Click the Create button to create a new Endpoint, or select an existing Endpoint and click the Edit button to edit an existing endpoint. Enter the required fields as defined in the table below.
...
It is typical to use the default file name and location to store the private key (which is in the .ssh subfolder of the user's home directory). You can optionally secure the private key file with a passphrase. It is an SSH requirement that the private key be readable only by its owner (e.g. oracle in the example above). So you must change the permissions accordingly (e.g. chmod 600 /home/oracle/.ssh/id_rsa). You will receive an error at connection time similar to the following if you omit this step.
Permissions 0777 for '/home/oracle/.ssh/id_rsa' are too open.
It is recommended that your private key files are NOT accessible by others.
This private key will be ignored.
The /home/oracle/.ssh folder on the endpoint must have drw------- permissions (eg. chmod 700 /home/oracle/.ssh)
...