SFTP Upload in “ASCII” Mode

Question

I have a simple text file that I am uploading from a windows platform to a Unix server using SFTP (Client: FireFTP). I have noticed that when uploading using SFTP rather than pl

Answer 1

SFTP protocol has several versions (1-6) with version 3 being the most popular. ASCII mode has been added in version 4 of the protocol.

In our SecureBlackbox product we emulate ASCII mode if connection has been negotiated with version 3 or lower of the protocol, but such emulation requires that you know the OS (or line ending) of the remote server. Also ASCII mode makes it harder to implement so-called pipelining of SFTP requests, the feature, that makes SFTP transfer much faster.