https://community.cloudera.com/t5/Support-Questions/Using-ssh-private-keys-without-passphrase-in-PutSFTP/m-p/289024#M213990 <P><a href="https://community.cloudera.com/t5/user/viewprofilepage/user-id/72162">@lueenavarro</a>&nbsp;</P><P>&nbsp;</P><P>Why would you want to have an unprotected key.&nbsp; If someone get a hold of it they can use it easily steal from your SFTP server.<BR /><BR />You don't need to get a new key.&nbsp; Instead simply set a password on your existing key for use in NiFi.</P><LI-CODE lang="markup">ssh-keygen -p -f &lt;existing key file&gt;</LI-CODE><P>above will prompt you for current password (just hit enter) and then for new password twice.<BR /><BR />Now you have a protected key to use for connecting to your SFTP server.</P><P>&nbsp;</P><P>Hope this helps you,</P><P>Matt</P> Mon, 03 Feb 2020 22:34:44 GMT MattWho 2020-02-03T22:34:44Z