Is Sftp always encrypted?

Related questions

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2. What is Pasv mode?
3. What port is FTPS?
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5. Which is more secure https or SSL?
6. Which ports does FTP use?
7. Does SSH use SSL or TLS?
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Tags

1. #transfer
2. #connection
3. #encrypted
4. #securely
5. #protocol
6. #computer
7. #tunnel
8. #encrypts
9. #advisable
10. #therefore
11. #between
12. #transferred
13. #server
14. #ensure
15. #connections