Does SFTP or the SCP Secure Copy Protocol (SCP) use Secure Shell (SSH) Protocol 2 or above ?

Yep, it definitely suppors SSH-2. Just FYI - this isn't really an Appian question, you might have more luck (or get a faster response) with a question like this by doing a quick google search or searching on message boards that are more specific to this question.

Yep, it definitely suppors SSH-2. Just FYI - this isn't really an Appian question, you might have more luck (or get a faster response) with a question like this by doing a quick google search or searching on message boards that are more specific to this question.