Hi Walter,
The Passive/Active mode is feature in FTP protocol, and doesn't exist in SFTP, since SFTP uses only one connection (no data connection).
wodSFTP only supports SFTP protocol, so there is no Active/Passive setting.
Perhaps you need FTP/FTPS instead? If so, you should try wodFtpDLX instead. wodFtpDLX supports FTP, FTPS, as well as SFTP.
In order to use Passive mode there, you can set Passive property to true, or false if you wish to use Active mode.
Hope I helped.
regards,
Damba