What Port Does SFTP Use?

Posted by Van Glass on Thu, Oct 08, 2020 @ 07:01 PM

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SFTP (SSH File Transfer Protocol), not to be confused with FTPS (Secure File Transfer Protocol), runs on top of the SSH (Secure Shell) protocol and by default uses port number 22 for communications. SFTP server may be configured to listen on a different SFTP port other than the default port. Listening on a port other than the default port is a common tactic used to reduce the number of attacks, in particular scripted brute-force password attacks.

Unlike FTP/S protocols which use separate channels (ports) for exchanging data and commands,the SFTP protocol uses a single encrypted channel to exchange all data. The fact that SFTP uses a single port for all communications can make it easier to use than FTP/S when behind firewalls with strict policies. For additional information, read the article Understanding Key Differences Between FTP, FTPS and SFTP.

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Would you like to try this yourself? JSCAPE MFT Server is platform-agnostic and can be installed on Microsoft Windows, Linux, Mac OS X and Solaris, and can handle any file transfer protocol as well as multiple FTP protocols from a single server. Additionally, JSCAPE enables you to handle any file type, including batch files and XML. Download your free 7-day trial of JSCAPE MFT Server now.

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Topics: SFTP