Public bug reported:
When connecting to a host whose host keys have changed (e.g. when
connecting to a new instance in a cloud), something like the below
message is displayed. The ssh-keygen invocation is harder to copy-paste
than it could be if it were on a separate line.
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@ 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
<REDACTED>.
Please contact your system administrator.
Add correct host key in /home/<user>/.ssh/known_hosts to get rid of this
message.
Offending ECDSA key in /home/<user>/.ssh/known_hosts:408
remove with: ssh-keygen -f "/home/<user>/.ssh/known_hosts" -R <REDACTED>
ECDSA host key for <REDACTED> has changed and you have requested strict
checking.
Host key verification failed.
** Affects: openssh (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1491532
Title:
ssh-keygen invocation difficult to copy-paste
Status in openssh package in Ubuntu:
New
Bug description:
When connecting to a host whose host keys have changed (e.g. when
connecting to a new instance in a cloud), something like the below
message is displayed. The ssh-keygen invocation is harder to copy-
paste than it could be if it were on a separate line.
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@ 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
<REDACTED>.
Please contact your system administrator.
Add correct host key in /home/<user>/.ssh/known_hosts to get rid of this
message.
Offending ECDSA key in /home/<user>/.ssh/known_hosts:408
remove with: ssh-keygen -f "/home/<user>/.ssh/known_hosts" -R <REDACTED>
ECDSA host key for <REDACTED> has changed and you have requested strict
checking.
Host key verification failed.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/openssh/+bug/1491532/+subscriptions
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