Difference Between FTP and SFTP (With Table)

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“File Transfer Protocol” is shortened as FTP. The file transfer protocol, or FTP, is not capable of establishing a secure connection between the hosts for successful file transmission. However, the acronym SFTP, in a general sense, stands for “Secure File Transfer Protocol.” SFTP can provide a highly secure channel for successful file transfers between sites.

FTP vs SFTP

The difference between FTP and SFTP is that, When it comes to filing transfer, the FTP concept is based on the direct technique. In the case of FTP, both the downloading and uploading of files happens without the use of any security. However, The “tunnelling approach” lies at the heart of the SFTP idea, especially when it comes to filing transfers between sites. In the case of SFTP, both the uploading and downloading of files is done in a safe manner using SSH keys.

FTP is an insecure gateway that works with either the IP or TCP protocols. On the TCP port 21 connection, greater control is established in the case of FTP. The FTP password is the only security feature of the unprotected file transfer protocol, which means it does not permit data encryption before transmission. However, the information and data are delivered in plain text here. FTP, or file transfer protocol, uses port 21 to carry out its activities.

SFTP is a protected gateway that uses the SSH protocol, which is a remote login application programme. In the case of SFTP, the server and client create a secure connection using the SSH protocol. Before transferring, the information and data are normally encrypted using the protected file transfer protocol. Secure file transfer protocol, or SFTP, often uses port 22 for its operations.

Comparison Table Between FTP and SFTP

Parameters of ComparisonFTPSFTP
TypeNot securedSecured
Port UsedPort no-21Port no-22
Protocol followedIP or TCP protocolSSH protocol
Type of MethodDirect methodTunnelling method
EncryptionNot encryptedEncrypted

What is FTP?

FTP, in a general sense, stands for “File Transfer Protocol” in abbreviated form. The file transfer protocol, or FTP, is not capable of establishing a secure connection between hosts for successful file transmission. FTP is a secure gateway that uses either the IP or TCP protocols. On the TCP port 21 connection, a higher level of control is achieved in the case of FTP.

The FTP password is the only security feature of the unprotected file transfer protocol, which means it does not permit data encryption before transmission. However, the information and data are provided in plain text in this case.

The file transfer protocol, also known as FTP, uses port 21 to carry out its functions. When it comes to the process of file transfer, the FTP concept is based on the direct technique. In the case of FTP, both the downloading and uploading of files go place without the use of any security.

What is SFTP?

“Secure File Transfer Protocol” is shortened as SFTP. SFTP is capable of providing a highly secure route for the successful transfer of files between sites. SFTP is a secure gateway that uses the SSH protocol, which is a remote login application programme.

In the case of SFTP, the connection between the server and the client is formed via the SSH protocol, which is safe. Before transferring, the secured file transfer protocol normally encrypts the information and data. Secure file transfer protocol, or SFTP, often uses port 22 to carry out its functions.

The notion of SFTP is based on the “tunnelling approach,” which is particularly useful when transferring files across sites. In the case of SFTP, both the uploading and downloading of files are maintained using SSH keys in a thankfully safe manner.

Main Differences Between FTP and SFTP

  1. FTP is the abbreviated form of “File Transfer Protocol”. On the other hand, SFTP is the abbreviated form of “Secure File Transfer Protocol”.
  2. For successful transfer of files, the file transfer protocol or FTP is not capable of providing a channel that is secure between the hosts. On the other hand, for the transfer of files successfully between the hosts, the SFTP is capable of providing a highly secure channel.
  3. The FTP is an unsecured gateway that involves either IP or TCP protocol. On the other hand, the SFTP is a secured gateway that involves SSH protocol which is an application program with remote login.
  4. In the case of FTP, a higher control is established on the TCP port 21 connection. On the other hand, in the case of SFTP, the connection that is established between the server and the client is made through SSH protocol in a secured manner.
  5. The unsecured file transfer protocol possesses the FTP password only, which means that it does not support the encryption of data before sending. However, here the information and the data is sent in the form of plain text. On the other hand, the secured file transfer protocol usually encrypts the information and data before the process of sending.
  6. The file transfer protocol or FTP generally makes use of port no-21 for carrying out its operations. On the other hand, in the case of secure file transfer protocol or SFTP, it generally makes use of port no-22 for carrying out its operations.
  7. The concept of FTP is based on the direct method when the process of transfer of files is concerned. On the other hand, the concept of SFTP is based on the “tunnelling method”, especially when the process of transfer of files is concerned between different hosts.
  8. In the case of FTP, the downloading of the files along with the uploading of the files, both processes occur without the involvement of any security. On the other hand, in the case of SFTP, both the processes of uploading and downloading files is maintained with the help of SSH keys thankfully secured way.

Conclusion

The “File Transfer Protocol” is shortened to FTP. The file transfer protocol, or FTP, cannot provide a secure connection between the hosts for successful file transmission. FTP is an unprotected gateway that uses IP or TCP protocols. On the TCP port 21 connection used by FTP, a higher level of control is achieved.

Whereas the “Secure File Transfer Protocol” is abbreviated as SFTP. SFTP is capable of providing a highly secure route for successful file transfers between hosts. The Secure File Transfer Protocol (SFTP) is a secure gateway that uses the SSH protocol, which is a remote login application. When using SFTP, the server and client create a secure connection using the SSH protocol.

The FTP password is the only security feature of the unencrypted file transfer protocol, which means data cannot be encrypted before being sent. The information and data are sent in plain text here. FTP, or file transfer protocol, uses port 21 for its operations. When it comes to filing transfers, FTP is based directly. FTP allows you to download and upload files without having to worry about security.

Before transferring, the information and data are typically encrypted using the protected file transfer protocol. Secure file transfer protocol, or SFTP, operates on port 22. The “tunnelling approach” lies at the heart of the SFTP idea, particularly when it comes to filing transfers between sites. In the case of SFTP, both the uploading and downloading of files are secured using SSH keys.

References

  1. https://ieeexplore.ieee.org/abstract/document/4353899/
  2. https://www.usenix.org/system/files/login/articles/1279-cohen.pdf
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