After upgrade to SBC to 840p2, the SFTP does not work (Doc ID 2754772.1)

Last updated on OCTOBER 11, 2023

Applies to:

Symptoms

When trying SFTP the SBC getting closed with error message server unexpectedly closed network connection.
Below is the error when try SFTP the SBC.

[VM]$ sftp admin@X.X.X.X
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@ 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 RSA key sent by the remote host is
SHA256:trylgZB1eygFxL/qNvzQymqdwz9+LOeconE3fqh7/30.
Please contact your system administrator.
Add correct host key in /home/admin/.ssh/known_hosts to get rid of this message.
Offending RSA key in /home/admin/.ssh/known_hosts:3
RSA host key for X.X.X.X has changed and you have requested strict checking.
Host key verification failed.
Couldn't read packet: Connection reset by peer

Cause

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