sshfs needs attention?

[iwar]

Hi 
Do i have too do anything about this message?"
sshfs [email protected]:/mnt/arkivpool /home/ivar/nas
The authenticity of host '192.168.1.167 (192.168.1.167)' can't be established.
RSA key fingerprint is SHA256:u7uDzoHVrcU7+0EleNS6+lpWxS71DKSCMgOtfzuBFIk.
Are you sure you want to continue connecting (yes/no/[fingerprint])? yes"
It workt anyway so what is it about? hope for anny comment / Ivar

[iwar]

can this be the case  "The hostname generated automatically on install was too long" I had a warning about that i ignored after installed 5.2.

[Valtam]

What is your hostname?

[iwar]

IVAR-355V4C-356V4C-3445VC-3545VC
i think

[Valtam]

Try a max of 5 chars.