SFTP

1
SFTP

• Secure File Transfer Protocol

2
Agenda

• What is SFTP?
• How does it work?
• Types of SFTP
• Downloading a Client
• Accessing the SUN System
• Transferring files

3
Vocabulary

• Protocol - a set of rules that govern how
  information is exchanged
• FTP File Transfer Protocol transfers files
  between computers. Runs on Port 21. Not Secure.
  (NOT available after 10-1-2008)
• SFTP Secure File Transfer Protocol same as FTP
  but files are encrypted on the line. Runs on Port
  22. Secure. (available after 10-1-2008)
• scp- Secure copy. Secure. Runs on Port 22.
• Client The machine generating the request
  (local machine)
• Server The machine ready and willing to process
  the request (remote machine)

4
What is SFTP?

• Its main function is the secure file transfer
  between a local and a remote computer. It uses
  Secure Shell (SSH)
• Secure Shell or SSH is a network protocol that
  allows data to be exchanged using a secure
  channel between two networked devices
• The encryption used by SSH provides
  confidentiality and integrity of data

5
How does SFTP work?

• Software on one computer talks to software on
  another computer
• Files encrypted for secure transfer of data from
  one computer to the other