u5185\u6838\u548c\u64cd\u4f5c\u7cfb\u7edf\u5b89\u5168\u7684\u7814\u7a76\uff0c\u8fd9\u4e24\u6761\u7814\u7a76\u7ebf\u8def\u6700\u540e\u5f62\u6210\u4e86\u4e00\u4e2a\u53eb\u505a\u7684\u5206\u5e03\u5f0f\u4fe1\u4efb\u8ba1\u7b97\u673a\uff08Distribute Trusted Mach (DTMach)\uff09\u7684\u9879\u76ee\uff0c\u5b83\u878d\u5408\u4e86\u65e9\u671f\u7814\u7a76\u9879\u76ee\u7684\u6210\u679c\uff08LOCK\u3010\u9501\u3011\uff0c\u5b83\u5305\u542b\u4e00\u7ec4\u5b89\u5168\u5185\u6838\u7c7b\u578b\u5f3a\u5236\uff1bTrusted Mach\u3010\u4fe1\u4efb\u8ba1\u7b97\u673a\u3011\uff0c\u5b83\u5c06\u591a\u5c42\u5b89\u5168\u63a7\u5236\u5408\u5e76\u5230\u8ba1\u7b97\u673a\u5fae\u5185\u6838\u4e2d\uff09\u3002\u7f8e\u56fd\u56fd\u5bb6\u5b89\u5168\u5c40\u7684\u7814\u7a76\u7ec4\u7ec7\u53c2\u52a0\u4e86DTMach\u9879\u76ee\uff0c\u4ed8\u51fa\u4e86\u5de8\u5927\u52aa\u529b\uff0c\u5e76\u4e14\u7ee7\u7eed\u53c2\u4e0e\u4e86\u5927 \u91cf\u7684\u540e\u7eed\u5b89\u5168\u5fae\u5185\u6838\u9879\u76ee\u3002\u6700\u7ec8\uff0c\u8fd9\u4e9b\u5de5\u4f5c\u548c\u52aa\u529b\u5bfc\u81f4\u4e86\u4e00\u4e2a\u65b0\u7684\u9879\u76ee\u4ea7\u751f\uff0c\u90a3\u5c31\u662fFlask\uff0c\u5b83\u652f\u6301\u66f4\u4e30\u5bcc\u7684\u52a8\u6001\u7c7b\u578b\u7684\u5f3a\u5236\u673a\u5236\u3002<\/p>\n

    \n\u7531\u4e8e\u4e0d\u540c\u5e73\u53f0\u5bf9\u8fd9\u8fd9\u9879\u6280\u672f\u6ca1\u6709\u5e7f\u6cdb\u4f7f\u7528\uff0cNAS\u8ba4\u4e3a\u9700\u8981\u5728\u5927\u91cf\u7684\u793e\u56e2\u4e2d\u5c55\u793a\u8fd9\u4e2a\u6280\u672f\uff0c\u4ee5\u8bf4\u660e\u5b83\u7684\u6301\u4e45\u751f\u547d\u529b\uff0c\u5e76\u6536\u96c6\u5e7f\u6cdb\u7684\u4f7f\u7528\u652f\u6301\u610f\u89c1\u3002\u57281999 \u5e74\u590f\u5929\uff0cNSA\u5f00\u59cb\u5728Linux\u5185\u6838\u4e2d\u5b9e\u73b0Flask\u5b89\u5168\u67b6\u6784\uff0c\u57282000\u5e74\u5341\u4e8c\u6708\uff0cNSA\u53d1\u5e03\u4e86\u8fd9\u9879\u7814\u7a76\u7684\u7b2c\u4e00\u4e2a\u516c\u5171\u7248\u672c\uff0c\u53eb\u505a\u5b89\u5168\u589e\u5f3a\u7684Linux\u3002 \u56e0\u4e3a\u662f\u5728\u4e3b\u6d41\u7684\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u5b9e\u73b0\u7684\uff0c\u6240\u4ee5SELinux\u5f00\u59cb\u53d7\u5230Linux\u793e\u533a\u7684\u6ce8\u610f\uff0cSELinux\u6700\u8fdf\u662f\u57282.2.x\u5185\u6838\u4e2d\u4ee5\u4e00\u5957\u5185\u6838\u8865\u4e01\u7684\u5f62\u5f0f\u53d1\u5e03 \u7684\u3002<\/p>\n

    \n\u968f\u77402001\u5e74Linux\u5185\u6838\u9ad8\u7ea7\u4f1a\u8bae\u5728\u52a0\u62ff\u5927\u6e25\u592a\u534e\u987a\u5229\u53ec\u5f00\uff0cLinux\u5b89\u5168\u6a21\u578b\uff08LSM[7 http:\/\/lsm.immunix.org\/]\uff09\u9879\u76ee\u5f00\u59cb\u4e3aLinux\u5185\u6838\u521b\u5efa\u7075\u6d3b\u7684\u6846\u67b6\uff0c\u5141\u8bb8 \u4e0d\u540c\u7684\u5b89\u5168\u6269\u5c55\u6dfb\u52a0\u5230Linux\u4e2d\u3002NSA\u548cSELinux\u793e\u533a\u662fSELinux\u7684\u4e3b\u8981\u8d21\u732e\u8005\uff0cSELinux\u5e2e\u52a9LSM\u5b9e\u73b0\u4e86\u5927\u91cf\u7684\u9700\u6c42\uff0c\u4e3a\u4e86\u4e0eLSM \u4e00\u8d77\u5de5\u4f5c\uff0cNSA\u5f00\u59cb\u4fee\u6539SELinux\u4f7f\u7528LSM\u6846\u67b6\u30022002\u5e74\u516b\u6708LSM\u6838\u5fc3\u7279\u6027\u88ab\u96c6\u6210\u5230Linux\u5185\u6838\u4e3b\u7ebf\uff0c\u540c\u65f6\u88ab\u5408\u5e76\u5230Linux 2.6\u5185\u6838\u30022003\u5e74\u516b\u6708\uff0cNSA\u5728\u5f00\u6e90\u793e\u533a\u7684\u5e2e\u52a9\u4e0b\uff0c\u5b8c\u6210\u4e86SELinux\u5230LSM\u6846\u67b6\u7684\u8fc1\u79fb\uff0c\u81f3\u6b64\uff0cSELinux\u8fdb\u5165Linux 2.6\u5185\u6838\u4e3b\u7ebf\uff0cSELinux\u5df2\u7ecf\u6210\u4e3a\u4e00\u79cd\u5168\u529f\u80fd\u7684LSM\u6a21\u5757\uff0c\u5305\u62ec\u5728\u6838\u5fc3Linux\u4ee3\u7801\u96c6\u4e2d\u3002<\/p>\n

    \u6570\u4e2aLinux\u53d1\u884c\u7248\u5f00\u59cb\u57282.6\u5185\u6838\u4e2d\u4e0d\u540c\u7a0b\u5ea6\u4f7f\u7528SELinux\u7279\u6027\uff0c\u4f46\u6700\u4e3b\u8981\u662f\u9760Red Hat\u53d1\u8d77\u7684Fedora Core\u9879\u76ee\u624d\u4f7fSELinux\u5177\u5907\u4f01\u4e1a\u7ea7\u5e94\u7528\u80fd\u529b\uff0cNSA\u548cRed Hat\u5f00\u59cb\u8054\u5408\u96c6\u6210SELinux\uff0c\u5c06\u5176\u4f5c\u4e3aFedora Core Linux\u53d1\u884c\u7248\u7684\u4e00\u90e8\u5206\u3002\u5728Red Hat\u53c2\u4e0e\u4e4b\u524d\uff0cSELinux\u603b\u662f\u4f5c\u4e3a\u4e00\u4e2a\u9644\u52a0\u7684\u8f6f\u4ef6\u5305\uff0c\u9700\u8981\u4e13\u5bb6\u7ea7\u4efb\u52a1\u624d\u80fd\u8fdb\u884c\u96c6\u6210\u3002Red Hat\u5f00\u59cb\u91c7\u53d6\u884c\u52a8\u8ba9SELinux\u6210\u4e3a\u4e3b\u6d41\u53d1\u884c\u7248\u7684\u4e00\u90e8\u5206\uff0c\u5b8c\u6210\u4e86\u7528\u6237\u7a7a\u95f4\u5de5\u5177\u548c\u670d\u52a1\u7684\u4fee\u6539\uff0c\u9ed8\u8ba4\u5f00\u542f\u589e\u5f3a\u7684\u5b89\u5168\u4fdd\u62a4\u3002\u4eceFedora Core 2\u5f00\u59cb\uff0cSELinux\u548c\u5b83\u7684\u652f\u6301\u57fa\u7840\u67b6\u6784\u4ee5\u53ca\u5de5\u5177\u5f97\u5230\u6539\u8fdb\u3002\u57282005\u5e74\u65e9\u4e9b\u65f6\u5019\uff0cRed Hat\u53d1\u5e03\u4e86\u5b83\u7684Enterprise Linux 4\uff08REL 4\uff09\uff0c\u5728\u8fd9\u4e2a\u7248\u672c\u4e2d\uff0cSELinux\u9ed8\u8ba4\u5c31\u662f\u5b8c\u5168\u5f00\u542f\u7684\uff0cSELinux\u548c\u5f3a\u5236\u8bbf\u95ee\u63a7\u5236\u5df2\u7ecf\u8fdb\u5165\u4e86\u4e3b\u6d41\u64cd\u4f5c\u7cfb\u7edf\u548c\u5e02\u573a\u3002<\/p>\n

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    1 \u4ec0\u4e48\u662fSELinux? \u00a0 \u00a0 \u00a0SElinu…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3,9],"tags":[],"_links":{"self":[{"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=\/wp\/v2\/posts\/294"}],"collection":[{"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=294"}],"version-history":[{"count":6,"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=\/wp\/v2\/posts\/294\/revisions"}],"predecessor-version":[{"id":299,"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=\/wp\/v2\/posts\/294\/revisions\/299"}],"wp:attachment":[{"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=294"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=294"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=294"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}