After replacing the key, the springboard machine known_hosts retain the original authentication information, unable to authenticate the login

Identity added:kgj02-fortress (kgj02-fortress)

Spawn ssh 122.9.2.2

Last Login:thu Jan 10:54:49 from 61.8.38.1

[[email protected] ~]# ssh 23.234.42.130

@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

@ warning:remote HOST Identification has changed! @

@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

IT is POSSIBLE this SOMEONE is DOING SOMETHING nasty!

Someone could is eavesdropping on your right now (Man-in-the-middle attack)!

It is also possible, a host key has just been changed.

The fingerprint for the ECDSA key sent by the remote host is

ec:38:58:12:37:4b:0a:5d:c3:69:f6:8b:62:ba:9c:1d.

Please contact your system administrator.

Add correct host key in/root/.ssh/known_hosts to get rid of the this message.

Offending ECDSA Key in/root/.ssh/known_hosts:33

ECDSA host key for 23.234.42.130 had changed and you have requested strict checking.

Host Key verification failed.

Reason:

Because there is authentication information in the/root/.ssh/known_hosts file that corresponds to the previous host IP. So when using the new key, you need to delete the previous authentication information line

Cat/root/.ssh/known_hosts

103.56.1xxx ecdsa-sha2-nistp256 aaaae2vjzhnhbmlzdhayntyaaabbbdubvo1oq9btf+vgvc/waqtlo1godejzsqky/ilv3pft7/ g30hjwykunncwgm50yrztjwtvq9b++low5yiwqxgs=

103.56.1YYY ecdsa-sha2-nistp256 aaaae2vjzhnhlibmlzdhayntyaaabbbi+bnc8jmzkgzapahux9sul/ kmp0vzybnvc3qfd6ze98rnsz9hvtagqo/itmchsc/m2batwaof1py6h1rnmhegy=

103.56.1zzz ecdsa-sha2-nistp256 aaaae2vjzhnhlibmlzdhayntyaaabbbka437azcr+ Nycwipqftcrscmcraakgjdt5rhoz6ht8qxdezckaxqm0ebdsypkk0ih9zu50zihcxnuvs02fuaac=

103.56.1uuu ecdsa-sha2-nistp256 aaaae2vjzbmlzdhayntyaaabbbbvdlac76u0m35mqiyct50kycgowdhgnte6ygkrjli0mcwfre+ wnqqhputeju+hq3+kashcmhvqlac5ufn6ko4k=

After replacing the key, the springboard machine known_hosts retain the original authentication information, unable to authenticate the login