{"id":132,"date":"2016-01-15T15:41:09","date_gmt":"2016-01-15T07:41:09","guid":{"rendered":"http:\/\/blog.qiaogen.com\/?p=132"},"modified":"2016-01-15T15:41:09","modified_gmt":"2016-01-15T07:41:09","slug":"ssh-chroot-jail%e7%9a%84%e5%ae%8c%e7%be%8e%e8%a7%a3%e5%86%b3%ef%bc%9assh-jail%ef%bc%8crestrict-shell-ssh-virtual-machine","status":"publish","type":"post","link":"https:\/\/www.sangqiao.com\/blog\/archives\/132","title":{"rendered":"ssh chroot jail\u7684\u5b8c\u7f8e\u89e3\u51b3\uff1assh jail\uff0crestrict shell , ssh virtual machine"},"content":{"rendered":"

\u8fd9\u51e0\u5929\u6298\u817echroot\uff0c\u76ee\u7684\u60f3\u5b9e\u73b0\u7528\u62375test\u53ea\u80fd\u8bbf\u95ee\u5b83\u81ea\u5df1\u7684\u76ee\u5f55\/home\/5test\uff0c\u5e76\u4e14\u80fd\u5b9e\u73b0\u6709\u9650\u7684\u547d\u4ee4\u884c\uff0c\u5982cp\\mv\\ls\\mysql\u5bfc\u5165\u5bfc\u51fa\u7b49\u3002<\/p>\n

\u6d4b\u8bd5\u4f7f\u7528\u4e86N\u4e2a\u5de5\u5177\uff1a\u5305\u62eclshell\u3001rssh\uff1alshell\u65e0\u9650\u865a\u62df\u673a\uff1a\u5e76\u5c06\u7528\u6237\u9650\u5236\u5728\u6307\u5b9a\u7684\u6587\u4ef6\u5939\uff1b\u9650\u5236\u6307\u5b9a\u7684\u547d\u4ee4<\/a><\/p>\n

\u4f46\u5305\u62eclshell\u3001rssh\u5728\u5185\u7684\u7f51\u4e0a\u4f17\u591a\u4e00\u952e\u5305\uff0c\u90fd\u6709\u4e2a\u7f3a\u70b9\uff1a\u6743\u9650\u3001\u9650\u5236\u4e0d\u4e25\u683c\uff0c\u4f8b\u5982\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e9bpromt\u7684\u529e\u6cd5\u5b9e\u73b0 service httpd restart\uff0c \u8fd9\u4e0d\u662f\u6211\u60f3\u8981\u7684\u3002<\/p>\n

\u540e\u6765\u8ba4\u8ba4\u771f\u771f\u60f3\u901a\u4e86\u8fd9\u4e2a\u95ee\u9898:chroot jail \uff0c \u8981100%\u5b8c\u7f8e\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u8981\u641e\u5b9a\u6743\u9650\u3001\u8f6f\u4ef6\u4f9d\u8d56\u3001chroot\u3001selinux\u5b89\u5168\u6027\u6216\u9632\u706b\u5899\uff0c\u800c\u4e14\u5fc5\u987b\u8981\u624b\u52a8\u6572\u4e9b\u4ee3\u7801(\u5e0c\u671b\u6709\u7a7a\u6211\u80fd\u6298\u817e\u4e00\u4e2ash\u6587\u4ef6\u51fa\u6765\uff0c\u514d\u5f97\u9ebb\u70e6)\u3002<\/p>\n

\u57fa\u4e8ecentos 6.5<\/p>\n

1.\u8981\u5b9e\u73b0chroot jail\uff0c\u9996\u5148\u8981\u641e\u660e\u767d\uff0c\u662f\u54ea\u4e2a\u8f6f\u4ef6\u7684chroot jail \uff1a\uff08\u6211\u4e00\u59cb\u9519\u8bef\u5730\u4ee5\u4e3achroot\u53ea\u8981\u8bbe\u7f6e\u4e00\u6b21\u5c31\u884c\u4e86\uff09<\/p>\n

nginx\\apache\\php-fpm\\ssh\u8fd9\u51e0\u4e2a\u90fd\u662f\u7ecf\u5e38\u8981\u7528\u5230chroot jail\u7684\uff0c\u6240\u4ee5\u8981\u5206\u5f00\u8003\u8651\uff0c\u4e00\u6b21chroot\u8bbe\u7f6e\u5e76\u4e0d\u80fd\u8ba9\u4e0a\u9762\u51e0\u4e2a\u8f6f\u4ef6\u540c\u65f6\u5b9e\u73b0chroot jail\u7684\u3002<\/p>\n

\u6240\u4ee5\uff0c\u5bf9\u6211\u76ee\u524d\u7684\u8fd9\u4e2a\u9700\u6c42\uff0c\u5c31\u662f\u8981\u5b9e\u73b0ssh\u7ea7\u522b\u7684chroot jail\u4e86\u3002<\/p>\n

\uff08\u800c\u9488\u5bf9php-fpm\u7684chroot jail\uff0c\u53ef\u4ee5\u53c2\u8003nginx+php-fpm\uff0c\u7ed9php-fpm\u5206\u914d\u72ec\u7acb\u7684\u7528\u6237\u3001\u72ec\u7acb\u8fdb\u7a0b, unix socket\u6a21\u5f0f<\/a>\uff09<\/p>\n

2.ssh\u7684chroot jail\uff0c\u6838\u5fc3\u8981\u914d\u7f6eopenssh \u00a0, \u8bbe\u7f6e\u4e5f\u5f88\u7b80\u5355\uff1a<\/p>\n

vi \/etc\/ssh\/sshd_config<\/p><\/blockquote>\n

\u5728\u6700\u540e\u52a0\u4e0a\u4e0b\u9762\u4e24\u884c\uff08\u521b\u5efa\u7528\u6237useradd\u3001\u6539\u7528\u6237\u5bc6\u7801passwd\u7b49\u8fc7\u7a0b\u7565\u8fc7\uff09<\/p>\n

Match User 5test
\nChrootDirectory \/home\/5test<\/p><\/blockquote>\n

3.\u6743\u9650\u8bbe\u7f6e\uff1aroot\u5fc5\u987b\u4e3a\u6839\u6240\u6709\u8005\uff1a<\/p>\n

\u6309\u7b2c2\u6b65\u505a\u4e86\u540e\u5982\u679c\u76f4\u63a5\u8fd0\u884cssh 5test@localhost\u8fdb\u884c\u6d4b\u8bd5 \u7684\u8bdd\uff0c<\/p>\n

\u5047\u8bbe\u4f60\u7684openssh\u662f\u9ed8\u8ba4\u5b89\u88c5\u7684\uff0c\u6ca1\u6709\u4fee\u6539\u4e0a\u9762\u7684\u7b2c2\u6b65\u5c31\u662fmach\u7684\u8bdd\uff0c\u4f60\u76f4\u63a5\u6d4b\u8bd5ssh 5test@localhost\u662f\u4e00\u70b9\u95ee\u9898\u90fd\u6ca1\u6709\u7684<\/p>\n

\u53cd\u800c\u8bbe\u7f6e\u4e86openssh\u540e\u51fa\u95ee\u9898\u4e86\uff0c\u4f1a\u62a5\u9519Write failed: Broken pipe<\/p>\n

\u539f\u6765openssh\u7684\u5b98\u65b9\u8981\u6c42\/home\/5test\u7684\u6240\u6709\u8005\u4ee5\u53ca\u5176\u6240\u6709\u4e0a\u7ea7\u7684\u6240\u6709\u8005\u5fc5\u987b\u4e3aroot\uff0c\u4f46\u5176\u5185\u7684\u6587\u4ef6\u5939\u5219\u4e0d\u5fc5\u987b\u4e86<\/p>\n

\u6240\u4ee5\u53ef\u4ee5\u6267\u884c\uff1a<\/p>\n

chown root:5test \/home\/5test<\/p><\/blockquote>\n

4.\u8f6f\u4ef6\u4f9d\u8d56\uff1a\u8fd8\u662f\u62a5\u9519\uff1a\/bin\/bash: No such file or directory<\/p>\n

\u65e2\u7136chroot jail\u4e86\uff0c\u4f60\u5fc5\u987b\u8981\u81f3\u5c11\u5c06\/bin\/bash\u590d\u5236\u5230\/home\/test\/bin\/bash\u5427\uff0c\u540c\u65f6\u8981\u89e3\u51b3\u8fd9\u4e2a\u547d\u4ee4\u7684\u4f9d\u8d56\u6027\uff0c\u540c\u7406ls\\rar\\mysql\u7b49\u547d\u4ee4\u4e5f\u4e00\u6837\u89e3\u51b3<\/p>\n

\u4ee5\u89e3\u51b3bash\u4e3a\u4f8b\uff1a<\/p>\n

mkdir -p \/home\/5test\/{dev,etc,lib,usr,bin}<\/p><\/blockquote>\n

ldd\u547d\u4ee4\u8981\u5427\u89e3\u51b3\u8f6f\u4ef6\u7684\u4f9d\u8d56\u6027\uff1aldd \u00a0\/bin\/bash , \u7136\u540e\u770b\u4f9d\u8d56\u4e00\u4e2a\u4e2a\u590d\u5236\u2026\u2026\uff08\u653e\u5fc3\uff0c\u7f51\u4e0a\u6709\u73b0\u6210\u7684\u547d\u4ee4\uff09<\/p>\n

\u6211\u7528\u7684\u662fhttp:\/\/bash.cyberciti.biz\/web-server\/nginx-chroot-helper-bash-shell-script\/ <\/a>\uff08\u4e2a\u4eba\u8ba4\u4e3a\u8fd9\u4e2a\u6700\u597d\u7528\uff09<\/p>\n

\u8fd8\u6709\u540c\u6837\u4f5c\u7528\u7684\u547d\u4ee4\u5982\uff1ahttp:\/\/www.cyberciti.biz\/tips\/howto-setup-lighttpd-php-mysql-chrooted-jail.html\u3001http:\/\/www.fuschlberger.net\/programs\/ssh-scp-sftp-chroot-jail\/<\/p>\n

\u5c06\u547d\u4ee4\u4fdd\u5b58\u4e3acopyShareLibs.sh\u6587\u4ef6\uff08sh\u6587\u4ef6\u7684\u8fd0\u884c\u65b9\u6cd5\\\u6743\u9650\u8bbe\u7f6e\u7565\u8fc7\uff09\uff0c\u5c06\u5176\u4e2d\u7684chroot\u8bbe\u7f6e\u6539\u4e3a\u4f60\u81ea\u5df1\u7684chroot jail path:\u6211\u8fd9\u91cc\u6539\u4e3a\/home\/5test<\/p>\n

\u6ce8\u610f\u4e86\uff1abash\u662f\u5fc5\u987b\u7684\uff0cls\u547d\u4ee4\u6211\u7528\u6765\u6d4b\u8bd5\uff0c\u4f60\u8fd8\u53ef\u4ee5\u52a0wget\\tar\\rar\\dir\\cp\u81ea\u5df1\u8bd5\u8bd5<\/p>\n

.\/copyShareLibs.sh \/bin\/bash
\ncp \/bin\/bash \/home\/5test\/bin\/
\n.\/copyShareLibs.sh \/bin\/ls
\ncp \/bin\/ls \/home\/5test\/bin\/<\/p><\/blockquote>\n

5.\u9a8c\u8bc1ssh 5test@localhost<\/p>\n

\u8fd9\u65f6\u5019\uff0c\u4f60\u5e94\u8be5\u80fd\u4f7f\u7528ls\u547d\u4ee4\uff0c\u5176\u4ed6dir\u4ec0\u4e48\u7684\uff0c\u5982\u679c\u4f60\u6ca1\u590d\u5236\u8fc7\u53bb\uff0c\u662f\u7528\u4e0d\u4e86\u7684<\/p>\n

\u518d\u8bd5\u8bd5 ls \/ \u770b\u770b\u80fd\u4e0d\u80fd\u770b\u5230\u6839\u76ee\u5f55\uff0c\u6211\u6307\u7684\u662froot\u7684\u6839\u76ee\u5f55\uff1a\u5e94\u8be5\u4e0d\u884c\u7684<\/p>\n

\u8fbe\u5230\u8fd9\u4e00\u6b65\uff0c\u5219\u5b8c\u7f8e\u5b9e\u73b0ssh chroot jail\u4e86<\/p>\n

6.selinux\u7b49\u5b89\u5168\u6027\u6216\u9632\u706b\u5899\u95ee\u9898<\/p>\n

selinux\u9ed8\u8ba4\u6253\u5f00\uff0c\u4f1a\u5bfc\u81f4\u4e00\u4e9b\u83ab\u660e\u5176\u5999\u7684\u95ee\u9898\uff0c\u4f8b\u5982openssh\u4f1a\u5728\u767b\u9646\u6210\u529f\u7684\u4e00\u77ac\u95f4\u7acb\u5373\u9000\u51fa\u2026\u2026<\/p>\n

selinux\u7c7b\u4f3cwin\u7684\u5185\u90e8\u9632\u706b\u5899\uff0c\u4f46\u6bd4\u5b83\u66f4\u4e25\u683c\uff0c\u4f1a\u5bfc\u81f4\u5f88\u591a\u7684\u95ee\u9898\uff0c\u5927\u90e8\u5206\u4eba\u5efa\u8bae\u5173\u95ed\u4e4b\uff08\u7565\u8fc7\uff09<\/p>\n

\u6d4b\u8bd5\u8fc7\u7a0b\u4e2d\u53ef\u4ee5setenforce 0 \u76f4\u63a5\u5173\u95edselinux , \u4f46\u8fd9\u53ea\u662f\u4e34\u65f6\u7684\u5173\u95ed\u3002<\/p>\n

\u4fee\u6539\/etc\/selinux\/config\u6587\u4ef6\u4e2d\u7684SELINUX=\u201d” \u4e3a disabled \uff0c\u7136\u540e\u91cd\u542f\u3002
\n\u5982\u679c\u4e0d\u60f3\u91cd\u542f\u7cfb\u7edf\uff0c\u4f7f\u7528\u547d\u4ee4setenforce 0<\/p>\n

7.\u4e3e\u4e00\u53cd\u4e09\uff0c\u56de\u8fc7\u5934\u6765\u770bphp-fpm\u7684chroot<\/a>, \u5982\u679c\u5c06ssh chroot + php-fpm chroot\u7ed3\u5408\uff0c\u5c31\u80fd\u5b8c\u7f8e\u5b9e\u73b0ssh virtual machine\u4e86\u3002<\/p>\n

\u540e\u6765\u6211\u518d\u60f3\u60f3\uff0c\u5370\u8c61\u4e2dapache\u548cnginx\u4e5f\u652f\u6301chroot\uff0c\u4e0d\u8fc7\u6ca1\u6298\u817e\u4e86\uff0cGOOGLE\u4e0a\u7684\u786e\u6709\u4eba\u8fd9\u4e48\u5e72\uff0c\u4e0d\u8fc7\u6211\u76ee\u7684\u5df2\u7ecf\u8fbe\u5230\u3002<\/p>\n

8.\u4e0b\u4e00\u6b65\uff1a\u6211\u60f3\u5199\u4e2a\u5b8c\u5584\u7684bash script (sh\u6587\u4ef6)\u51fa\u6765\uff0c\u8fd9\u6837\u5c31\u4e0d\u7528\u6b21\u6b21\u90fd\u8fd9\u4e48\u6298\u817e\u4e86\uff0c\u867d\u7136\u6211\u731c\u7f51\u4e0a\u4e00\u5b9a\u6709\u4eba\u5df2\u7ecf\u8fd9\u4e48\u505a\u4e86\uff0c\u4f46GOOGLE\u534a\u5929\u6ca1\u53d1\u73b0\u3002\u8fd9\u4e48\u505a\u6709\u4ec0\u4e48\u7528\uff1f\u5927\u6709\u53ef\u4e3a\uff01<\/p>\n

9.\u5728chroot\u73af\u5883\u4e0b\u4f7f\u7528mysql:\u00a0openssh chroot mysql socket problem solved\uff0clink<\/a><\/p>\n

10.\u5728\u5df2\u7ecfchroot\u7684ssh\u4e2d\u518d\u4f7f\u7528sftp\u548cssh\u547d\u4ee4\uff0c\u5373\u7528\u4e8e\u8df3\u8f6c<\/a><\/p>\n

\u8f6c\u81ea: http:\/\/www.trackself.com\/archives\/2472.html<\/p>\n","protected":false},"excerpt":{"rendered":"

\u8fd9\u51e0\u5929\u6298\u817echroot\uff0c\u76ee\u7684\u60f3\u5b9e\u73b0\u7528\u62375test\u53ea\u80fd\u8bbf\u95ee\u5b83\u81ea\u5df1\u7684\u76ee\u5f55\/home\/5test\uff0c\u5e76\u4e14\u80fd\u5b9e\u73b0\u6709\u9650\u7684\u547d […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[],"_links":{"self":[{"href":"https:\/\/www.sangqiao.com\/blog\/wp-json\/wp\/v2\/posts\/132"}],"collection":[{"href":"https:\/\/www.sangqiao.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sangqiao.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sangqiao.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sangqiao.com\/blog\/wp-json\/wp\/v2\/comments?post=132"}],"version-history":[{"count":1,"href":"https:\/\/www.sangqiao.com\/blog\/wp-json\/wp\/v2\/posts\/132\/revisions"}],"predecessor-version":[{"id":133,"href":"https:\/\/www.sangqiao.com\/blog\/wp-json\/wp\/v2\/posts\/132\/revisions\/133"}],"wp:attachment":[{"href":"https:\/\/www.sangqiao.com\/blog\/wp-json\/wp\/v2\/media?parent=132"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sangqiao.com\/blog\/wp-json\/wp\/v2\/categories?post=132"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sangqiao.com\/blog\/wp-json\/wp\/v2\/tags?post=132"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}