{"id":3295,"date":"2018-03-31T13:02:33","date_gmt":"2018-03-31T05:02:33","guid":{"rendered":"http:\/\/cn.hostease.com\/xueyuan\/?p=3295"},"modified":"2018-03-31T13:02:33","modified_gmt":"2018-03-31T05:02:33","slug":"%e6%9b%b4%e6%94%b9ssh%e6%9c%8d%e5%8a%a1%e5%99%a8%e8%bf%9c%e7%a8%8b%e7%99%bb%e5%bd%95%e8%ae%be%e7%bd%ae","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/xueyuan\/jishu\/linux\/%e6%9b%b4%e6%94%b9ssh%e6%9c%8d%e5%8a%a1%e5%99%a8%e8%bf%9c%e7%a8%8b%e7%99%bb%e5%bd%95%e8%ae%be%e7%bd%ae\/","title":{"rendered":"\u66f4\u6539SSH\u670d\u52a1\u5668\u8fdc\u7a0b\u767b\u5f55\u8bbe\u7f6e"},"content":{"rendered":"

Linux\u7684\u7ba1\u7406\u7528\u6237\u662froot\uff0c\u8fdc\u7a0b\u8fde\u63a5\u7684\u9ed8\u8ba4\u7aef\u53e3\u662f22\uff0c\u8fd9\u662f\u901a\u5e38\u6709IT\u7ecf\u9a8c\u7684\u4eba\u90fd\u77e5\u9053\u7684\u3002\u4e3a\u4e86\u7cfb\u7edf\u5b89\u5168\uff0c\u6211\u4eec\u901a\u5e38\u90fd\u4f1a\u4fee\u6539\u8fd9\u4e9b\u9ed8\u8ba4\u7684\u8bbe\u7f6e\uff0c\u4e0b\u9762\u5c31\u8bf4\u4e0b\u600e\u4e48\u4fee\u6539ssh\u7684\u914d\u7f6e\u3002\u5b9e\u9a8c\u7528\u7684\u7cfb\u7edf\u4e3aCentOS6.9\uff0c\u5176\u4ed6\u7684Linux\u4e5f\u53ef\u4ee5\u53c2\u8003\u3002<\/p>\n

1\u3001\u4fee\u6539ssh\u8fde\u63a5\u7684\u7aef\u53e3<\/p>\n

ssh\u7684\u7aef\u53e3\u9ed8\u8ba4\u4e3a22\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539\u914d\u7f6e\u6587\u4ef6\u6539\u4e3a\u4e00\u4e2a\u975e\u8457\u540d\u7684\u7aef\u53e3\uff0c\u6bd4\u59822222.<\/p>\n

vim \/etc\/ssh\/sshd_config<\/p>\n

\u7528vim\u7f16\u8f91\u5668\u6253\u5f00sshd_config\uff0c\u628a22\u7aef\u53e3\u6539\u4e3a2222\uff0c\u7136\u540e\u4fdd\u5b58\u9000\u51fa\u3002<\/p>\n

\"\"\"\"<\/p>\n

\u6ce8\u610f\uff1a\u914d\u7f6e\u6587\u4ef6\u751f\u6548\u4e4b\u524d\uff0c\u6211\u4eec\u8981\u5728\u9632\u706b\u5899\u653e\u884c2222\u7aef\u53e3\uff0c\u8bbe\u7f6eiptables\u3002<\/p>\n

iptables -I INPUT -p tcp -m tcp –dport 2222 -j ACCEPT\u00a0 \u00a0 #\u653e\u884c2222\u7aef\u53e3
\n\/etc\/init.d\/iptables save\u00a0 \u00a0 #\u4fdd\u5b58iptables\u914d\u7f6e
\n\/etc\/init.d\/iptables restart\u00a0 \u00a0 #\u91cd\u542fiptables\u670d\u52a1<\/p>\n

\u91cd\u8f7dssh\u914d\u7f6e\u6587\u4ef6\uff0c\u4e0d\u5efa\u8bae\u7528restart\u6765\u91cd\u542fssh\u670d\u52a1\uff0c\u8fd9\u6837\u4f1a\u5f71\u54cd\u5230\u73b0\u6709\u7684ssh\u8fde\u63a5\u3002<\/p>\n

\/etc\/init.d\/sshd reload<\/p>\n

\u7136\u540e\u7528XShell\u91cd\u65b0\u8fde\u63a5\u770b\u770b\uff0c\u8fde\u63a5\u6210\u529f\u3002<\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

2\u3001\u7981\u6b62root\u7528\u6237\u76f4\u63a5ssh\u8fde\u63a5<\/p>\n

root\u8fd9\u4e2a\u5e10\u53f7\u662f\u6240\u6709\u4eba\u90fd\u77e5\u9053\u5e76\u4e14\u62e5\u6709\u6700\u9ad8\u6743\u9650\u7684\u5e10\u53f7\uff0c\u76f4\u63a5\u66b4\u9732\u5728\u7f51\u7edc\u4e2d\u4e0d\u5927\u5b89\u5168\uff0c\u6211\u4eec\u53ef\u4ee5\u7981\u6b62ssh\u4f7f\u7528root\u8fde\u63a5\uff0c\u540c\u6837\u53ea\u9700\u8981\u4fee\u6539ssh\u7684\u914d\u7f6e\u6587\u4ef6\u5373\u53ef\u3002\u5728\u8fd9\u91cc\u8981\u786e\u8ba4\u81ea\u5df1\u7684\u7cfb\u7edf\u6709\u4e00\u4e2a\u53ef\u4ee5\u767b\u5f55\u7684\u666e\u901a\u5e10\u53f7\uff0c\u7528\u8be5\u5e10\u53f7\u767b\u5f55\u4e4b\u540e\u518dsu -\u5207\u6362\u5230root\uff0c\u6216\u8005\u5c06\u8be5\u5e10\u53f7\u52a0\u5165sudoers\u91cc\u9762\u3002<\/p>\n

\u7528vim\u7f16\u8f91\u5668\u6253\u5f00ssh\u7684\u914d\u7f6e\u6587\u4ef6\uff0c\u627e\u5230PermitRootLogin\u90a3\u884c\uff0c\u53bb\u6389\u6ce8\u91ca\uff0c\u53c2\u6570\u6539\u4e3ano\uff0c\u6216\u8005\u76f4\u63a5\u5728\u6700\u540e\u51e0\u884c\u52a0\u5165\u4e0b\u9762\u7684\u51e0\u6761\u53c2\u6570\u3002\uff08\u8fd9\u51e0\u4e2a\u547d\u4ee4\u90fd\u53ef\u4ee5\u5728\u914d\u7f6e\u6587\u4ef6\u627e\u5230\u7684\uff09<\/p>\n

PermitRootLogin no\u00a0 \u00a0 \u00a0 \u00a0 #\u662f\u5426\u5141\u8bb8root\u767b\u5f55
\nPermitEmptyPasswords no\u00a0 \u00a0 \u00a0 \u00a0 #\u662f\u5426\u5141\u8bb8\u7a7a\u5bc6\u7801\u767b\u5f55
\nUseDNS yes\u00a0 \u00a0 \u00a0 \u00a0 #\u662f\u5426\u5bf9\u8fdc\u7a0b\u4e3b\u673a\u540d\u8fdb\u884c\u53cd\u5411\u89e3\u6790\uff0c\u5173\u95ed\u4f1a\u63d0\u9ad8\u8fde\u63a5\u7684\u901f\u5ea6
\nGSSAPIAuthentication no\u00a0 \u00a0 \u00a0 \u00a0 #\u89e3\u51b3Linux\u4e4b\u95f4\u4f7f\u7528ssh\u8fde\u63a5\u6162\u7684\u95ee\u9898<\/p>\n

\u4fee\u6539\u4e4b\u540e\uff0c\u4fdd\u5b58\u9000\u51fa\uff0c\u7136\u540e\u91cd\u65b0\u52a0\u8f7dssh\u6587\u4ef6\u5373\u53ef\u3002<\/p>\n

3\u3001\u5176\u4ed6<\/p>\n

\u5982\u679c\u5bf9\u5b89\u5168\u6709\u66f4\u9ad8\u7684\u8981\u6c42\uff0c\u53ef\u4ee5\u66f4\u9ad8ssh\u7684\u76d1\u542cip\uff0c\u4f7f\u5176\u53ea\u76d1\u542c\u5185\u7f51\u7684ip\u3002\u53ef\u4ee5\u901a\u8fc7\u9632\u706b\u5899\u6765\u9650\u5236\u6765\u6e90\u7684IP\u5730\u5740<\/p>\n

iptables -I INPUT -s 192.168.17.0\/24 -p tcp –dport 2222 -j ACCEPT
\n\/etc\/init.d\/iptables save
\n\/etc\/init.d\/iptables restart<\/p>\n","protected":false},"excerpt":{"rendered":"

Linux\u7684\u7ba1\u7406\u7528\u6237\u662froot\uff0c\u8fdc\u7a0b\u8fde\u63a5\u7684\u9ed8\u8ba4\u7aef\u53e3\u662f22\uff0c\u8fd9\u662f\u901a\u5e38\u6709IT\u7ecf\u9a8c\u7684\u4eba\u90fd\u77e5\u9053\u7684\u3002\u4e3a\u4e86\u7cfb\u7edf\u5b89\u5168\uff0c\u6211\u4eec\u901a … \u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[49],"tags":[75],"class_list":["post-3295","post","type-post","status-publish","format-standard","hentry","category-linux","tag-ssh"],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/3295","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/comments?post=3295"}],"version-history":[{"count":1,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/3295\/revisions"}],"predecessor-version":[{"id":3296,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/3295\/revisions\/3296"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/media?parent=3295"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/categories?post=3295"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/tags?post=3295"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}