{"id":61513,"date":"2025-04-29T09:55:44","date_gmt":"2025-04-29T01:55:44","guid":{"rendered":"https:\/\/fwq.ai\/blog\/61513\/"},"modified":"2025-04-29T09:55:44","modified_gmt":"2025-04-29T01:55:44","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8linux%e4%b8%8a%e9%85%8d%e7%bd%ae%e5%ae%b9%e5%99%a8%e5%ae%89%e5%85%a8-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/61513\/","title":{"rendered":"\u5982\u4f55\u5728Linux\u4e0a\u914d\u7f6e\u5bb9\u5668\u5b89\u5168"},"content":{"rendered":"

\u5982\u4f55\u5728linux\u4e0a\u914d\u7f6e\u5bb9\u5668\u5b89\u5168<\/p>\n

\u968f\u7740\u5bb9\u5668\u6280\u672f\u7684\u8fc5\u901f\u53d1\u5c55\uff0c\u8d8a\u6765\u8d8a\u591a\u7684\u4f01\u4e1a\u548c\u5f00\u53d1\u8005\u5f00\u59cb\u5c06\u5e94\u7528\u7a0b\u5e8f\u90e8\u7f72\u5728\u5bb9\u5668\u4e2d\u3002\u7136\u800c\uff0c\u5728\u4eab\u53d7\u5bb9\u5668\u5e26\u6765\u7684\u4fbf\u5229\u6027\u7684\u540c\u65f6\uff0c\u6211\u4eec\u4e5f\u9700\u8981\u5173\u6ce8\u5bb9\u5668\u5b89\u5168\u6027\u7684\u95ee\u9898\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728linux\u4e0a\u914d\u7f6e\u5bb9\u5668\u5b89\u5168\uff0c\u5305\u62ec\u914d\u7f6e\u5bb9\u5668\u8fd0\u884c\u65f6\u7684\u5b89\u5168\u9009\u9879\u3001\u4f7f\u7528\u5bb9\u5668\u9694\u79bb\u6280\u672f\u3001\u4ee5\u53ca\u5ba1\u8ba1\u5bb9\u5668\u6d3b\u52a8\u7b49\u3002<\/p>\n

    \n
  1. \u914d\u7f6e\u5bb9\u5668\u8fd0\u884c\u65f6\u7684\u5b89\u5168\u9009\u9879<\/li>\n<\/ol>\n

    \u5bb9\u5668\u8fd0\u884c\u65f6\u662f\u8d1f\u8d23\u7ba1\u7406\u5bb9\u5668\u751f\u547d\u5468\u671f\u7684\u7ec4\u4ef6\uff0c\u5982Docker\u4e2d\u7684Docker Engine\u3002\u4e3a\u4e86\u63d0\u9ad8\u5bb9\u5668\u7684\u5b89\u5168\u6027\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6e\u5bb9\u5668\u8fd0\u884c\u65f6\u7684\u5b89\u5168\u9009\u9879\u6765\u9650\u5236\u5bb9\u5668\u7684\u6743\u9650\u3002<\/p>\n

    \u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u4e3a\u5bb9\u5668\u8bbe\u7f6e\u4e00\u4e2a\u53ea\u8bfb\u7684\u6839\u6587\u4ef6\u7cfb\u7edf\uff0c\u7981\u6b62\u5bb9\u5668\u5bf9\u5bbf\u4e3b\u673a\u4e0a\u7684\u654f\u611f\u6587\u4ef6\u8fdb\u884c\u4fee\u6539\uff1a<\/p>\n

    docker run --read-only ...<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u6b64\u5916\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528–cap-add\u548c–cap-drop\u53c2\u6570\u6765\u9650\u5236\u5bb9\u5668\u4e2d\u7684\u6743\u9650\uff0c\u53ea\u8d4b\u4e88\u5bb9\u5668\u9700\u8981\u7684\u6700\u5c0f\u64cd\u4f5c\u6743\u9650\uff1a<\/p>\n
    docker run --cap-add=NET_ADMIN ...\ndocker run --cap-drop=all ...<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      \n
    1. \u4f7f\u7528\u5bb9\u5668\u9694\u79bb\u6280\u672f<\/li>\n<\/ol>\n
      \u5bb9\u5668\u9694\u79bb\u6280\u672f\u662f\u4fdd\u8bc1\u5bb9\u5668\u4e4b\u95f4\u76f8\u4e92\u9694\u79bb\u7684\u91cd\u8981\u624b\u6bb5\u3002Linux\u5185\u6838\u63d0\u4f9b\u4e86\u591a\u79cd\u5bb9\u5668\u9694\u79bb\u7684\u673a\u5236\uff0c\u5305\u62ec\u547d\u540d\u7a7a\u95f4\u3001cgroups\u548cSecComp\u7b49\u3002<\/p>\n
      \u547d\u540d\u7a7a\u95f4\uff08Namespace\uff09\u53ef\u4ee5\u5c06\u67d0\u4e2a\u8fdb\u7a0b\u53ca\u5176\u5b50\u8fdb\u7a0b\u7684\u8d44\u6e90\u9694\u79bb\u8d77\u6765\uff0c\u4f7f\u5176\u5728\u4e00\u4e2a\u547d\u540d\u7a7a\u95f4\u4e2d\u8fd0\u884c\uff0c\u800c\u4e0d\u4e0e\u5176\u4ed6\u5bb9\u5668\u5171\u4eab\u8d44\u6e90\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528unshare\u547d\u4ee4\u5728\u4e00\u4e2a\u65b0\u7684\u547d\u540d\u7a7a\u95f4\u4e2d\u542f\u52a8\u5bb9\u5668\uff1a<\/p>\n
      unshare --mount --pid --net --uts --ipc --user --fork --mount-proc docker run ...<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      cgroups\uff08Control Groups\uff09\u5141\u8bb8\u6211\u4eec\u5bf9\u5bb9\u5668\u4e2d\u7684\u8d44\u6e90\u8fdb\u884c\u9650\u5236\u548c\u4f18\u5148\u7ea7\u63a7\u5236\uff0c\u5982CPU\u3001\u5185\u5b58\u3001\u78c1\u76d8IO\u7b49\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528cgcreate\u547d\u4ee4\u521b\u5efa\u4e00\u4e2acgroup\uff0c\u5e76\u9650\u5236\u5bb9\u5668\u7684CPU\u4f7f\u7528\u7387\u4e3a50%\uff1a<\/p>\n
      cgcreate -g cpu:\/mygroup\necho 50000 &gt; \/sys\/fs\/cgroup\/cpu\/mygroup\/cpu.cfs_quota_us<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      SecComp\uff08Secure Computing Mode\uff09\u662f\u4e00\u4e2a\u7528\u4e8e\u8fc7\u6ee4\u7cfb\u7edf\u8c03\u7528\u7684\u5b89\u5168\u673a\u5236\uff0c\u5728\u5bb9\u5668\u4e2d\u53ef\u4ee5\u4f7f\u7528SecComp\u6765\u9650\u5236\u5bb9\u5668\u5bf9\u654f\u611f\u7cfb\u7edf\u8c03\u7528\u7684\u8bbf\u95ee\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528seccomp\u53c2\u6570\u6765\u542f\u7528SecComp\u5e76\u914d\u7f6e\u7cfb\u7edf\u8c03\u7528\u89c4\u5219\uff1a<\/p>\n
      docker run --security-opt seccomp=\/path\/to\/seccomp.json ...<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
        \n
      1. \u5ba1\u8ba1\u5bb9\u5668\u6d3b\u52a8<\/li>\n<\/ol>\n
        \u5ba1\u8ba1\u5bb9\u5668\u6d3b\u52a8\u662f\u5b9e\u73b0\u5bb9\u5668\u5b89\u5168\u7684\u91cd\u8981\u624b\u6bb5\u4e4b\u4e00\u3002\u901a\u8fc7\u5ba1\u8ba1\uff0c\u6211\u4eec\u53ef\u4ee5\u8bb0\u5f55\u548c\u76d1\u63a7\u5bb9\u5668\u7684\u884c\u4e3a\uff0c\u53ca\u65f6\u53d1\u73b0\u6f5c\u5728\u7684\u5b89\u5168\u95ee\u9898\u3002<\/p>\n
        Linux\u5185\u6838\u63d0\u4f9b\u4e86audit\u5b50\u7cfb\u7edf\uff0c\u53ef\u4ee5\u7528\u4e8e\u5ba1\u8ba1\u548c\u8ddf\u8e2a\u7cfb\u7edf\u4e2d\u7684\u6d3b\u52a8\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528auditctl\u547d\u4ee4\u6765\u914d\u7f6e\u5ba1\u8ba1\u89c4\u5219\u5e76\u5f00\u542f\u5ba1\u8ba1\u529f\u80fd\uff1a<\/p>\n
        auditctl -w \/path\/to\/container -p rwxa\nauditctl -w \/path\/to\/host -p rwxa\nauditctl -w \/path\/to\/filesystem -p rwxa\nauditctl -w \/path\/to\/network -p rwxa<\/pre>\n
          \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
        \u4ee5\u4e0a\u547d\u4ee4\u5c06\u76d1\u63a7\u5bb9\u5668\u53ca\u5176\u6240\u5728\u5bbf\u4e3b\u673a\u4e0a\u6307\u5b9a\u8def\u5f84\u7684\u6587\u4ef6\u7cfb\u7edf\u548c\u7f51\u7edc\u6d3b\u52a8\uff0c\u5e76\u8bb0\u5f55\u76f8\u5173\u5ba1\u8ba1\u65e5\u5fd7\u3002<\/p>\n
        \u7d50\u8bed<\/p>\n
        \u901a\u8fc7\u914d\u7f6e\u5bb9\u5668\u8fd0\u884c\u65f6\u7684\u5b89\u5168\u9009\u9879\u3001\u4f7f\u7528\u5bb9\u5668\u9694\u79bb\u6280\u672f\u4ee5\u53ca\u5ba1\u8ba1\u5bb9\u5668\u6d3b\u52a8\uff0c\u6211\u4eec\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8Linux\u4e0a\u5bb9\u5668\u7684\u5b89\u5168\u6027\u3002\u7136\u800c\uff0c\u5bb9\u5668\u5b89\u5168\u662f\u4e00\u4e2a\u590d\u6742\u7684\u8bdd\u9898\uff0c\u9700\u8981\u7efc\u5408\u8003\u8651\u591a\u4e2a\u56e0\u7d20\u3002\u9664\u4e86\u4ee5\u4e0a\u4ecb\u7ecd\u7684\u65b9\u6cd5\uff0c\u8fd8\u6709\u8bb8\u591a\u5176\u4ed6\u5b89\u5168\u63aa\u65bd\u53ef\u4f9b\u9009\u62e9\u3002\u5e0c\u671b\u672c\u6587\u80fd\u591f\u4e3a\u60a8\u63d0\u4f9b\u4e00\u4e9b\u6709\u7528\u7684\u4fe1\u606f\uff0c\u5e2e\u52a9\u60a8\u66f4\u597d\u5730\u4fdd\u969c\u5bb9\u5668\u5b89\u5168\u3002<\/p>\n
        \u53c2\u8003\u8d44\u6599\uff1a<\/p>\n
          \n
        1. Docker Documentaion. https:\/\/docs.docker.com\/<\/li>\n
        2. Red Hat Container Security Guide. https:\/\/access.redhat.com\/documentation\/en-us\/red_hat_enterprise_linux\/8\/html-single\/managing_containers\/<\/li>\n
        3. Linux Audit – Documentation. http:\/\/man7.org\/linux\/man-pages\/man7\/audit.7.html<\/li>\n<\/ol>\n
          \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u5728Linux\u4e0a\u914d\u7f6e\u5bb9\u5668\u5b89\u5168\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8FDCServers\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
          \u5982\u4f55\u5728linux\u4e0a\u914d\u7f6e\u5bb9\u5668\u5b89\u5168 \u968f\u7740\u5bb9\u5668\u6280\u672f\u7684\u8fc5\u901f\u53d1\u5c55\uff0c\u8d8a\u6765\u8d8a\u591a\u7684\u4f01\u4e1a\u548c\u5f00\u53d1\u8005\u5f00\u59cb\u5c06\u5e94\u7528\u7a0b\u5e8f\u90e8\u7f72\u5728\u5bb9\u5668\u4e2d\u3002\u7136\u800c\uff0c\u5728\u4eab\u53d7\u5bb9\u5668\u5e26\u6765\u7684\u4fbf\u5229\u6027\u7684\u540c\u65f6\uff0c\u6211\u4eec\u4e5f\u9700\u8981\u5173\u6ce8\u5bb9\u5668\u5b89\u5168\u6027\u7684\u95ee\u9898\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728linux\u4e0a\u914d\u7f6e\u5bb9\u5668\u5b89\u5168\uff0c\u5305\u62ec\u914d\u7f6e\u5bb9\u5668\u8fd0\u884c\u65f6\u7684\u5b89\u5168\u9009\u9879\u3001\u4f7f\u7528\u5bb9\u5668\u9694\u79bb\u6280\u672f\u3001\u4ee5\u53ca\u5ba1\u8ba1\u5bb9\u5668\u6d3b\u52a8\u7b49\u3002 \u914d\u7f6e\u5bb9\u5668\u8fd0\u884c\u65f6\u7684\u5b89\u5168\u9009\u9879 \u5bb9\u5668\u8fd0\u884c\u65f6\u662f\u8d1f\u8d23\u7ba1\u7406\u5bb9\u5668\u751f\u547d\u5468\u671f\u7684\u7ec4\u4ef6\uff0c\u5982Docker\u4e2d\u7684Docker Engine\u3002\u4e3a\u4e86\u63d0\u9ad8\u5bb9\u5668\u7684\u5b89\u5168\u6027\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6e\u5bb9\u5668\u8fd0\u884c\u65f6\u7684\u5b89\u5168\u9009\u9879\u6765\u9650\u5236\u5bb9\u5668\u7684\u6743\u9650\u3002 \u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u4e3a\u5bb9\u5668\u8bbe\u7f6e\u4e00\u4e2a\u53ea\u8bfb\u7684\u6839\u6587\u4ef6\u7cfb\u7edf\uff0c\u7981\u6b62\u5bb9\u5668\u5bf9\u5bbf\u4e3b\u673a\u4e0a\u7684\u654f\u611f\u6587\u4ef6\u8fdb\u884c\u4fee\u6539\uff1a docker run –read-only … \u767b\u5f55\u540e\u590d\u5236 \u6b64\u5916\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528–cap-add\u548c–cap-drop\u53c2\u6570\u6765\u9650\u5236\u5bb9\u5668\u4e2d\u7684\u6743\u9650\uff0c\u53ea\u8d4b\u4e88\u5bb9\u5668\u9700\u8981\u7684\u6700\u5c0f\u64cd\u4f5c\u6743\u9650\uff1a docker run –cap-add=NET_ADMIN … docker run –cap-drop=all … \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528\u5bb9\u5668\u9694\u79bb\u6280\u672f \u5bb9\u5668\u9694\u79bb\u6280\u672f\u662f\u4fdd\u8bc1\u5bb9\u5668\u4e4b\u95f4\u76f8\u4e92\u9694\u79bb\u7684\u91cd\u8981\u624b\u6bb5\u3002Linux\u5185\u6838\u63d0\u4f9b\u4e86\u591a\u79cd\u5bb9\u5668\u9694\u79bb\u7684\u673a\u5236\uff0c\u5305\u62ec\u547d\u540d\u7a7a\u95f4\u3001cgroups\u548cSecComp\u7b49\u3002 \u547d\u540d\u7a7a\u95f4\uff08Namespace\uff09\u53ef\u4ee5\u5c06\u67d0\u4e2a\u8fdb\u7a0b\u53ca\u5176\u5b50\u8fdb\u7a0b\u7684\u8d44\u6e90\u9694\u79bb\u8d77\u6765\uff0c\u4f7f\u5176\u5728\u4e00\u4e2a\u547d\u540d\u7a7a\u95f4\u4e2d\u8fd0\u884c\uff0c\u800c\u4e0d\u4e0e\u5176\u4ed6\u5bb9\u5668\u5171\u4eab\u8d44\u6e90\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528unshare\u547d\u4ee4\u5728\u4e00\u4e2a\u65b0\u7684\u547d\u540d\u7a7a\u95f4\u4e2d\u542f\u52a8\u5bb9\u5668\uff1a unshare –mount –pid –net –uts –ipc –user –fork –mount-proc docker run … \u767b\u5f55\u540e\u590d\u5236 cgroups\uff08Control Groups\uff09\u5141\u8bb8\u6211\u4eec\u5bf9\u5bb9\u5668\u4e2d\u7684\u8d44\u6e90\u8fdb\u884c\u9650\u5236\u548c\u4f18\u5148\u7ea7\u63a7\u5236\uff0c\u5982CPU\u3001\u5185\u5b58\u3001\u78c1\u76d8IO\u7b49\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528cgcreate\u547d\u4ee4\u521b\u5efa\u4e00\u4e2acgroup\uff0c\u5e76\u9650\u5236\u5bb9\u5668\u7684CPU\u4f7f\u7528\u7387\u4e3a50%\uff1a cgcreate -g cpu:\/mygroup echo 50000 &gt; \/sys\/fs\/cgroup\/cpu\/mygroup\/cpu.cfs_quota_us \u767b\u5f55\u540e\u590d\u5236 SecComp\uff08Secure Computing Mode\uff09\u662f\u4e00\u4e2a\u7528\u4e8e\u8fc7\u6ee4\u7cfb\u7edf\u8c03\u7528\u7684\u5b89\u5168\u673a\u5236\uff0c\u5728\u5bb9\u5668\u4e2d\u53ef\u4ee5\u4f7f\u7528SecComp\u6765\u9650\u5236\u5bb9\u5668\u5bf9\u654f\u611f\u7cfb\u7edf\u8c03\u7528\u7684\u8bbf\u95ee\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528seccomp\u53c2\u6570\u6765\u542f\u7528SecComp\u5e76\u914d\u7f6e\u7cfb\u7edf\u8c03\u7528\u89c4\u5219\uff1a docker run –security-opt seccomp=\/path\/to\/seccomp.json … […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-61513","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/61513","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=61513"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/61513\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=61513"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=61513"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=61513"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}