{"id":51416,"date":"2024-12-03T17:37:44","date_gmt":"2024-12-03T09:37:44","guid":{"rendered":"https:\/\/fwq.ai\/blog\/51416\/"},"modified":"2024-12-03T17:37:44","modified_gmt":"2024-12-03T09:37:44","slug":"%e6%b7%b1%e5%85%a5%e8%a7%a3%e6%9e%90selinux%ef%bc%8c%e6%8e%a2%e7%a9%b6%e5%85%b6%e4%bd%9c%e7%94%a8%e5%8f%8a%e5%8a%9f%e8%83%bd","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/51416\/","title":{"rendered":"\u6df1\u5165\u89e3\u6790SELinux\uff0c\u63a2\u7a76\u5176\u4f5c\u7528\u53ca\u529f\u80fd"},"content":{"rendered":"

<\/b> <\/p>\n

\u6df1\u5165\u89e3\u6790SELinux\uff0c\u63a2\u7a76\u5176\u4f5c\u7528\u53ca\u529f\u80fd<\/h1>\n

\u79ef\u7d2f\u77e5\u8bc6\uff0c\u80dc\u8fc7\u79ef\u84c4\u91d1\u94f6\uff01\u6bd5\u7adf\u5728\u6587\u7ae0\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4f1a\u9047\u5230\u5404\u79cd\u5404\u6837\u7684\u95ee\u9898\uff0c\u5f80\u5f80\u90fd\u662f\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u6ca1\u6709\u638c\u63e1\u597d\u800c\u5bfc\u81f4\u7684\uff0c\u56e0\u6b64\u57fa\u7840\u77e5\u8bc6\u70b9\u7684\u79ef\u7d2f\u662f\u5f88\u91cd\u8981\u7684\u3002\u4e0b\u9762\u672c\u6587\u300a\u6df1\u5165\u89e3\u6790SELinux\uff0c\u63a2\u7a76\u5176\u4f5c\u7528\u53ca\u529f\u80fd\u300b\uff0c\u5c31\u5e26\u5927\u5bb6\u8bb2\u89e3\u4e00\u4e0b\u77e5\u8bc6\u70b9\uff0c\u82e5\u662f\u4f60\u5bf9\u672c\u6587\u611f\u5174\u8da3\uff0c\u6216\u8005\u662f\u60f3\u641e\u61c2\u5176\u4e2d\u67d0\u4e2a\u77e5\u8bc6\u70b9\uff0c\u5c31\u8bf7\u4f60\u7ee7\u7eed\u5f80\u4e0b\u770b\u5427~<\/p>\n

SELinux\u662f\u4ec0\u4e48\uff1f\u4e00\u6587\u8be6\u89e3<\/strong><\/p>\n

SELinux\uff08Security-Enhanced Linux\uff09\u662f\u4e00\u79cd\u5b89\u5168\u589e\u5f3a\u578b\u7684Linux\u7cfb\u7edf\u5b89\u5168\u6269\u5c55\u6a21\u5757\uff0c\u65e8\u5728\u63d0\u9ad8Linux\u64cd\u4f5c\u7cfb\u7edf\u7684\u5b89\u5168\u6027\u3002\u901a\u8fc7\u5b9e\u73b0\u5f3a\u5236\u8bbf\u95ee\u63a7\u5236\uff08MAC\uff09\u673a\u5236\uff0cSELinux\u53ef\u4ee5\u9650\u5236\u7a0b\u5e8f\u7684\u8bbf\u95ee\u6743\u9650\uff0c\u4fdd\u62a4\u7cfb\u7edf\u514d\u53d7\u6076\u610f\u8f6f\u4ef6\u548c\u653b\u51fb\u8005\u7684\u4fb5\u5bb3\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u89e3\u91caSELinux\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u8bf4\u660e\u5176\u5e94\u7528\u3002<\/p>\n

1. SELinux\u57fa\u672c\u6982\u5ff5<\/strong><\/p>\n

\u5728\u4f20\u7edf\u7684Linux\u7cfb\u7edf\u4e2d\uff0c\u7528\u6237\u548c\u7a0b\u5e8f\u4e00\u822c\u62e5\u6709\u8f83\u9ad8\u7684\u6743\u9650\uff0c\u8fd9\u6837\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7cfb\u7edf\u5bb9\u6613\u53d7\u5230\u653b\u51fb\u3002\u800cSELinux\u5219\u901a\u8fc7\u5f15\u5165\u5f3a\u5236\u8bbf\u95ee\u63a7\u5236\uff08MAC\uff09\u6765\u6539\u5584\u8fd9\u79cd\u60c5\u51b5\u3002\u5728SELinux\u4e2d\uff0c\u6bcf\u4e2a\u5bf9\u8c61\uff08\u6587\u4ef6\u3001\u8fdb\u7a0b\u3001\u7aef\u53e3\u7b49\uff09\u90fd\u6709\u4e00\u4e2a\u5b89\u5168\u4e0a\u4e0b\u6587\uff0c\u5305\u62ec\u4e86\u5bf9\u8c61\u7684\u7c7b\u578b\u548c\u5b89\u5168\u6027\u7b56\u7565\u3002\u5b89\u5168\u4e0a\u4e0b\u6587\u7531SELinux\u7b56\u7565\u5f15\u64ce\u5f3a\u5236\u6267\u884c\uff0c\u51b3\u5b9a\u4e86\u5bf9\u8c61\u662f\u5426\u53ef\u4ee5\u88ab\u8bbf\u95ee\u4ee5\u53ca\u5982\u4f55\u88ab\u8bbf\u95ee\u3002<\/p>\n

2. SELinux\u7684\u5de5\u4f5c\u65b9\u5f0f<\/strong><\/p>\n

SELinux\u7684\u5de5\u4f5c\u65b9\u5f0f\u53ef\u4ee5\u603b\u7ed3\u4e3a\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4\uff1a<\/p>\n

(1) \u7b56\u7565\u5b9a\u4e49\uff1aSELinux\u7684\u884c\u4e3a\u7531\u5b89\u5168\u7b56\u7565\u5b9a\u4e49\u6587\u4ef6\u63a7\u5236\uff0c\u8fd9\u4e9b\u6587\u4ef6\u89c4\u5b9a\u4e86\u54ea\u4e9b\u8fdb\u7a0b\u53ef\u4ee5\u8bbf\u95ee\u54ea\u4e9b\u8d44\u6e90\uff0c\u5e76\u4ee5\u4ec0\u4e48\u65b9\u5f0f\u8bbf\u95ee\u3002<\/p>\n

(2) \u5b89\u5168\u4e0a\u4e0b\u6587\uff1a\u6bcf\u4e2a\u5bf9\u8c61\u90fd\u6709\u4e00\u4e2a\u552f\u4e00\u7684\u5b89\u5168\u4e0a\u4e0b\u6587\uff0c\u5b83\u7531\u4e09\u90e8\u5206\u7ec4\u6210\uff1a\u7528\u6237\u3001\u89d2\u8272\u548c\u7c7b\u578b\u3002\u8fd9\u4e09\u90e8\u5206\u5b9a\u4e49\u4e86\u5bf9\u8c61\u7684\u8bbf\u95ee\u6743\u9650\u3002<\/p>\n

(3) \u51b3\u7b56\u5f15\u64ce\uff1aSELinux\u7684\u51b3\u7b56\u5f15\u64ce\u57fa\u4e8e\u5b89\u5168\u7b56\u7565\u548c\u5b89\u5168\u4e0a\u4e0b\u6587\u6765\u505a\u51fa\u8bbf\u95ee\u51b3\u7b56\u3002\u5982\u679c\u8bbf\u95ee\u8bf7\u6c42\u7b26\u5408\u7b56\u7565\u548c\u4e0a\u4e0b\u6587\u89c4\u5219\uff0c\u8bbf\u95ee\u5141\u8bb8\uff1b\u5426\u5219\uff0c\u8bbf\u95ee\u88ab\u62d2\u7edd\u3002<\/p>\n

(4) \u5ba1\u8ba1\u65e5\u5fd7\uff1aSELinux\u4f1a\u5c06\u6240\u6709\u88ab\u62d2\u7edd\u7684\u8bbf\u95ee\u8bf7\u6c42\u8bb0\u5f55\u5728\u5ba1\u8ba1\u65e5\u5fd7\u4e2d\uff0c\u7ba1\u7406\u5458\u53ef\u4ee5\u901a\u8fc7\u5ba1\u8ba1\u65e5\u5fd7\u6765\u4e86\u89e3\u7cfb\u7edf\u7684\u5b89\u5168\u72b6\u51b5\u3002<\/p>\n

3. SELinux\u4ee3\u7801\u793a\u4f8b<\/strong><\/p>\n

\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528SELinux\u7684\u5de5\u5177\u6765\u7ba1\u7406\u5b89\u5168\u4e0a\u4e0b\u6587\uff1a<\/p>\n

# \u67e5\u8be2\u4e00\u4e2a\u6587\u4ef6\u7684\u5b89\u5168\u4e0a\u4e0b\u6587\nls -Z \/path\/to\/file\n\n# \u4fee\u6539\u6587\u4ef6\u7684\u5b89\u5168\u4e0a\u4e0b\u6587\nchcon -t httpd_sys_content_t \/path\/to\/file\n\n# \u67e5\u8be2\u4e00\u4e2a\u8fdb\u7a0b\u7684\u5b89\u5168\u4e0a\u4e0b\u6587\nps -eZ | grep process_name\n\n# \u4fee\u6539\u8fdb\u7a0b\u7684\u5b89\u5168\u4e0a\u4e0b\u6587\nchcon -t httpd_t \/path\/to\/process<\/pre>\n
\u901a\u8fc7\u4e0a\u9762\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u53ef\u4ee5\u770b\u5230\u5982\u4f55\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177\u67e5\u8be2\u548c\u4fee\u6539\u6587\u4ef6\u3001\u8fdb\u7a0b\u7684\u5b89\u5168\u4e0a\u4e0b\u6587\uff0c\u4ece\u800c\u66f4\u597d\u5730\u7ba1\u7406\u7cfb\u7edf\u7684\u5b89\u5168\u6027\u3002<\/p>\n
\u7ed3\u8bba<\/strong><\/p>\n
\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u8be6\u7ec6\u89e3\u91ca\u4e86SELinux\u662f\u4ec0\u4e48\u4ee5\u53ca\u5b83\u7684\u5de5\u4f5c\u539f\u7406\u3002\u901a\u8fc7\u5f15\u5165\u5f3a\u5236\u8bbf\u95ee\u63a7\u5236\u673a\u5236\uff0cSELinux\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u9ad8Linux\u7cfb\u7edf\u7684\u5b89\u5168\u6027\u3002\u540c\u65f6\uff0c\u6211\u4eec\u4e5f\u63d0\u4f9b\u4e86\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u6f14\u793a\u5982\u4f55\u4f7f\u7528SELinux\u5de5\u5177\u6765\u7ba1\u7406\u5b89\u5168\u4e0a\u4e0b\u6587\u3002\u5e0c\u671b\u672c\u6587\u80fd\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u4e86\u89e3\u548c\u4f7f\u7528SELinux\uff0c\u8fdb\u4e00\u6b65\u63d0\u5347\u7cfb\u7edf\u7684\u5b89\u5168\u6027\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u300a\u6df1\u5165\u89e3\u6790SELinux\uff0c\u63a2\u7a76\u5176\u4f5c\u7528\u53ca\u529f\u80fd\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8e\u8be6\u89e3,SELinux\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n
\n
<\/dt>\n
\n   \u52a0\u8f7d\u5de5\u4f5c\u533a\u6240\u9700\u7684\u5305\u8d39\u65f6\u8fc7\u957f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
\u6df1\u5165\u89e3\u6790SELinux\uff0c\u63a2\u7a76\u5176\u4f5c\u7528\u53ca\u529f\u80fd \u79ef\u7d2f\u77e5\u8bc6\uff0c\u80dc\u8fc7\u79ef\u84c4\u91d1\u94f6\uff01\u6bd5\u7adf\u5728\u6587\u7ae0\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4f1a\u9047\u5230\u5404\u79cd\u5404\u6837\u7684\u95ee\u9898\uff0c\u5f80\u5f80\u90fd\u662f\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u6ca1\u6709\u638c\u63e1\u597d\u800c\u5bfc\u81f4\u7684\uff0c\u56e0\u6b64\u57fa\u7840\u77e5\u8bc6\u70b9\u7684\u79ef\u7d2f\u662f\u5f88\u91cd\u8981\u7684\u3002\u4e0b\u9762\u672c\u6587\u300a\u6df1\u5165\u89e3\u6790SELinux\uff0c\u63a2\u7a76\u5176\u4f5c\u7528\u53ca\u529f\u80fd\u300b\uff0c\u5c31\u5e26\u5927\u5bb6\u8bb2\u89e3\u4e00\u4e0b\u77e5\u8bc6\u70b9\uff0c\u82e5\u662f\u4f60\u5bf9\u672c\u6587\u611f\u5174\u8da3\uff0c\u6216\u8005\u662f\u60f3\u641e\u61c2\u5176\u4e2d\u67d0\u4e2a\u77e5\u8bc6\u70b9\uff0c\u5c31\u8bf7\u4f60\u7ee7\u7eed\u5f80\u4e0b\u770b\u5427~ SELinux\u662f\u4ec0\u4e48\uff1f\u4e00\u6587\u8be6\u89e3 SELinux\uff08Security-Enhanced Linux\uff09\u662f\u4e00\u79cd\u5b89\u5168\u589e\u5f3a\u578b\u7684Linux\u7cfb\u7edf\u5b89\u5168\u6269\u5c55\u6a21\u5757\uff0c\u65e8\u5728\u63d0\u9ad8Linux\u64cd\u4f5c\u7cfb\u7edf\u7684\u5b89\u5168\u6027\u3002\u901a\u8fc7\u5b9e\u73b0\u5f3a\u5236\u8bbf\u95ee\u63a7\u5236\uff08MAC\uff09\u673a\u5236\uff0cSELinux\u53ef\u4ee5\u9650\u5236\u7a0b\u5e8f\u7684\u8bbf\u95ee\u6743\u9650\uff0c\u4fdd\u62a4\u7cfb\u7edf\u514d\u53d7\u6076\u610f\u8f6f\u4ef6\u548c\u653b\u51fb\u8005\u7684\u4fb5\u5bb3\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u89e3\u91caSELinux\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u8bf4\u660e\u5176\u5e94\u7528\u3002 1. SELinux\u57fa\u672c\u6982\u5ff5 \u5728\u4f20\u7edf\u7684Linux\u7cfb\u7edf\u4e2d\uff0c\u7528\u6237\u548c\u7a0b\u5e8f\u4e00\u822c\u62e5\u6709\u8f83\u9ad8\u7684\u6743\u9650\uff0c\u8fd9\u6837\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7cfb\u7edf\u5bb9\u6613\u53d7\u5230\u653b\u51fb\u3002\u800cSELinux\u5219\u901a\u8fc7\u5f15\u5165\u5f3a\u5236\u8bbf\u95ee\u63a7\u5236\uff08MAC\uff09\u6765\u6539\u5584\u8fd9\u79cd\u60c5\u51b5\u3002\u5728SELinux\u4e2d\uff0c\u6bcf\u4e2a\u5bf9\u8c61\uff08\u6587\u4ef6\u3001\u8fdb\u7a0b\u3001\u7aef\u53e3\u7b49\uff09\u90fd\u6709\u4e00\u4e2a\u5b89\u5168\u4e0a\u4e0b\u6587\uff0c\u5305\u62ec\u4e86\u5bf9\u8c61\u7684\u7c7b\u578b\u548c\u5b89\u5168\u6027\u7b56\u7565\u3002\u5b89\u5168\u4e0a\u4e0b\u6587\u7531SELinux\u7b56\u7565\u5f15\u64ce\u5f3a\u5236\u6267\u884c\uff0c\u51b3\u5b9a\u4e86\u5bf9\u8c61\u662f\u5426\u53ef\u4ee5\u88ab\u8bbf\u95ee\u4ee5\u53ca\u5982\u4f55\u88ab\u8bbf\u95ee\u3002 2. SELinux\u7684\u5de5\u4f5c\u65b9\u5f0f SELinux\u7684\u5de5\u4f5c\u65b9\u5f0f\u53ef\u4ee5\u603b\u7ed3\u4e3a\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4\uff1a (1) \u7b56\u7565\u5b9a\u4e49\uff1aSELinux\u7684\u884c\u4e3a\u7531\u5b89\u5168\u7b56\u7565\u5b9a\u4e49\u6587\u4ef6\u63a7\u5236\uff0c\u8fd9\u4e9b\u6587\u4ef6\u89c4\u5b9a\u4e86\u54ea\u4e9b\u8fdb\u7a0b\u53ef\u4ee5\u8bbf\u95ee\u54ea\u4e9b\u8d44\u6e90\uff0c\u5e76\u4ee5\u4ec0\u4e48\u65b9\u5f0f\u8bbf\u95ee\u3002 (2) \u5b89\u5168\u4e0a\u4e0b\u6587\uff1a\u6bcf\u4e2a\u5bf9\u8c61\u90fd\u6709\u4e00\u4e2a\u552f\u4e00\u7684\u5b89\u5168\u4e0a\u4e0b\u6587\uff0c\u5b83\u7531\u4e09\u90e8\u5206\u7ec4\u6210\uff1a\u7528\u6237\u3001\u89d2\u8272\u548c\u7c7b\u578b\u3002\u8fd9\u4e09\u90e8\u5206\u5b9a\u4e49\u4e86\u5bf9\u8c61\u7684\u8bbf\u95ee\u6743\u9650\u3002 (3) \u51b3\u7b56\u5f15\u64ce\uff1aSELinux\u7684\u51b3\u7b56\u5f15\u64ce\u57fa\u4e8e\u5b89\u5168\u7b56\u7565\u548c\u5b89\u5168\u4e0a\u4e0b\u6587\u6765\u505a\u51fa\u8bbf\u95ee\u51b3\u7b56\u3002\u5982\u679c\u8bbf\u95ee\u8bf7\u6c42\u7b26\u5408\u7b56\u7565\u548c\u4e0a\u4e0b\u6587\u89c4\u5219\uff0c\u8bbf\u95ee\u5141\u8bb8\uff1b\u5426\u5219\uff0c\u8bbf\u95ee\u88ab\u62d2\u7edd\u3002 (4) \u5ba1\u8ba1\u65e5\u5fd7\uff1aSELinux\u4f1a\u5c06\u6240\u6709\u88ab\u62d2\u7edd\u7684\u8bbf\u95ee\u8bf7\u6c42\u8bb0\u5f55\u5728\u5ba1\u8ba1\u65e5\u5fd7\u4e2d\uff0c\u7ba1\u7406\u5458\u53ef\u4ee5\u901a\u8fc7\u5ba1\u8ba1\u65e5\u5fd7\u6765\u4e86\u89e3\u7cfb\u7edf\u7684\u5b89\u5168\u72b6\u51b5\u3002 3. 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