ssh rsync 登陆时跳过host检查
2021-10-14 tech linux 3 mins 1328 字
SSH 公钥检查是一个重要的安全机制，可以防范中间人劫持等黑客攻击。不过我在做rsync的自动化任务时就遇到问题了：因为我的rsync的server和client都是容器启动的，host变化是很正常的事。所以必须要绕过这样的提醒错误：
The authenticity of host '192.168.0.110 (192.168.0.110)' can't be established.
RSA key fingerprint is a3:ca:ad:95:a1:45:d2:57:3a:e9:e7:75:a8:4c:1f:9f.
Are you sure you want to continue connecting (yes/no)?
或者
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!
Someone could be eavesdropping on you right now (man-in-the-middle attack)!
It is also possible that the RSA host key has just been changed.
The fingerprint for the RSA key sent by the remote host is
e9:0c:36:89:7f:3c:07:71:09:5a:9f:28:8c:44:e9:05.
Please contact your system administrator.
Add correct host key in /home/jiangxin/.ssh/known_hosts to get rid of this message.
Offending key in /home/jiangxin/.ssh/known_hosts:81
RSA host key for 192.168.0.110 has changed and you have requested strict checking.
Host key verification failed.
在ssh配置文件中配置如下即可：
vi ~/.ssh/config
Host 192.168.1.10
StrictHostKeyChecking no
UserKnownHostsFile=/dev/null
或者批量设置：
vi ~/.ssh/config
Host 192.168.0.*
StrictHostKeyChecking no
UserKnownHostsFile=/dev/null