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Home > Success Center > Serv-U Managed File Transfer & Serv-U FTP Server > Configure SFTP using Serv-U and FTP Voyager Secure

Configure SFTP using Serv-U and FTP Voyager Secure

Updated March 31, 2017


This article provide steps to make an SFTP connection between FTP Voyager Secure and Serv-U.



All Serv-U versions


Create a site profile in FTP Voyager Secure

  1. Start FTP Voyager Secure in the Advanced Mode.
    Note: Make sure Simple Mode is unchecked from the View menu.
  2. Create a site profile in FTP Voyager Secure.
  3. Click Advanced > Security.
    SSH Advanced Menu
  4. Select SFTP Using SSH2 (Secure Shell) on port 22 from the dropdown and click OK.
  5. Cancel out of the Site Profile Manager.

SSH Options

  1. SSH > Options > SSH options.SSH Options
  2. Check Use public key authentication.
  3. Uncheck Use password authentication and click Create New Key Pair Files.

Create SSH key pair files

  1. Select Key Type and click Key Length.
  2. Enter password (optional).
  3. Specify the destination path for both keys.
  4. Specify Public Key File Format as OpenSSH.
    Note: Serv-U does not support PuTTY keys.
  5. Click Create Files.
  6. You should now have two keys in the specified folder. There should be files that ends in .key and .pub. Copy the .pub file to the Serv-U server.

SSH Key Gen

SSH Listener

Note: Serv-U must have an SFTP using SSH listener configured on port 22 from the Listeners menu.

SSH Limits

Serv-U SSH Authentication Type

In order to achieve a successful connection, the client needs to send the authentication type that Serv-U is expecting to receive from. FTP Voyager must have an unchecked Use password authentication right before the SSH key is generated. Indicate in Serv-U the type of authentication to expect. This can be done in four different places within Serv-U. You configure the authentication type at the Server, Domain, Group, or User level. In this example, it shows how Domain is configure.

SSH Limits

SSH Public Key Path

Once the Public Key is transferred to the server, the path needs to be specified within the User Properties section.

SSH Key Path

Once this is accomplished, the user will be able to connect using SFTP.




Last modified
20:47, 6 Apr 2017