{"id":51745,"date":"2024-12-03T12:39:54","date_gmt":"2024-12-03T04:39:54","guid":{"rendered":"https:\/\/fwq.ai\/blog\/51745\/"},"modified":"2024-12-03T12:39:54","modified_gmt":"2024-12-03T04:39:54","slug":"%e8%ae%be%e7%bd%aelinux-ssh%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%9a%84%e6%ad%a5%e9%aa%a4","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/51745\/","title":{"rendered":"\u8bbe\u7f6eLinux SSH\u670d\u52a1\u5668\u7684\u6b65\u9aa4"},"content":{"rendered":"

<\/b> <\/p>\n

\u8bbe\u7f6eLinux SSH\u670d\u52a1\u5668\u7684\u6b65\u9aa4<\/h1>\n

\u5728 Linux \u7cfb\u7edf\u4e2d\uff0cSSH \u670d\u52a1\u5668\u63d0\u4f9b\u5b89\u5168\u53ef\u9760\u7684\u8fdc\u7a0b\u8bbf\u95ee\u3002\u672c\u6587\u5206\u6b65\u4ecb\u7ecd\u4e86\u5982\u4f55\u914d\u7f6e Linux SSH \u670d\u52a1\u5668\uff0c\u5305\u62ec\u5b89\u88c5 OpenSSH \u670d\u52a1\u5668\u3001\u914d\u7f6e SSH \u670d\u52a1\u5668\u8bbe\u7f6e\uff08\u5982\u66f4\u6539\u7aef\u53e3\u548c\u7981\u7528 root \u767b\u5f55\uff09\u3001\u91cd\u542f SSH \u670d\u52a1\u5668\u4ee5\u53ca\u4f7f\u7528 SSH \u5ba2\u6237\u7aef\u8fde\u63a5\u670d\u52a1\u5668\u3002\u672c\u6559\u7a0b\u901a\u8fc7\u6e05\u6670\u7684\u4ee3\u7801\u793a\u4f8b\u548c\u8be6\u7ec6\u7684\u8bf4\u660e\uff0c\u65e8\u5728\u5e2e\u52a9\u7528\u6237\u5efa\u7acb\u5b89\u5168\u7684 SSH \u8fde\u63a5\u3002<\/p>\n

\u5982\u4f55\u5728Linux\u4e0a\u914d\u7f6eSSH\u670d\u52a1\u5668<\/p>\n

\u6982\u8ff0\uff1a
SSH\uff08Secure Shell\uff09\u662f\u4e00\u79cd\u5b89\u5168\u52a0\u5bc6\u7684\u7f51\u7edc\u4f20\u8f93\u534f\u8bae\uff0c\u5b83\u5728Linux\u7cfb\u7edf\u4e2d\u5e7f\u6cdb\u4f7f\u7528\u3002\u901a\u8fc7\u914d\u7f6eSSH\u670d\u52a1\u5668\uff0c\u6211\u4eec\u53ef\u4ee5\u8fdc\u7a0b\u8bbf\u95ee\u670d\u52a1\u5668\u5e76\u8fdb\u884c\u5b89\u5168\u7684\u6587\u4ef6\u4f20\u8f93\u548c\u6267\u884c\u8fdc\u7a0b\u547d\u4ee4\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728Linux\u7cfb\u7edf\u4e0a\u914d\u7f6eSSH\u670d\u52a1\u5668\u5e76\u63d0\u4f9b\u4e00\u4e9b\u5b9e\u9645\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

\u6b65\u9aa41\uff1a\u5b89\u88c5OpenSSH\u670d\u52a1\u5668
\u5728\u5f00\u59cb\u914d\u7f6eSSH\u670d\u52a1\u5668\u4e4b\u524d\uff0c\u6211\u4eec\u9700\u8981\u5148\u786e\u4fdd\u7cfb\u7edf\u4e0a\u5df2\u7ecf\u5b89\u88c5\u4e86OpenSSH\u670d\u52a1\u5668\u8f6f\u4ef6\u3002\u5927\u591a\u6570Linux\u53d1\u884c\u7248\u90fd\u4f1a\u9ed8\u8ba4\u5b89\u88c5OpenSSH\u670d\u52a1\u5668\uff0c\u4f46\u662f\u4e3a\u4e86\u786e\u4fdd\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c\u68c0\u67e5\u548c\u5b89\u88c5\uff1a<\/p>\n

$ sudo apt update\n$ sudo apt install openssh-server<\/pre>\n
\u6b65\u9aa42\uff1a\u914d\u7f6eSSH\u670d\u52a1\u5668
SSH\u670d\u52a1\u5668\u7684\u914d\u7f6e\u6587\u4ef6\u4f4d\u4e8e\/etc\/ssh\/sshd_config<\/code>\u3002\u53ef\u4ee5\u4f7f\u7528\u6587\u672c\u7f16\u8f91\u5668\uff08\u5982vi\u3001nano\u7b49\uff09\u6253\u5f00\u8be5\u6587\u4ef6\u8fdb\u884c\u914d\u7f6e\u3002<\/p>\n
2.1 \u66f4\u6539SSH\u670d\u52a1\u5668\u76d1\u542c\u7684\u7aef\u53e3\uff08\u53ef\u9009\uff09
\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cSSH\u670d\u52a1\u5668\u76d1\u542c\u7684\u7aef\u53e3\u662f22\u3002\u4e3a\u4e86\u589e\u52a0\u5b89\u5168\u6027\uff0c\u53ef\u4ee5\u9009\u62e9\u66f4\u6539\u4e3a\u5176\u4ed6\u672a\u88ab\u4f7f\u7528\u7684\u7aef\u53e3\u3002\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u627e\u5230\u4ee5\u4e0b\u884c\uff0c\u5e76\u5c06\u5176\u6ce8\u91ca\u6389\uff08\u5728\u884c\u524d\u9762\u6dfb\u52a0#<\/code>\uff09\uff0c\u5e76\u6dfb\u52a0\u65b0\u7684\u7aef\u53e3\u53f7\u3002<\/p>\n
#Port 22\nPort 12345<\/pre>\n
2.2 \u7981\u6b62Root\u767b\u5f55\uff08\u63a8\u8350\uff09
\u7981\u6b62root\u7528\u6237\u76f4\u63a5\u767b\u5f55\u662f\u4e00\u4e2a\u5f88\u597d\u7684\u5b89\u5168\u63aa\u65bd\u3002\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u627e\u5230\u4ee5\u4e0b\u884c\uff0c\u5e76\u786e\u4fdd\u5176\u88ab\u8bbe\u7f6e\u4e3a\u201cno\u201d\u3002<\/p>\n
PermitRootLogin no<\/pre>\n
2.3 \u8bbe\u7f6e\u5141\u8bb8\u8bbf\u95ee\u7684\u7528\u6237
\u53ef\u4ee5\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u4f7f\u7528AllowUsers<\/code>\u53c2\u6570\u5b9a\u4e49\u5141\u8bb8\u8bbf\u95eeSSH\u670d\u52a1\u5668\u7684\u7528\u6237\u3002\u53ef\u4ee5\u6307\u5b9a\u591a\u4e2a\u7528\u6237\uff0c\u4f7f\u7528\u7a7a\u683c\u5206\u9694\u3002<\/p>\n
AllowUsers user1 user2<\/pre>\n
2.4 \u5176\u4ed6\u914d\u7f6e\u9009\u9879\uff08\u53ef\u9009\uff09
\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u8fd8\u6709\u5176\u4ed6\u4e00\u4e9b\u914d\u7f6e\u9009\u9879\u53ef\u4ee5\u8fdb\u884c\u8bbe\u7f6e\uff0c\u5982\u767b\u5f55\u8d85\u65f6\u65f6\u95f4\u3001\u6700\u5927\u767b\u5f55\u5c1d\u8bd5\u6b21\u6570\u7b49\u3002\u53ef\u4ee5\u6839\u636e\u9700\u6c42\u8fdb\u884c\u8c03\u6574\uff0c\u5177\u4f53\u914d\u7f6e\u9009\u9879\u53ef\u4ee5\u67e5\u770bOpenSSH\u6587\u6863\u3002<\/p>\n
\u6b65\u9aa43\uff1a\u91cd\u542fSSH\u670d\u52a1\u5668
\u5b8c\u6210\u914d\u7f6e\u540e\uff0c\u9700\u8981\u91cd\u542fSSH\u670d\u52a1\u5668\u624d\u80fd\u4f7f\u914d\u7f6e\u751f\u6548\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u91cd\u542fSSH\u670d\u52a1\u5668\uff1a<\/p>\n
$ sudo service ssh restart<\/pre>\n
\u6b65\u9aa44\uff1a\u8fde\u63a5SSH\u670d\u52a1\u5668
\u914d\u7f6e\u5b8c\u6210\u540e\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u4f7f\u7528SSH\u5ba2\u6237\u7aef\u8fde\u63a5SSH\u670d\u52a1\u5668\u4e86\u3002\u53ef\u4ee5\u5728Windows\u7cfb\u7edf\u4e0a\u4f7f\u7528PuTTY\u7b49\u5de5\u5177\uff0c\u6216\u8005\u5728Linux\u548cMac\u7cfb\u7edf\u4e0a\u4f7f\u7528\u7ec8\u7aef\u3002<\/p>\n
\u8fde\u63a5SSH\u670d\u52a1\u5668\u7684\u57fa\u672c\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n
$ ssh username@server_ip -p port_number<\/pre>\n
\u5176\u4e2d\uff0cusername<\/code>\u4e3aSSH\u670d\u52a1\u5668\u4e0a\u7684\u7528\u6237\u540d\uff0cserver_ip<\/code>\u4e3aSSH\u670d\u52a1\u5668\u7684IP\u5730\u5740\uff0cport_number<\/code>\u4e3aSSH\u670d\u52a1\u5668\u914d\u7f6e\u7684\u7aef\u53e3\u53f7\u3002<\/p>\n
\u4f8b\u5982\uff0c\u5728\u7528\u6237\u540d\u4e3auser1<\/code>\uff0cSSH\u670d\u52a1\u5668IP\u4e3a192.168.0.100<\/code>\uff0c\u7aef\u53e3\u53f7\u4e3a12345<\/code>\u7684\u60c5\u51b5\u4e0b\uff0c\u8fde\u63a5SSH\u670d\u52a1\u5668\u7684\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n
$ ssh user1@192.168.0.100 -p 12345<\/pre>\n
\u8fde\u63a5\u6210\u529f\u540e\uff0c\u4f1a\u63d0\u793a\u8f93\u5165\u7528\u6237\u5bc6\u7801\uff0c\u8f93\u5165\u6b63\u786e\u7684\u5bc6\u7801\u540e\u5373\u53ef\u767b\u5f55\u5230SSH\u670d\u52a1\u5668\u3002<\/p>\n
\u603b\u7ed3\uff1a
\u914d\u7f6eSSH\u670d\u52a1\u5668\u53ef\u4ee5\u8ba9\u6211\u4eec\u66f4\u597d\u5730\u7ba1\u7406\u548c\u8fdc\u7a0b\u8bbf\u95eeLinux\u7cfb\u7edf\u3002\u672c\u6587\u4ecb\u7ecd\u4e86\u5728Linux\u4e0a\u914d\u7f6eSSH\u670d\u52a1\u5668\u7684\u57fa\u672c\u6b65\u9aa4\uff0c\u5e76\u63d0\u4f9b\u4e86\u76f8\u5173\u7684\u4ee3\u7801\u793a\u4f8b\u3002\u901a\u8fc7\u5408\u7406\u914d\u7f6eSSH\u670d\u52a1\u5668\uff0c\u6211\u4eec\u53ef\u4ee5\u786e\u4fdd\u7cfb\u7edf\u7684\u5b89\u5168\u6027\uff0c\u5e76\u65b9\u4fbf\u5730\u8fdb\u884c\u8fdc\u7a0b\u7ba1\u7406\u548c\u6587\u4ef6\u4f20\u8f93\u3002\u5e0c\u671b\u672c\u6587\u5bf9\u5927\u5bb6\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n
\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300a\u8bbe\u7f6eLinux SSH\u670d\u52a1\u5668\u7684\u6b65\u9aa4\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u7c73\u4e91\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03\u6587\u7ae0\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n
\n
<\/dt>\n
\n   \u76d1\u63a7\u6570\u636e\u5e93\u5bb9\u5668\u5316\u7684PHP\u5b9e\u73b0\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
\u8bbe\u7f6eLinux SSH\u670d\u52a1\u5668\u7684\u6b65\u9aa4 \u5728 Linux \u7cfb\u7edf\u4e2d\uff0cSSH \u670d\u52a1\u5668\u63d0\u4f9b\u5b89\u5168\u53ef\u9760\u7684\u8fdc\u7a0b\u8bbf\u95ee\u3002\u672c\u6587\u5206\u6b65\u4ecb\u7ecd\u4e86\u5982\u4f55\u914d\u7f6e Linux SSH \u670d\u52a1\u5668\uff0c\u5305\u62ec\u5b89\u88c5 OpenSSH \u670d\u52a1\u5668\u3001\u914d\u7f6e SSH \u670d\u52a1\u5668\u8bbe\u7f6e\uff08\u5982\u66f4\u6539\u7aef\u53e3\u548c\u7981\u7528 root \u767b\u5f55\uff09\u3001\u91cd\u542f SSH \u670d\u52a1\u5668\u4ee5\u53ca\u4f7f\u7528 SSH \u5ba2\u6237\u7aef\u8fde\u63a5\u670d\u52a1\u5668\u3002\u672c\u6559\u7a0b\u901a\u8fc7\u6e05\u6670\u7684\u4ee3\u7801\u793a\u4f8b\u548c\u8be6\u7ec6\u7684\u8bf4\u660e\uff0c\u65e8\u5728\u5e2e\u52a9\u7528\u6237\u5efa\u7acb\u5b89\u5168\u7684 SSH \u8fde\u63a5\u3002 \u5982\u4f55\u5728Linux\u4e0a\u914d\u7f6eSSH\u670d\u52a1\u5668 \u6982\u8ff0\uff1aSSH\uff08Secure Shell\uff09\u662f\u4e00\u79cd\u5b89\u5168\u52a0\u5bc6\u7684\u7f51\u7edc\u4f20\u8f93\u534f\u8bae\uff0c\u5b83\u5728Linux\u7cfb\u7edf\u4e2d\u5e7f\u6cdb\u4f7f\u7528\u3002\u901a\u8fc7\u914d\u7f6eSSH\u670d\u52a1\u5668\uff0c\u6211\u4eec\u53ef\u4ee5\u8fdc\u7a0b\u8bbf\u95ee\u670d\u52a1\u5668\u5e76\u8fdb\u884c\u5b89\u5168\u7684\u6587\u4ef6\u4f20\u8f93\u548c\u6267\u884c\u8fdc\u7a0b\u547d\u4ee4\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728Linux\u7cfb\u7edf\u4e0a\u914d\u7f6eSSH\u670d\u52a1\u5668\u5e76\u63d0\u4f9b\u4e00\u4e9b\u5b9e\u9645\u7684\u4ee3\u7801\u793a\u4f8b\u3002 \u6b65\u9aa41\uff1a\u5b89\u88c5OpenSSH\u670d\u52a1\u5668\u5728\u5f00\u59cb\u914d\u7f6eSSH\u670d\u52a1\u5668\u4e4b\u524d\uff0c\u6211\u4eec\u9700\u8981\u5148\u786e\u4fdd\u7cfb\u7edf\u4e0a\u5df2\u7ecf\u5b89\u88c5\u4e86OpenSSH\u670d\u52a1\u5668\u8f6f\u4ef6\u3002\u5927\u591a\u6570Linux\u53d1\u884c\u7248\u90fd\u4f1a\u9ed8\u8ba4\u5b89\u88c5OpenSSH\u670d\u52a1\u5668\uff0c\u4f46\u662f\u4e3a\u4e86\u786e\u4fdd\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c\u68c0\u67e5\u548c\u5b89\u88c5\uff1a $ sudo apt update $ sudo apt install openssh-server \u6b65\u9aa42\uff1a\u914d\u7f6eSSH\u670d\u52a1\u5668SSH\u670d\u52a1\u5668\u7684\u914d\u7f6e\u6587\u4ef6\u4f4d\u4e8e\/etc\/ssh\/sshd_config\u3002\u53ef\u4ee5\u4f7f\u7528\u6587\u672c\u7f16\u8f91\u5668\uff08\u5982vi\u3001nano\u7b49\uff09\u6253\u5f00\u8be5\u6587\u4ef6\u8fdb\u884c\u914d\u7f6e\u3002 2.1 \u66f4\u6539SSH\u670d\u52a1\u5668\u76d1\u542c\u7684\u7aef\u53e3\uff08\u53ef\u9009\uff09\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cSSH\u670d\u52a1\u5668\u76d1\u542c\u7684\u7aef\u53e3\u662f22\u3002\u4e3a\u4e86\u589e\u52a0\u5b89\u5168\u6027\uff0c\u53ef\u4ee5\u9009\u62e9\u66f4\u6539\u4e3a\u5176\u4ed6\u672a\u88ab\u4f7f\u7528\u7684\u7aef\u53e3\u3002\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u627e\u5230\u4ee5\u4e0b\u884c\uff0c\u5e76\u5c06\u5176\u6ce8\u91ca\u6389\uff08\u5728\u884c\u524d\u9762\u6dfb\u52a0#\uff09\uff0c\u5e76\u6dfb\u52a0\u65b0\u7684\u7aef\u53e3\u53f7\u3002 #Port 22 Port 12345 2.2 \u7981\u6b62Root\u767b\u5f55\uff08\u63a8\u8350\uff09\u7981\u6b62root\u7528\u6237\u76f4\u63a5\u767b\u5f55\u662f\u4e00\u4e2a\u5f88\u597d\u7684\u5b89\u5168\u63aa\u65bd\u3002\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u627e\u5230\u4ee5\u4e0b\u884c\uff0c\u5e76\u786e\u4fdd\u5176\u88ab\u8bbe\u7f6e\u4e3a\u201cno\u201d\u3002 PermitRootLogin no 2.3 \u8bbe\u7f6e\u5141\u8bb8\u8bbf\u95ee\u7684\u7528\u6237\u53ef\u4ee5\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u4f7f\u7528AllowUsers\u53c2\u6570\u5b9a\u4e49\u5141\u8bb8\u8bbf\u95eeSSH\u670d\u52a1\u5668\u7684\u7528\u6237\u3002\u53ef\u4ee5\u6307\u5b9a\u591a\u4e2a\u7528\u6237\uff0c\u4f7f\u7528\u7a7a\u683c\u5206\u9694\u3002 AllowUsers user1 user2 2.4 \u5176\u4ed6\u914d\u7f6e\u9009\u9879\uff08\u53ef\u9009\uff09\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u8fd8\u6709\u5176\u4ed6\u4e00\u4e9b\u914d\u7f6e\u9009\u9879\u53ef\u4ee5\u8fdb\u884c\u8bbe\u7f6e\uff0c\u5982\u767b\u5f55\u8d85\u65f6\u65f6\u95f4\u3001\u6700\u5927\u767b\u5f55\u5c1d\u8bd5\u6b21\u6570\u7b49\u3002\u53ef\u4ee5\u6839\u636e\u9700\u6c42\u8fdb\u884c\u8c03\u6574\uff0c\u5177\u4f53\u914d\u7f6e\u9009\u9879\u53ef\u4ee5\u67e5\u770bOpenSSH\u6587\u6863\u3002 \u6b65\u9aa43\uff1a\u91cd\u542fSSH\u670d\u52a1\u5668\u5b8c\u6210\u914d\u7f6e\u540e\uff0c\u9700\u8981\u91cd\u542fSSH\u670d\u52a1\u5668\u624d\u80fd\u4f7f\u914d\u7f6e\u751f\u6548\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u91cd\u542fSSH\u670d\u52a1\u5668\uff1a $ sudo 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