\u968f\u7740PHP\u8d8a\u6765\u8d8a\u6d41\u884c\uff0cLinux VPS\/\u670d\u52a1\u5668\u7684\u4f7f\u7528\u4e5f\u8d8a\u6765\u8d8a\u591a\uff0cLinux\u7684\u5b89\u5168\u95ee\u9898\u4e5f\u9700\u8981\u65e5\u6e10\u52a0\u5f3a\uff0c\u5982\u679c\u4f60\u5b89\u88c5\u8fc7DenyHosts\u5e76\u8bbe\u7f6e\u8fc7\u90ae\u4ef6\u63d0\u9192\uff0c\u4f60\u6bcf\u5929\u53ef\u80fd\u4f1a\u53d7\u5230\u6570\u5c01DenyHosts Report\u5c06\u524d\u6765\u7834\u89e3SSH\u5bc6\u7801\u7684IP\u52a0\u5165\/etc\/hosts.deny\u3002<\/p>\n
Linux SSH\u767b\u5f55\u6709\u4e24\u79cd\uff1a<\/p>\n
1\u3001\u4f7f\u7528\u5bc6\u7801\u9a8c\u8bc1\u767b\u5f55<\/p>\n
\u901a\u5e38VPS\u6216\u670d\u52a1\u5668\u5f00\u901a\u540e\u90fd\u662f\u76f4\u63a5\u63d0\u4f9bIP\u548croot\u5bc6\u7801\uff0c\u4f7f\u7528\u8fd9\u79cd\u65b9\u5f0f\u5c31\u662f\u901a\u8fc7\u5bc6\u7801\u65b9\u5f0f\u767b\u5f55\u3002\u5982\u679c\u5bc6\u7801\u4e0d\u591f\u5f3a\u58ee\uff0c\u800c\u4e14\u6ca1\u6709\u5b89\u88c5DenyHosts\u4e4b\u7c7b\u7684\u9632\u6b62SSH\u5bc6\u7801\u7834\u89e3\u7684\u8f6f\u4ef6\uff0c\u90a3\u4e48\u7cfb\u7edf\u5b89\u5168\u5c06\u5b58\u5728\u5f88\u5927\u7684\u9690\u60a3\u3002<\/p>\n
2\u3001\u4f7f\u7528\u5bc6\u94a5\u9a8c\u8bc1\u767b\u5f55<\/p>\n
\u57fa\u4e8e\u5bc6\u94a5\u7684\u5b89\u5168\u9a8c\u8bc1\u5fc5\u987b\u4e3a\u7528\u6237\u81ea\u5df1\u521b\u5efa\u4e00\u5bf9\u5bc6\u94a5\uff0c\u5e76\u628a\u5171\u6709\u7684\u5bc6\u94a5\u653e\u5728\u9700\u8981\u8bbf\u95ee\u7684\u670d\u52a1\u5668\u4e0a\u3002\u5f53\u9700\u8981\u8fde\u63a5\u5230SSH\u670d\u52a1\u5668\u4e0a\u65f6\uff0c\u5ba2\u6237\u7aef\u8f6f\u4ef6\u5c31\u4f1a\u5411\u670d\u52a1\u5668\u53d1\u51fa\u8bf7\u6c42\uff0c\u8bf7\u6c42\u4f7f\u7528\u5ba2\u6237\u7aef\u7684\u5bc6\u94a5\u8fdb\u884c\u5b89\u5168\u9a8c\u8bc1\u3002\u670d\u52a1\u5668\u6536\u5230\u8bf7\u6c42\u4e4b\u540e\uff0c\u5148\u5728\u8be5\u7528\u6237\u7684\u6839\u76ee\u5f55\u4e0b\u5bfb\u627e\u5171\u6709\u5bc6\u94a5\uff0c\u7136\u540e\u628a\u5b83\u548c\u53d1\u9001\u8fc7\u6765\u7684\u516c\u6709\u5bc6\u94a5\u8fdb\u884c\u6bd4\u8f83\u3002\u5982\u679c\u4e24\u4e2a\u5bc6\u94a5\u4e00\u81f4\uff0c\u670d\u52a1\u5668\u5c31\u7528\u516c\u6709\u7684\u5bc6\u94a5\u52a0\u5bc6\u201c\u8d28\u8be2\u201d\uff0c\u5e76\u628a\u5b83\u53d1\u9001\u7ed9\u5ba2\u6237\u7aef\u8f6f\u4ef6\uff08putty,xshell\u7b49\uff09\u3002\u5ba2\u6237\u7aef\u6536\u5230\u8d28\u8be2\u4e4b\u540e\uff0c\u5c31\u53ef\u4ee5\u7528\u672c\u5730\u7684\u79c1\u4eba\u5bc6\u94a5\u89e3\u5bc6\u518d\u628a\u5b83\u53d1\u9001\u7ed9\u670d\u52a1\u5668\uff0c\u8fd9\u79cd\u65b9\u5f0f\u662f\u76f8\u5f53\u5b89\u5168\u7684\u3002<\/p>\n
\u4e00\u3001\u751f\u6210\u5bc6\u94a5<\/p>\n
\u56e0\u4e3aputtygen\u751f\u6210\u7684\u5bc6\u94a5\u6709\u95ee\u9898\u53ef\u80fd\u4f1a\u51fa\u73b0\uff1a\u201cServer refused our key\u201d\uff0c\u6700\u597d\u4f7f\u7528XShell\u751f\u6210\u5bc6\u94a5\u6216\u8005\u5728\u8fdc\u7a0bLinux VPS\/\u670d\u52a1\u5668\u751f\u6210\u5bc6\u94a5\u3002<\/p>\n
1\u3001\u5728Linux\u8fdc\u7a0b\u670d\u52a1\u5668\u751f\u6210\u5bc6\u94a5\uff1a<\/p>\n
\u767b\u5f55\u8fdc\u7a0bLinux VPS\/\u670d\u52a1\u5668\uff0c\u6267\u884c\uff1a
\nroot@vpser:~# ssh-keygen -t rsa \/\/\u5148\u8fd0\u884c\u8fd9\u4e2a\u547d\u4ee4
\nGenerating public\/private rsa key pair.
\nEnter file in which to save the key (\/root\/.ssh\/id_rsa): \/\/\u76f4\u63a5\u56de\u8f66
\nCreated directory ‘\/root\/.ssh’.
\nEnter passphrase (empty for no passphrase): \/\/\u8f93\u5165\u5bc6\u94a5\u5bc6\u7801
\nEnter same passphrase again: \/\/\u91cd\u590d\u5bc6\u94a5\u5bc6\u7801
\nYour identification has been saved in \/root\/.ssh\/id_rsa. \/\/\u63d0\u793a\u516c\u94a5\u548c\u79c1\u94a5\u5df2\u7ecf\u5b58\u653e\u5728\/root\/.ssh\/\u76ee\u5f55\u4e0b
\nYour public key has been saved in \/root\/.ssh\/id_rsa.pub.
\nThe key fingerprint is:
\n15:23:a1:41:90:10:05:29:4c:d6:c0:11:61:13:23:dd root@vpser.net
\nThe key’s randomart image is:
\n+–[ RSA 2048]—-+
\n|=&@Bo+o o.o |
\n|=o=.E o . o |
\n| . . . |
\n| . |
\n| S |
\n| |
\n| |
\n| |
\n| |
\n+—————–+
\nroot@vpser:~#
\n\u5c06\/root\/.ssh\/\u4e0b\u9762\u7684id_rsa\u548cid_rsd.pub\u59a5\u5584\u4fdd\u5b58\u3002
\n2\u3001\u4f7f\u7528XShell\u751f\u6210\u5bc6\u94a5<\/p>\n
Xshell\u662f\u4e00\u6b3eWindows\u4e0b\u9762\u529f\u80fd\u5f3a\u5927\u7684SSH\u5ba2\u6237\u7aef\uff0c\u80fd\u591f\u6309\u5206\u7c7b\u4fdd\u5b58N\u591a\u4f1a\u8bdd\u3001\u652f\u6301Tab\u3001\u652f\u6301\u591a\u5bc6\u94a5\u7ba1\u7406\u7b49\u7b49\uff0c\u7ba1\u7406\u6bd4\u8f83\u591a\u7684VPS\/\u670d\u52a1\u5668\u4f7f\u7528XShell\u7b97\u662f\u6bd4\u8f83\u65b9\u4fbf\u7684\uff0c\u63a8\u8350\u4f7f\u7528\u3002<\/p>\n
\u4e0b\u8f7dXShell\uff0c\u5b89\u88c5\uff0c\u8fd0\u884cXShell\uff0c\u70b9\u51fb\u83dc\u5355\uff1aTool ->User Key Generation Wizard\uff0c\u51fa\u73b0\u5982\u4e0b\u63d0\u793a\uff1a<\/p>\n
\u70b9\u51fbSave as file\u5c06\u5bc6\u94a5\u4fdd\u5b58\u4e3aid_rsa.pub\u3002<\/p>\n
\u4e8c\u3001\u5c06\u5bc6\u94a5\u6dfb\u52a0\u5230\u8fdc\u7a0bLinux\u670d\u52a1\u5668<\/p>\n
1\u3001\u7528winscp\uff0c\u5c06id_rsa.pub\u6587\u4ef6\u4e0a\u4f20\u5230\/root\/.ssh\/\u4e0b\u9762\uff08\u5982\u679c\u6ca1\u6709\u5219\u521b\u5efa\u6b64\u76ee\u5f55\uff09\uff0c\u5e76\u91cd\u547d\u540d\u4e3a\uff1aauthorized_keys\uff08\u5982\u679c\u662f\u5728Linux\u670d\u52a1\u5668\u4e0a\u751f\u6210\u7684\u5bc6\u94a5\u76f4\u63a5\u6267\u884c\uff1amv \/root\/.ssh\/id_rsa.pub \/root\/.ssh\/authorized_keys\uff09\uff0c\u518d\u6267\u884c\uff1achmod 600 \/root\/.ssh\/authorized_keys \u4fee\u6539\u6743\u9650\u3002
\n2\u3001\u4fee\u6539\/etc\/ssh\/sshd_config \u6587\u4ef6\uff0c\u5c06RSAAuthentication \u548c PubkeyAuthentication \u540e\u9762\u7684\u503c\u90fd\u6539\u6210yes \uff0c\u4fdd\u5b58\u3002<\/p>\n
3\u3001\u91cd\u542fsshd\u670d\u52a1\uff0cDebian\/Ubuntu\u6267\u884c\/etc\/init.d\/ssh restart \uff1bCentOS\u6267\u884c\uff1a\/etc\/init.d\/sshd restart\u3002<\/p>\n
\u4e09\u3001\u5ba2\u6237\u7aef\u6d4b\u8bd5\u4f7f\u7528\u5bc6\u94a5\u767b\u5f55<\/p>\n
1\u3001\u4f7f\u7528putty\u767b\u5f55<\/p>\n
putty\u4f7f\u7528\u7684\u79c1\u94a5\u6587\u4ef6\u548cLinux\u670d\u52a1\u5668\u6216XShell\u7684\u79c1\u94a5\u683c\u5f0f\u4e0d\u540c\uff0c\u5982\u679c\u4f7f\u7528putty\u7684\u8bdd\uff0c\u9700\u8981\u5c06Linux\u4e3b\u673a\u4e0a\u751f\u6210\u7684id_rsa\u6587\u4ef6\u4e0b\u8f7d\u7684\u672c\u5730\u3002\u8fd0\u884cputty\u538b\u7f29\u5305\u91cc\u9762\u7684puttygen.exe\uff0c\u9009\u62e9Conversions->Import key\u9009\u62e9\u79c1\u94a5\u6587\u4ef6id_rsa\uff0c\u8f93\u5165\u5bc6\u94a5\u6587\u4ef6\u7684\u5bc6\u7801\uff0c\u4f1a\u51fa\u73b0\u5982\u4e0b\u754c\u9762\uff1a<\/p>\n
\u70b9\u51fb\u201cSave Private Key\u201d\uff0c\u5c06\u79c1\u94a5\u4fdd\u5b58\u4e3aid_rsa.ppk<\/p>\n
\u8fd0\u884cputty\uff0c\u5728Host Name\u586b\u5199\uff1aroot@\u4e3b\u673a\u540d\u6216ip<\/p>\n
\u5982\u679c\u8bbe\u7f6e\u4e86\u5bc6\u94a5\u5bc6\u7801\uff0c\u51fa\u73b0\uff1aPassphrase for key “imported-openssh-key”\u65f6\u8f93\u5165\u5bc6\u94a5\u5bc6\u7801\u3002<\/p>\n
\u5982\u679c\u8bbe\u7f6e\u6ca1\u95ee\u9898\u5c31\u4f1a\u767b\u5f55\u6210\u529f\uff0c\u51fa\u73b0\u7528\u6237\u63d0\u793a\u7b26\u3002<\/p>\n
2\u3001XShell\u767b\u5f55<\/p>\n
\u8fd0\u884cXShell\uff0c\u9009\u62e9\u83dc\u5355File->New\uff0c\u6309\u5982\u4e0b\u63d0\u793a\u586b\u5199\uff1a<\/p>\n
\u6253\u5f00\u521b\u5efa\u597d\u7684Session<\/p>\n
\u5982\u679c\u8bbe\u7f6e\u6ca1\u95ee\u9898\u5c31\u4f1a\u767b\u5f55\u6210\u529f\uff0c\u51fa\u73b0\u7528\u6237\u63d0\u793a\u7b26\u3002<\/p>\n
3\u3001Linux\u5ba2\u6237\u7aef\u767b\u5f55\u6d4b\u8bd5<\/p>\n
\u5728Linux\u5ba2\u6237\u7aef\u6267\u884c\uff1achmod 600 \/root\/id_rsa \u518d\u6267\u884c\uff1assh root@www.vpser.net -i \/root\/id_rsa \/root\/id_rsa\u4e3a\u79c1\u94a5\u6587\u4ef6\uff0c\u7b2c\u4e00\u6b21\u94fe\u63a5\u53ef\u80fd\u4f1a\u63d0\u793a\u786e\u8ba4\uff0c\u8f93\u5165yes\u5373\u53ef\uff0c\u518d\u6309\u63d0\u793a\u8f93\u5165\u5bc6\u94a5\u5bc6\u7801\uff0c\u6ca1\u6709\u95ee\u9898\u5c31\u4f1a\u51fa\u73b0\u7528\u6237\u63d0\u793a\u7b26\u3002<\/p>\n
\u56db\u3001\u4fee\u6539\u8fdc\u7a0bLinux\u670d\u52a1\u5668sshd\u670d\u52a1\u914d\u7f6e<\/p>\n
1\u3001\u4fee\u6539\/etc\/ssh\/sshd_config \u6587\u4ef6<\/p>\n
\u5c06PasswordAuthentication yes \u4fee\u6539\u6210 PasswordAuthentication no<\/p>\n
2\u3001\u91cd\u542fsshd\u670d\u52a1<\/p>\n
Debian\/Ubuntu\u6267\u884c\/etc\/init.d\/ssh restart \uff1bCentOS\u6267\u884c\uff1a\/etc\/init.d\/sshd restart\u3002<\/p>\n
ok\uff0c\u8bbe\u7f6e\u5b8c\u6210\u3002<\/p>\n
\u518d\u63d0\u9192\u4e00\u4e0b\u4e00\u5b9a\u8981\u4fdd\u5b58\u597dPutty\u79c1\u94a5\u6587\u4ef6id_rsa.ppk\u6216Linux\u670d\u52a1\u5668\u4e0b\u8f7d\u4e0b\u6765\u7684id_rsa\u79c1\u94a5\u6587\u4ef6\u3002<\/p>\n