What Is Default SFTP Port and How To Change SFTP Port Number?

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SFTP is secure version of the FTP . SFTP provides encrypted channel with the remote server. This makes authentication and data transfer more secure than FTP. SFTP protocol is generally provided by SSH servers by default. In this tutorial we will learn the default SFTP port and how to change it to different one.

Linux Sftp Command With Examples

SFTP Default Port TCP 22

SFTP is a subsystem of the SSH service or daemon. So this makes SFTP to listen TCP 22 port. We can use following sftp command to connect remote system sftp service.

SFTP Default Port TCP 22
SFTP Default Port TCP 22

Change Default SFTP Port

If we want to change default SFTP port we need to change SSH configuration which will also change default SSH port. We need to open SSH config file /etc/ssh/sshd_config and change

To whatever we want. In this example we change to the 2222 . This configuration will be more secure because it is harder to find by attackers.

Change Default SFTP Port
Change Default SFTP Port

After we changed the configuration  file we need to make active the new configuration. We should restart the SSH services which will reread the configuration file and use new SFTP port number. We will use systemctl command but other service management commands are welcomed.

SSH Service
SSH Service

SFTP vs FTPS/SSL

As stated previous SFTP is a function of the SSH protocol. So it is different than FTP mechanism. As FTP is not a secure or encrypted protocol it provides some security mechanism like SSL tunnelling. FTPS or FTP SSL is secured version of FTP and shouldn’t be confused with SFTP. FTPS listen for regular FTP port 21 or whatever it is configured.

LEARN MORE  How To Install and Configure Openssl Suite On Windows

SFTP2

As SSH have two main versions name 1 and 2 SFTP is related with SSH. So in order to express an SFTP which works on only over SSHv2 we generally use SFTP2 . In other way SFTP2 will only work with `SSH version 2 services.

FTP/SSL, FTP/TLS, FTP over SSL, FTP over TLS, FTPS

All of these may seem same as SFTP but they are not. They are used for FTP connections over SSL/TLS tunnels. They are different protocols. And they are using different port than SFTP. They uses FTP port which is TCP 21 .

TFTP

TFPT is a way different protocol which is similar to the FTP but provides less options. TFTP do no have any encryption or similar functions to secure remote data transfer. To get more details about TFTP please read following tutorial.

How To Install, Configure and Run Linux Tftp Client

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