On 1/1/24 23:01, lejeczek via CentOS wrote: > > I don't quite get what exactly is happening here. > I'd say that box5 was most likely associated with a different IP Address at one time in the past. SSH obviously knows that box5 resolves to the current IP. You can make use of ssh-keygen and ssh-keyscan (man is your friend in this endeavor) to help make sense of what's in your known_hosts file.