Frequently Asked Questions

• What is FTP?

The File Transfer Protocol (FTP) is a protocol that is used to transfer data from one computer to another. The FTP standard is defined in RFC 959.


• What is FTPS?

FTP over SSL (FTPS) is the same protocol as FTP but with the addition of the SSL socket layer.


• What is SFTP?

FTP over SSH (SFTP) uses the SSH protocol to provide the same functionality as the FTP protocol.


• Is the Null FTP Server compatible with other FTP, FTPS and SFTP Clients?

Yes, the Null FTP Server was built with standards in mind as the first priority. Null FTP Server is fully compatible with just about all clients from different vendors and operating systems.


• Does the Null FTP Server have an SDK?

Yes, the Null FTP Server has 2 different SDKs which are both available in just about all programming languages. See the REST HTTP SDK and the COM SDK for more information.


• Is the Null FTP Server available on Linux or Mac?

Not at this time; however, you can connect into the Null FTP Server from both Linux and Mac computers.


• Is the Null FTP Server Free edition, free for commercial use?

Yes the Null FTP Server Free edition is free for commercial use.