121.42.0.37 一直在试图登录我的服务器是啥意思

您好，发现一个问题，就是ssh,sftp用命令行模式，没问题，但是用sublime sftp就连不上服务器了。。。

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您好，发现一个问题，就是ssh,sftp用命令行模式，没问题，但是用sublime sftp就连不上服务器了。。。

我的也是

云盾会通过公网模拟黑客入侵攻击，进行安全扫描。所以服务器有安全防护时，需要对云盾扫描ip进行放行。云盾扫描云服务器的的IP段固定为：


120.26.55.211/32

121.42.0.0/24

如果您使用的其他安全防护软件，建议将以上IP段加入白名单。

我的也是

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遇到同样问题，121.42.0.37扫描我的机器。

Jan 19 08:46:00 iZ25dso7kh3Z sshd[17636]: Received disconnect from 121.42.0.37: 11: Terminating connection
Jan 19 08:46:00 iZ25dso7kh3Z sshd[17641]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.42.0.37  user=mail
Jan 19 08:46:02 iZ25dso7kh3Z sshd[17641]: Failed password for mail from 121.42.0.37 port 4229 ssh2
Jan 19 08:46:02 iZ25dso7kh3Z sshd[17642]: Received disconnect from 121.42.0.37: 11: Terminating connection
Jan 19 08:46:02 iZ25dso7kh3Z sshd[17663]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.42.0.37  user=ftp
Jan 19 08:46:04 iZ25dso7kh3Z sshd[17663]: Failed password for ftp from 121.42.0.37 port 5297 ssh2
Jan 19 08:46:04 iZ25dso7kh3Z sshd[17664]: Received disconnect from 121.42.0.37: 11: Terminating connection
Jan 19 08:46:04 iZ25dso7kh3Z sshd[17665]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.42.0.37  user=ftp
Jan 19 08:46:06 iZ25dso7kh3Z sshd[17665]: Failed password for ftp from 121.42.0.37 port 6264 ssh2
Jan 19 08:46:06 iZ25dso7kh3Z sshd[17666]: Received disconnect from 121.42.0.37: 11: Terminating connection
Jan 19 08:46:06 iZ25dso7kh3Z sshd[17667]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.42.0.37  user=ftp
Jan 19 08:46:08 iZ25dso7kh3Z sshd[17667]: Failed password for ftp from 121.42.0.37 port 7070 ssh2
Jan 19 08:46:08 iZ25dso7kh3Z sshd[17668]: Received disconnect from 121.42.0.37: 11: Terminating connection
Jan 19 08:46:08 iZ25dso7kh3Z sshd[17669]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.42.0.37  user=ftp
Jan 19 08:46:10 iZ25dso7kh3Z sshd[17669]: Failed password for ftp from 121.42.0.37 port 7887 ssh2
Jan 19 08:46:10 iZ25dso7kh3Z sshd[17670]: Received disconnect from 121.42.0.37: 11: Terminating connection
Jan 19 08:46:10 iZ25dso7kh3Z sshd[17671]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.42.0.37  user=ftp
Jan 19 08:46:12 iZ25dso7kh3Z sshd[17671]: Failed password for ftp from 121.42.0.37 port 9009 ssh2
Jan 19 08:46:12 iZ25dso7kh3Z sshd[17672]: Received disconnect from 121.42.0.37: 11: Terminating connection
Jan 19 08:46:12 iZ25dso7kh3Z sshd[17673]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.42.0.37  user=ftp
Jan 19 08:46:14 iZ25dso7kh3Z sshd[17673]: Failed password for ftp from 121.42.0.37 port 9819 ssh2
Jan 19 08:46:14 iZ25dso7kh3Z sshd[17674]: Received disconnect from 121.42.0.37: 11: Terminating connection
Jan 19 08:46:14 iZ25dso7kh3Z sshd[17697]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.42.0.37  user=ftp
Jan 19 08:46:16 iZ25dso7kh3Z sshd[17697]: Failed password for ftp from 121.42.0.37 port 10862 ssh2
Jan 19 08:46:16 iZ25dso7kh3Z sshd[17698]: Received disconnect from 121.42.0.37: 11: Terminating connection
Jan 19 08:46:16 iZ25dso7kh3Z sshd[17699]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.42.0.37  user=ftp

您好，这个安全设备的IP地址， 还请您放心使用，如果还有疑问可以将具体的日志通过工单反馈我们核实下具体情况。

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IP是云盾安全扫描设备，不会对服务器使用产生影响的，云盾扫描IP可以参考： http://help.aliyun.com/knowledge_detail.htm?spm=5176.7114037.1996646101.3.8JFbYh&knowledgeId=5975223&pos=2