The client authentication option indicates if SSL authentication is expected when a client connects to
Managed File Transfer
. If a Web User or Web User Template is configured to authenticate using a certificate, the Optional or Required setting should be selected.
None - Client certificate authentication is not enabled and client certificates will be ignored. Clients must authenticate with their username and password when connecting to the server.
Optional - Client certificate authentication is enabled, but a certificate is not required. If a valid certificate is available from the client, it will be used to for authentication. If a valid certificate is not available, the client must authenticate with their username and password when connecting to the server.
Required - Client certificate authentication is enabled and a valid certificate is required. A client connection without a valid certificate will be rejected.