Failed: See error below.
User john was able to SSH into app server 3, however user should only be allowed to make SFTP connection.
User john is not able to make SFTP connections
Not true. See below for evidence:
thor@jump_host / sftp john@stapp03
Connected to stapp03.
Remote working directory: /upload
thor@jump_host / ssh john@stapp03
This service allows sftp connections only.
Connection to stapp03 closed.