root@nf20 statNews]# ssh nf56
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@ WARNING: POSSIBLE DNS SPOOFING DETECTED! @
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
The ECDSA host key for nf56 has changed,
and the key for the corresponding IP address 10.130.21.56
is unchanged. This could either mean that
DNS SPOOFING is happening or the IP address for the host
and its host key have changed at the same time.
Offending key for IP in /root/.ssh/known_hosts:37
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@ 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 a host key has just been changed.
The fingerprint for the ECDSA key sent by the remote host is
SHA256:qpp1FgKKu1kyVvVsMqRV9FT0Tuynilmo30y1D17EVi8.
Please contact your system administrator.
Add correct host key in /root/.ssh/known_hosts to get rid of this message.
Offending ECDSA key in /root/.ssh/known_hosts:121
ECDSA host key for nf56 has changed and you have requested strict checking.
Host key verification failed.
修改文件/root/.ssh/known_hosts 看对应的ip 保证主机名一致。。。。仔细看日志报错的文件。。去查看 。。。
nf114.ifcert.org.cn ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBBH80vRsYF/RxD1eptkTUP3gVq1Z7blZ+hdYMazO5
yx2FW3eYCIIjidpZM+6OZ5apjfD29LhJ27hXptaNmjoq7g=
nf107.ifcert.org.cn ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBJxPS1IOKuruFtqGRTaIOoTgX9XbQEDm9zasua7yS
/LggtP/mYtK5LIo55MLnDYV9ENlK9jovERENZRex02Jp10=
nf54.ifcert.org.cn ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBB6Q+KcDBQKG71xcE/9lOkwDfX+5dCdKob7oB4Ua1Y
aIo7/QT9GeWusspqXQ8iA0hGLBZXtBHDcp2R/0a3onOHc=
nf55.ifcert.org.cn ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBC3mFgu5X+fiYpEJy3NK7wgBCqJucbgFajsZ2kRBzi
lG0asJA/o+d6P/qwTC5zZTUxn23qIedq51HhsazUPmY+Y=
nf56 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBKqT0wQyVemd3CvmW/lFFT2m4vDamKAFlAaTC/kRVop64W8ppDLEWr4
Hrx2/eXzbIKajLWuqwqrMzqStPahS+Jw=
202.108.211.131 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBF6oA6Wvoyv6+8RdSPeyuI7usJN70NRj7qI87DDNQc9Z8
nYGIdWmjMsOFZ9ZY9FFHfwVq0UWF8UY/TAO72Th3sw=
