{"id":587,"date":"2022-09-30T10:46:50","date_gmt":"2022-09-30T02:46:50","guid":{"rendered":"http:\/\/blog.nonot.cn\/?p=587"},"modified":"2024-07-08T12:46:40","modified_gmt":"2024-07-08T04:46:40","slug":"%e5%8a%a0%e5%9b%ba%e7%b3%bb%e7%bb%9f%e5%ae%89%e5%85%a8%ef%bc%8c%e9%98%b2%e8%8c%83ssh%e6%9a%b4%e5%8a%9b%e7%a0%b4%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/blog.nonot.cn\/index.php\/2022\/09\/30\/%e5%8a%a0%e5%9b%ba%e7%b3%bb%e7%bb%9f%e5%ae%89%e5%85%a8%ef%bc%8c%e9%98%b2%e8%8c%83ssh%e6%9a%b4%e5%8a%9b%e7%a0%b4%e8%a7%a3\/","title":{"rendered":"\u52a0\u56fa\u7cfb\u7edf\u5b89\u5168\uff0c\u9632\u8303ssh\u66b4\u529b\u7834\u89e3"},"content":{"rendered":"

\u8fd1\u671f\u53d1\u73b0\u591a\u8d77\u9488\u5bf9Linux\u670d\u52a1\u5668\u7684ssh\u66b4\u529b\u7834\u89e3\u884c\u4e3a\uff0c\u8bf7\u4f7f\u7528\u7684\u670d\u52a1\u5668ssh\u5b89\u5168\u6027\u914d\u7f6e\uff0c\u9632\u60a3\u4e8e\u672a\u7136\u3002<\/p>\n

1.\u670d\u52a1\u5668ssh\u5b89\u5168\u81ea\u67e5\uff1a<\/p>\n

\u6b65\u9aa41. \u68c0\u67e5\u670d\u52a1\u5668\u5bc6\u7801\u5f3a\u5ea6<\/p>\n

\u8bf7\u4e0d\u8981\u4f7f\u7528\u7b80\u5355\u7684\u5b57\u6bcd\u6570\u5b57\u7ec4\u5408\u4f5c\u4e3a\u5bc6\u7801\uff0c\u5bc6\u7801\u5e94\u5305\u542b\u5927\u5c0f\u5199\u5b57\u6bcd\u3001\u6570\u5b57\u3001\u7279\u6b8a\u7b26\u53f7\u7684\u7ec4\u5408\u3002<\/p>\n

\u6b65\u9aa42. \u68c0\u67e5\u670d\u52a1\u5668\u514d\u5bc6\u767b\u5f55\u7528\u6237<\/p>\n

\u68c0\u67e5root\u7528\u6237\u53casudo\u6743\u9650\u7528\u6237\u7684authorized_keys\u6587\u4ef6\u4e2d\u662f\u5426\u88ab\u5199\u5165\u653b\u51fb\u8005\u7684\u5bc6\u94a5\u3002\u53ef\u901a\u8fc7\u4ee5\u4e0b\u6307\u4ee4\u8f93\u51fa\u786e\u8ba4:<\/p>\n

root\u7528\u6237\uff1a cat \/root\/.ssh\/authorized_keys<\/p>\n

\u5176\u4ed6\u7528\u6237\uff1a cat ~\/.ssh\/authorized_keys<\/p>\n

\u68c0\u67e5\u8f93\u51fa\u7684\u516c\u94a5\u662f\u5426\u4e3a\u7528\u6237\u81ea\u5df1\u7684\u516c\u94a5\uff0c\u5982\u9047\u5230\u672a\u77e5\u516c\u94a5\u7684\u8bb0\u5f55\u8bf7\u52a1\u5fc5\u5220\u9664\u3002\u653b\u51fb\u8005\u4e00\u822c\u662f\u901a\u8fc7\u9ad8\u6743\u9650\u7528\u6237\u7684\u5f31\u53e3\u4ee4\u6f0f\u6d1e\u5165\u4fb5\u7cfb\u7edf\uff0c\u4e4b\u540e\u5c06\u81ea\u5df1\u7684\u516c\u94a5\u5199\u5165authorized_keys\u4e2d\uff0c\u8fd9\u6837\u5373\u4f7f\u7528\u6237\u66f4\u6362\u8fc7\u5bc6\u7801\u653b\u51fb\u8005\u4e5f\u53ef\u4ee5\u7ee7\u7eed\u514d\u5bc6\u8fdc\u7a0b\u767b\u5f55\u7cfb\u7edf\uff0c\u56e0\u6b64\u52a1\u5fc5\u786e\u4fdd\u670d\u52a1\u5668\u4e2d\u53ef\u4fe1\u7684\u516c\u94a5\u90fd\u662f\u7528\u6237\u5df2\u77e5\u7684\u3002<\/p>\n

\u6b65\u9aa43. \u68c0\u67e5ssh\u670d\u52a1\u914d\u7f6e<\/p>\n

\u68c0\u67e5ssh\u670d\u52a1\u914d\u7f6e\u662f\u5426\u5b89\u5168\uff0c\u662f\u5426\u5b58\u5728\u7a7a\u5bc6\u7801\u3001\u662f\u5426\u5141\u8bb8root\u7528\u6237\u8fdc\u7a0b\u767b\u5f55\u7b49\uff0c\u8bf7\u53c2\u8003\u4e0b\u8282\u4e2dssh\u7684\u5b89\u5168\u914d\u7f6e\u3002<\/p>\n

2.ssh\u670d\u52a1\u914d\u7f6e\u5b89\u5168\u52a0\u56fa\uff1a<\/p>\n

\u521d\u7ea7\u52a0\u56fa<\/p>\n

ssh\u670d\u52a1\u7aef\u7684\u9ed8\u8ba4\u914d\u7f6e\u8def\u5f84\u4e3a: \/etc\/ssh\/sshd_config\uff0c\u901a\u8fc7\u7f16\u8f91\u5668\u6253\u5f00\u627e\u5230\u5982\u4e0b\u51e0\u4e2a\u9009\u9879\u8fdb\u884c\u8bbe\u7f6e\u3002<\/p>\n

PermitEmptyPasswords no #\u7981\u6b62\u4f7f\u7528\u7a7a\u5bc6\u7801<\/p>\n

PermitRootLogin no #\u7981\u6b62root\u7528\u6237\u8fdc\u7a0b\u767b\u5f55<\/p>\n

Port 22 #\u5c06\u9ed8\u8ba4\u768422\u7aef\u53e3\u6539\u4e3a\u5176\u4ed6\u975e\u5e38\u89c4\u7aef\u53e3, \u59828022\/2468\u7b49<\/p>\n

\u8bbe\u7f6e\u5b8c\u6210\u540e\u4fdd\u5b58\uff0c\u5e76\u91cd\u542fsshd\u670d\u52a1\uff1a<\/p>\n

sudo service sshd restart<\/p>\n

\u8fd9\u6837ssh\u7684\u5b89\u5168\u6027\u5df2\u7ecf\u5f97\u5230\u4e86\u4e00\u5b9a\u7a0b\u5ea6\u7684\u63d0\u5347\uff0c\u7528\u6237\u8fd8\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6e\u5bc6\u94a5\u767b\u5f55\u3001\u7981\u7528\u5bc6\u7801\u767b\u5f55\u7b49\u4f7f\u5f97\u5b89\u5168\u6027\u8fdb\u4e00\u6b65\u63d0\u9ad8\u3002<\/p>\n

\u4e2d\u7ea7\u52a0\u56fa<\/p>\n

\u9996\u5148\u4ecb\u7ecd\u5982\u4f55\u914d\u7f6e\u901a\u8fc7\u5bc6\u94a5\u767b\u5f55\uff0c\u63a5\u4e0b\u6765\u4ee5Linux\/Mac\/WLS\u7cfb\u7edf\u4e3a\u4f8b\uff0cWindows\u7528\u6237\u53ef\u4ee5\u4f7f\u7528MobaXterm\u7684local terminal\u5b9e\u73b0\u548cLinux\u4e00\u6837\u7684\u64cd\u4f5c\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528PuTTY\u7b49\u5de5\u5177\u56fe\u5f62\u5316\u914d\u7f6e\u5bc6\u94a5\u767b\u5f55\uff0c\u8be6\u89c1\u6587\u7ae0\u672b\u5c3e\u7684\u53c2\u8003\u94fe\u63a5\u3002<\/p>\n

\u6b65\u9aa41. \u751f\u6210\u672c\u5730\u5bc6\u94a5<\/p>\n

Linux\/Mac\/WLS\u7528\u6237\u53ef\u4ee5\u5728\u547d\u4ee4\u884c\u4e0b\u901a\u8fc7 ssh-keygen \u6307\u4ee4\u76f4\u63a5\u751f\u6210\u3002 \u751f\u6210\u7684\u5bc6\u94a5\u4fdd\u5b58\u5728\u547d\u4ee4\u884c\u63d0\u9192\u7684\u4f4d\u7f6e\uff0c\u5176\u4e2did_rsa\u4e3a\u79c1\u94a5\uff0c\u4e0d\u53ef\u8f7b\u6613\u5206\u4eab\uff0cid_rsa.pub\u4e3a\u516c\u94a5\u3002<\/p>\n

\u6b65\u9aa42. \u5c06\u516c\u94a5\u590d\u5236\u5230\u9700\u514d\u5bc6\u767b\u5f55\u7684\u670d\u52a1\u5668<\/p>\n

Linux\/Mac\/WLS\u7528\u6237\u53ef\u4ee5\u5728\u547d\u4ee4\u884c\u4e0b\u6267\u884c\u5c06\u516c\u94a5\u590d\u5236\u5230\u670d\u52a1\u5668\uff1a<\/p>\n

ssh-copy-id username@remote_host -p 22<\/p>\n

\u6ce8\u610f\uff0c\u5982\u679c\u4fee\u6539\u8fc7ssh\u9ed8\u8ba4\u7aef\u53e3\uff0c\u5219\u5c0622\u66f4\u6362\u4e3a\u65b0\u7684\u7aef\u53e3\u5373\u53ef\u3002\u6839\u636e\u63d0\u793a\u8f93\u5165\u7528\u6237\u5bc6\u7801\u5373\u53ef\u5f00\u59cb\u590d\u5236\uff0c\u5b8c\u6210\u540e\u4f1a\u63d0\u793a\u201cNumber of key(s) added: 1\u201d\uff0c\u8fd9\u6837\u514d\u5bc6\u767b\u5f55\u5c31\u914d\u7f6e\u597d\u4e86\u3002<\/p>\n

\u6b65\u9aa43. \u786e\u8ba4\u5bc6\u94a5\u767b\u5f55\u914d\u7f6e\u6210\u529f<\/p>\n

\u9000\u51fa\u670d\u52a1\u5668\uff0c\u91cd\u65b0\u901a\u8fc7ssh\u547d\u4ee4\u8fde\u63a5\uff1a<\/p>\n

ssh username@remote_host -p 22<\/p>\n

\u5982\u679c\u514d\u5bc6\u76f4\u63a5\u767b\u5165\u670d\u52a1\u5668\uff0c\u5373\u8bf4\u660e\u5bc6\u94a5\u767b\u5f55\u914d\u7f6e\u6210\u529f\u3002<\/p>\n

\u6b65\u9aa44. \u914d\u7f6e\u5bc6\u94a5\u767b\u5f55\uff0c\u5e76\u7981\u7528\u5bc6\u7801\u767b\u5f55<\/p>\n

\u6ce8\u610f\uff1a \u8bf7\u52a1\u5fc5\u786e\u8ba4\u5bc6\u94a5\u767b\u5f55\u914d\u7f6e\u6210\u529f\u540e\u518d\u6267\u884c\u8be5\u6b65\u9aa4\uff0c\u5426\u5219\u914d\u7f6e\u5b8c\u6210\u540e\u5c06\u65e0\u6cd5\u901a\u8fc7\u5bc6\u7801\u8fdc\u7a0b\u767b\u5f55\u670d\u52a1\u5668\u3002<\/p>\n

\u8fdb\u4e00\u6b65\u4fee\u6539\/etc\/ssh\/sshd_config\uff0c\u627e\u5230\u5982\u4e0b\u53c2\u6570\u5e76\u914d\u7f6e\uff1a<\/p>\n

PubkeyAuthentication yes # \u5141\u8bb8\u901a\u8fc7\u5bc6\u94a5\u8fdb\u884c\u767b\u5f55\u9a8c\u8bc1<\/p>\n

PasswordAuthentication no # \u7981\u6b62\u901a\u8fc7\u5bc6\u7801\u8fdb\u884c\u767b\u5f55\u9a8c\u8bc1<\/p>\n

ChallengeResponseAuthentication no # \u5173\u95ed\u95ee\u7b54\u5bc6\u7801\u673a\u5236<\/p>\n

\u6b65\u9aa45. \u91cd\u542fsshd\u670d\u52a1<\/p>\n

sudo service sshd restart<\/p>\n

\u914d\u7f6e\u5b8c\u6210\u540e\uff0cssh\u7684\u5b89\u5168\u6027\u5df2\u7ecf\u5f97\u5230\u4e86\u5f88\u5927\u7684\u63d0\u5347\uff0c\u4e00\u822c\u7684\u653b\u51fb\u8005\u5df2\u7ecf\u5f88\u96be\u901a\u8fc7ssh\u5165\u4fb5\u670d\u52a1\u5668\u4e86\u3002\u4f46\u653b\u51fb\u8005\u8fd8\u53ef\u80fd\u4f1a\u5bf9\u670d\u52a1\u5668\u8fdb\u884c\u6301\u7eed\u7684ssh\u767b\u5f55\u5c1d\u8bd5\u626b\u63cf\uff0c\u5728\u7cfb\u7edf\u7684\u9519\u8bef\u767b\u5f55\u4fe1\u606f\u65e5\u5fd7\u4e2d\u7559\u4e0b\u5f88\u591a\u8bb0\u5f55\uff0c\u4e3a\u4e86\u8fc7\u6ee4\u6389\u8fd9\u4e9b\u6076\u610f\u626b\u63cf\uff0c\u53ef\u4ee5\u7ed3\u5408fail2ban + iptables \u8fdb\u4e00\u6b65\u52a0\u56fa\u3002<\/p>\n

\u9ad8\u7ea7\u52a0\u56fa<\/p>\n

fail2ban\u662f\u4e00\u6b3e\u5165\u4fb5\u9632\u5fa1\u8f6f\u4ef6\uff0c\u80fd\u591f\u8fd0\u884c\u5728\u5927\u591a\u6570Linux\u670d\u52a1\u5668\u4e0a\uff0c\u4fdd\u62a4\u8ba1\u7b97\u673a\u670d\u52a1\u5668\u514d\u53d7\u66b4\u529b\u7834\u89e3\u7684\u653b\u51fb\uff0c\u8be6\u60c5\u8bf7\u53c2\u8003\u300afail2ban\u5b89\u88c5\u300b<\/a><\/p>\n

3.\u76f8\u5173\u8d44\u6599:<\/p>\n

ssh\u52a0\u56fa1\uff1ahttps:\/\/www.cnblogs.com\/lsgxeva\/p\/11424736.html<\/a><\/p>\n

ssh\u52a0\u56fa2\uff1ahttps:\/\/www.jianshu.com\/p\/10a2e85ea69f<\/a><\/p>\n

ssh\u514d\u5bc6\u767b\u5f55\u914d\u7f6e\uff1ahttps:\/\/www.digitalocean.com\/community\/tutorials\/how-to-set-up-ssh-keys-on-ubuntu-20-04<\/a><\/p>\n

Windows putty\u514d\u5bc6\u767b\u5f55:\u00a0https:\/\/blog.csdn.net\/weiyang_tang\/article\/details\/96987068<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\u8fd1\u671f\u53d1\u73b0\u591a\u8d77\u9488\u5bf9Linux\u670d\u52a1\u5668\u7684ssh\u66b4\u529b\u7834\u89e3\u884c\u4e3a\uff0c\u8bf7\u4f7f\u7528…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-587","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/posts\/587","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/comments?post=587"}],"version-history":[{"count":1,"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/posts\/587\/revisions"}],"predecessor-version":[{"id":1185,"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/posts\/587\/revisions\/1185"}],"wp:attachment":[{"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/media?parent=587"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/categories?post=587"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/tags?post=587"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}