{"id":1129,"date":"2022-10-16T14:58:21","date_gmt":"2022-10-16T06:58:21","guid":{"rendered":"https:\/\/benson.ml\/?p=1129"},"modified":"2022-10-16T15:14:16","modified_gmt":"2022-10-16T07:14:16","slug":"ssh-%e5%91%bd%e4%bb%a4%e7%9a%8411%e7%a7%8d%e7%94%a8%e6%b3%95","status":"publish","type":"post","link":"https:\/\/benson80.eu.org\/?p=1129","title":{"rendered":"SSH \u547d\u4ee4\u768411\u79cd\u7528\u6cd5"},"content":{"rendered":"\n

Linux\u7cfb\u7edf\u7684\u8fdc\u7a0b\u7ba1\u7406\u5de5\u5177\u5927\u6982\u6709\u51e0\u79cd\uff1atelnet\uff0cssh\uff0cvnc\u7b49\uff0c\u5176\u4e2dssh\u662f\u6700\u5e38\u7528\u7684\u7ba1\u7406\u65b9\u6cd5\uff0c\u91c7\u7528\u5bc6\u6587\u7684\u4f20\u8f93\u65b9\u5f0f\uff0c\u7b80\u5355\u5b89\u5168\u3002\u672c\u6587\u4ecb\u7ecd\u5c31\u4ecb\u7ecd\u4e0bssh\u768411\u79cd\u7528\u6cd5\uff1a<\/p>\n\n\n\n

1. \u4f7f\u7528ssh\u8fde\u63a5\u8fdc\u7a0b\u4e3b\u673a<\/h2>\n\n\n\n

\u6700\u7b80\u5355\u7684\u7528\u6cd5\u53ea\u9700\u8981\u6307\u5b9a\u7528\u6237\u540d\u548c\u4e3b\u673a\u540d\u53c2\u6570\u5373\u53ef\uff0c\u4e3b\u673a\u540d\u53ef\u4ee5\u662f IP \u5730\u5740\u6216\u8005\u57df\u540d\u3002<\/p>\n\n\n\n

$ ssh user@hostname<\/p>\n\n\n\n

2. ssh\u8fde\u63a5\u5230\u5176\u4ed6\u7aef\u53e3<\/h2>\n\n\n\n

SSH \u9ed8\u8ba4\u8fde\u63a5\u5230\u76ee\u6807\u4e3b\u673a\u7684 22 \u7aef\u53e3\u4e0a\uff0c\u53ef\u4ee5\u4f7f\u7528-p\u9009\u9879\u6307\u5b9a\u7aef\u53e3\u53f7<\/p>\n\n\n\n

$ ssh -p 10022 user@hostname<\/p>\n\n\n\n

3. \u4f7f\u7528ssh\u5728\u8fdc\u7a0b\u4e3b\u673a\u6267\u884c\u4e00\u6761\u547d\u4ee4\u5e76\u663e\u793a\u5230\u672c\u5730, \u7136\u540e\u7ee7\u7eed\u672c\u5730\u5de5\u4f5c<\/h2>\n\n\n\n

\u76f4\u63a5\u8fde\u63a5\u5e76\u5728\u540e\u9762\u52a0\u4e0a\u8981\u6267\u884c\u7684\u547d\u4ee4\u5c31\u53ef\u4ee5\u4e86
$ ssh pi@10.42.0.47 ls -l<\/p>\n\n\n\n

4. \u5728\u8fdc\u7a0b\u4e3b\u673a\u8fd0\u884c\u4e00\u4e2a\u56fe\u5f62\u754c\u9762\u7684\u7a0b\u5e8f<\/h2>\n\n\n\n

\u4f7f\u7528ssh\u7684-X\u9009\u9879\uff0c\u7136\u540e\u4e3b\u673a\u5c31\u4f1a\u5f00\u542f X11 \u8f6c\u53d1\u529f\u80fd
$ ssh -X feiyu@222.24.51.147<\/p>\n\n\n\n

5. \u5982\u4f55\u914d\u7f6e SSH<\/h2>\n\n\n\n

SSH \u7684\u914d\u7f6e\u6587\u4ef6\u5728 \/etc\/ssh\/sshd_config \u4e2d\uff0c\u4f60\u53ef\u4ee5\u770b\u5230\u7aef\u53e3\u53f7, \u7a7a\u95f2\u8d85\u65f6\u65f6\u95f4\u7b49\u914d\u7f6e\u9879\u3002<\/p>\n\n\n\n

6. \u6784\u5efa ssh \u5bc6\u94a5\u5bf9<\/h2>\n\n\n\n

\u4f7f\u7528 ssh-keygen -t +\u7b97\u6cd5 \uff0c\u73b0\u5728\u5927\u591a\u6570\u90fd\u4f7f\u7528rsa\u6216\u8005dsa\u7b97\u6cd5\u3002
$ ssh-keygen -t rsa<\/p>\n\n\n\n

7. \u67e5\u770b\u662f\u5426\u5df2\u7ecf\u6dfb\u52a0\u4e86\u5bf9\u5e94\u4e3b\u673a\u7684\u5bc6\u94a5<\/h2>\n\n\n\n

\u4f7f\u7528-F\u9009\u9879
$ ssh-keygen -F 222.24.51.147<\/p>\n\n\n\n

8. \u5220\u9664\u4e3b\u673a\u5bc6\u94a5<\/h2>\n\n\n\n

\u4f7f\u7528-R\u9009\u9879\uff0c\u4e5f\u53ef\u4ee5\u5728~\/.ssh\/known_hosts\u6587\u4ef6\u4e2d\u624b\u52a8\u5220\u9664
$ ssh-keygen -R 222.24.51.147<\/p>\n\n\n\n

9. \u7ed1\u5b9a\u6e90\u5730\u5740<\/h2>\n\n\n\n

\u5982\u679c\u4f60\u7684\u5ba2\u6237\u7aef\u6709\u591a\u4e8e\u4e24\u4e2a\u4ee5\u4e0a\u7684 IP \u5730\u5740\uff0c\u4f60\u5c31\u4e0d\u53ef\u80fd\u5206\u5f97\u6e05\u695a\u5728\u4f7f\u7528\u54ea\u4e00\u4e2a IP \u8fde\u63a5\u5230 SSH \u670d\u52a1\u5668\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u79cd\u60c5\u51b5\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 -b \u9009\u9879\u6765\u6307\u5b9a\u4e00\u4e2aIP \u5730\u5740\u3002\u8fd9\u4e2a IP \u5c06\u4f1a\u88ab\u4f7f\u7528\u505a\u5efa\u7acb\u8fde\u63a5\u7684\u6e90\u5730\u5740\u3002
$ ssh -b 192.168.0.200 root@192.168.0.103<\/p>\n\n\n\n

10. \u5bf9\u6240\u6709\u6570\u636e\u8bf7\u6c42\u538b\u7f29<\/h2>\n\n\n\n

\u4f7f\u7528 -C \u9009\u9879\uff0c\u6240\u6709\u901a\u8fc7 SSH \u53d1\u9001\u6216\u63a5\u6536\u7684\u6570\u636e\u5c06\u4f1a\u88ab\u538b\u7f29\uff0c\u5e76\u4e14\u4efb\u7136\u662f\u52a0\u5bc6\u7684\u3002
$ ssh -C root@192.168.0.103<\/p>\n\n\n\n

11. \u6253\u5f00\u8c03\u8bd5\u6a21\u5f0f<\/h2>\n\n\n\n

\u56e0\u4e3a\u67d0\u4e9b\u539f\u56e0\uff0c\u6211\u4eec\u60f3\u8981\u8ffd\u8e2a\u8c03\u8bd5\u6211\u4eec\u5efa\u7acb\u7684 SSH \u8fde\u63a5\u60c5\u51b5\u3002SSH \u63d0\u4f9b\u7684 -v \u9009\u9879\u53c2\u6570\u6b63\u662f\u4e3a\u6b64\u800c\u8bbe\u7684\u3002\u5176\u53ef\u4ee5\u770b\u5230\u5728\u54ea\u4e2a\u73af\u8282\u51fa\u4e86\u95ee\u9898\u3002
$ ssh -v root@192.168.0.103<\/p>\n\n\n\n

\u9644:”\/etc\/ssh\/sshd_config\u914d\u7f6e\u6587\u4ef6\u8be6\u7ec6\u8bf4\u660e”<\/h2>\n\n\n\n

Port 2
\u201cPort\u201d\u8bbe\u7f6esshd\u76d1\u542c\u7684\u7aef\u53e3\u53f7\u3002<\/p>\n\n\n\n

ListenAddress 192.168.1.1
\u201cListenAddress\u201d\u8bbe\u7f6esshd\u670d\u52a1\u5668\u7ed1\u5b9a\u7684IP\u5730\u5740\u3002<\/p>\n\n\n\n

HostKey \/etc\/ssh\/ssh_host_key<\/p>\n\n\n\n

\u201cHostKey\u201d\u8bbe\u7f6e\u5305\u542b\u8ba1\u7b97\u673a\u79c1\u4eba\u5bc6\u5319\u7684\u6587\u4ef6\u3002<\/p>\n\n\n\n

ServerKeyBits 1024
\u201cServerKeyBits\u201d\u5b9a\u4e49\u670d\u52a1\u5668\u5bc6\u5319\u7684\u4f4d\u6570\u3002<\/p>\n\n\n\n

LoginGraceTime 600
\u201cLoginGraceTime\u201d\u8bbe\u7f6e\u5982\u679c\u7528\u6237\u4e0d\u80fd\u6210\u529f\u767b\u5f55\uff0c\u5728\u5207\u65ad\u8fde\u63a5\u4e4b\u524d\u670d\u52a1\u5668\u9700\u8981\u7b49\u5f85\u7684\u65f6\u95f4\uff08\u4ee5\u79d2\u4e3a\u5355\u4f4d\uff09\u3002<\/p>\n\n\n\n

ClientAliveInterval 300\uff08\u9ed8\u8ba4\u4e3a0\uff09
\u8fd9\u4e2a\u53c2\u6570\u7684\u662f\u610f\u601d\u662f\u6bcf5\u5206\u949f\uff0c\u670d\u52a1\u5668\u5411\u5ba2\u6237\u7aef\u53d1\u4e00\u4e2a\u6d88\u606f\uff0c\u7528\u4e8e\u4fdd\u6301\u8fde\u63a5<\/p>\n\n\n\n

KeyRegenerationInterval 3600
\u201cKeyRegenerationInterval\u201d\u8bbe\u7f6e\u5728\u591a\u5c11\u79d2\u4e4b\u540e\u81ea\u52a8\u91cd\u65b0\u751f\u6210\u670d\u52a1\u5668\u7684\u5bc6\u5319\uff08\u5982\u679c\u4f7f\u7528\u5bc6\u5319\uff09\u3002\u91cd\u65b0\u751f\u6210\u5bc6\u5319\u662f\u4e3a\u4e86\u9632\u6b62\u7528\u76d7\u7528\u7684\u5bc6\u5319\u89e3\u5bc6\u88ab\u622a\u83b7\u7684\u4fe1\u606f\u3002<\/p>\n\n\n\n

PermitRootLogin no
\u201cPermitRootLogin\u201d\u8bbe\u7f6eroot\u80fd\u4e0d\u80fd\u7528ssh\u767b\u5f55\u3002\u8fd9\u4e2a\u9009\u9879\u4e00\u5b9a\u4e0d\u8981\u8bbe\u6210\u201cyes\u201d\u3002<\/p>\n\n\n\n

IgnoreRhosts yes
\u201cIgnoreRhosts\u201d\u8bbe\u7f6e\u9a8c\u8bc1\u7684\u65f6\u5019\u662f\u5426\u4f7f\u7528\u201crhosts\u201d\u548c\u201cshosts\u201d\u6587\u4ef6\u3002<\/p>\n\n\n\n

IgnoreUserKnownHosts yes
\u201cIgnoreUserKnownHosts\u201d\u8bbe\u7f6essh daemon\u662f\u5426\u5728\u8fdb\u884cRhostsRSAAuthentication\u5b89\u5168\u9a8c\u8bc1\u7684\u65f6\u5019\u5ffd\u7565\u7528\u6237\u7684\u201c$HOME\/.ssh\/known_hosts\u201d<\/p>\n\n\n\n

StrictModes yes
\u201cStrictModes\u201d\u8bbe\u7f6essh\u5728\u63a5\u6536\u767b\u5f55\u8bf7\u6c42\u4e4b\u524d\u662f\u5426\u68c0\u67e5\u7528\u6237\u5bb6\u76ee\u5f55\u548crhosts\u6587\u4ef6\u7684\u6743\u9650\u548c\u6240\u6709\u6743\u3002\u8fd9\u901a\u5e38\u662f\u5fc5\u8981\u7684\uff0c\u56e0\u4e3a\u65b0\u624b\u7ecf\u5e38\u4f1a\u628a\u81ea\u5df1\u7684\u76ee\u5f55\u548c\u6587\u4ef6\u8bbe\u6210\u4efb\u4f55\u4eba\u90fd\u6709\u5199\u6743\u9650\u3002<\/p>\n\n\n\n

X11Forwarding no
\u201cX11Forwarding\u201d\u8bbe\u7f6e\u662f\u5426\u5141\u8bb8X11\u8f6c\u53d1\u3002<\/p>\n\n\n\n

PrintMotd yes
\u201cPrintMotd\u201d\u8bbe\u7f6esshd\u662f\u5426\u5728\u7528\u6237\u767b\u5f55\u7684\u65f6\u5019\u663e\u793a\u201c\/etc\/motd\u201d\u4e2d\u7684\u4fe1\u606f\u3002<\/p>\n\n\n\n

SyslogFacility AUTH
\u201cSyslogFacility\u201d\u8bbe\u7f6e\u5728\u8bb0\u5f55\u6765\u81easshd\u7684\u6d88\u606f\u7684\u65f6\u5019\uff0c\u662f\u5426\u7ed9\u51fa\u201cfacility pre\u201d\u3002<\/p>\n\n\n\n

LogLevel INFO
\u201cLogLevel\u201d\u8bbe\u7f6e\u8bb0\u5f55sshd\u65e5\u5fd7\u6d88\u606f\u7684\u5c42\u6b21\u3002INFO\u662f\u4e00\u4e2a\u597d\u7684\u9009\u62e9\u3002\u67e5\u770bsshd\u7684man\u5e2e\u52a9\u9875\uff0c\u5df2\u83b7\u53d6\u66f4\u591a\u7684\u4fe1\u606f\u3002<\/p>\n\n\n\n

RhostsAuthentication no
\u201cRhostsAuthentication\u201d\u8bbe\u7f6e\u53ea\u7528rhosts\u6216\u201c\/etc\/hosts.equiv\u201d\u8fdb\u884c\u5b89\u5168\u9a8c\u8bc1\u662f\u5426\u5df2\u7ecf\u8db3\u591f\u4e86\u3002<\/p>\n\n\n\n

RhostsRSAAuthentication no
\u201cRhostsRSA\u201d\u8bbe\u7f6e\u662f\u5426\u5141\u8bb8\u7528rhosts\u6216\u201c\/etc\/hosts.equiv\u201d\u52a0\u4e0aRSA\u8fdb\u884c\u5b89\u5168\u9a8c\u8bc1\u3002<\/p>\n\n\n\n

RSAAuthentication yes
\u201cRSAAuthentication\u201d\u8bbe\u7f6e\u662f\u5426\u5141\u8bb8\u53ea\u6709RSA\u5b89\u5168\u9a8c\u8bc1\u3002<\/p>\n\n\n\n

PasswordAuthentication yes
\u201cPasswordAuthentication\u201d\u8bbe\u7f6e\u662f\u5426\u5141\u8bb8\u53e3\u4ee4\u9a8c\u8bc1\u3002<\/p>\n\n\n\n

PermitEmptyPasswords no
\u201cPermitEmptyPasswords\u201d\u8bbe\u7f6e\u662f\u5426\u5141\u8bb8\u7528\u53e3\u4ee4\u4e3a\u7a7a\u7684\u5e10\u53f7\u767b\u5f55\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

Linux\u7cfb\u7edf\u7684\u8fdc\u7a0b\u7ba1\u7406\u5de5\u5177\u5927\u6982\u6709\u51e0\u79cd\uff1atelne …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-1129","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/benson80.eu.org\/index.php?rest_route=\/wp\/v2\/posts\/1129","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/benson80.eu.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/benson80.eu.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/benson80.eu.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/benson80.eu.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1129"}],"version-history":[{"count":8,"href":"https:\/\/benson80.eu.org\/index.php?rest_route=\/wp\/v2\/posts\/1129\/revisions"}],"predecessor-version":[{"id":1142,"href":"https:\/\/benson80.eu.org\/index.php?rest_route=\/wp\/v2\/posts\/1129\/revisions\/1142"}],"wp:attachment":[{"href":"https:\/\/benson80.eu.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1129"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/benson80.eu.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1129"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/benson80.eu.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1129"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}