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Configuring a Robo-FTP Server user account to log in with an SSH public key instead of a password.

Unix-style SFTP servers enable public key authentication by putting a copy of the public key in a folder named /.ssh but Robo-FTP Server requires a different method.

For Robo-FTP Server 3.4 and later:

1. The user will need to send you a copy of their public key in OpenSSH or SSH2 format.
2. Open the Server Console program to the Users menu.
3. Select the user account to modify and click the "Edit" button.
4. The value in the User Type dropdown list must be set to "Robo-FTP Server Authentication."
5. Click the button labeled "Manage SSH Public Keys" to bring up a form that shows a list of previously imported keys.
6. Click the "Import" button and select the file containing the user's public key.
7. Click the "OK" button and then the "Apply" button.

See the Help file for more details: Key Authentication.

For Robo-FTP Server 3.3 and later:

1. The user will need to send you a copy of their public key in OpenSSH or SSH2 format.
2. Open the Server Console program to the Users menu.
3. Select the user account to modify and click the "Edit" button.
4. The value in the User Type dropdown list must be set to "Robo-FTP Server Authentication."
5. Click the button labeled "Manage SSH Public Keys" to bring up a form that shows a list of previously imported keys.
6. Click the "Import" button and select the file containing the user's public key.
7. Click the "OK" button and then the "Apply" button.

For Robo-FTP Server 3.2:

1. The user will need to send you a copy of their public key in OpenSSH format.
2. Open the Server Console program to the Users menu.
3. Select the user account to modify and click the "Edit" button.
4. Change the value in the SFTP Authorization dropdown list to "SSH public key."
5. Click the button labeled "Manage SSH Public Keys" to bring up a form that shows a list of previously imported keys.
6. Click the "Import" button and select the file containing the user's public key.
7. Click the "OK" button and then the "Apply" button.

For Robo-FTP Server 3.1 and earlier:

1. The user will need to send you their public key.
2. Once you have received the key, go to the client Administration tab.
3. Enter the Client Properties for that user, or create a new user profile for them if they do not already have one.
4. Click on the Manage SSH Public Keys.
5. On the SSH Public Keys dialogue, you can add and remove keys for this user.
6. Note that if several user accounts have the same public key for some reason, you will need to use Manage SSH Public Keys for each user account.

See also:

How can I send a copy of Robo-FTP Server's public SSH key to my SFTP users?

Article last updated: 2021-01-05

Tags: SSH, Robo-FTP Server, Public Key Authentication