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Home > Success Center > Serv-U Managed File Transfer & Serv-U FTP Server > Serv-U Managed FTS & FTP Documentation > Serv-U File Server Administrator Guide > User accounts on the Serv-U server > SFTP for users and groups

SFTP for users and groups

Created by Anthony.Rinaldi_ret, last modified by Anthony.Rinaldi_ret on Jul 20, 2016

Views: 654 Votes: 0 Revisions: 3

Use an existing public key

  1. Obtain a public key file.
  2. Place the public key file in a secured directory in the server, and then use Browse in Serv-U to select the file.
  3. Click Save.

Create a key pair

  1. Click Manage Keys.
  2. Click Create Key.
  3. Type the name of the key pair (for example, MyKey), which is also used to name the storage file.
  4. Type the output directory of the certificate (for example, C:\ProgramData\SolarWinds\Serv-U\).
  5. Select the key type (default of DSA is preferred, but RSA is available).
  6. Select the key length (default of 1024 bits provides best performance, 2048 bits is a good median, and 4096 bits provides best security).
  7. Enter the password to use for securing the key file.
  8. Click Create.

Create multiple keys per user

For the purposes of public key authentication, you can associate multiple public keys with a user account.

To create multiple keys for an account:

  1. Click Manage Keys.
  2. Click Add Key, and then specify the key name and the key path.

When authenticating a client, Serv-U checks all the keys you provide here. If authenticating against one key fails, Serv-U proceeds to check the next key.

For optimal results, the following best practices are recommended:

  • It is recommended that you do not create more than 100 keys per user account.
  • If you have a large number of public keys, divide the keys between multiple users, and define the common user properties at group level.
  • Avoid storing the public keys in a network path.
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