OpenSSH is a widely used implementation of the SSH protocol suite. It is included with most Unix-like operating systems and can be used for secure remote access, file transfer, and tunneling. In this tutorial, we will show you how to install the OpenSSH SFTP server on OpenBSD.
Before we begin, make sure that you have the following:
OpenBSD comes with an OpenSSH server installed by default, but it may not be the latest version. To install the latest version of OpenSSH, run the following command:
$ sudo pkg_add openssh
This will install the latest version of OpenSSH and its dependencies.
To enable SFTP (Secure File Transfer Protocol) on OpenSSH, you need to modify the sshd_config file located at /etc/ssh. Open the file in your favorite text editor:
$ sudo vi /etc/ssh/sshd_config
Find the line that says Subsystem sftp /usr/libexec/sftp-server and uncomment it by removing the # at the beginning of the line. If the line does not exist, add it to the end of the file:
Subsystem sftp /usr/libexec/sftp-server
Save and close the file.
To apply the changes you made to the sshd_config file, you need to restart the OpenSSH server. Run the following command:
$ sudo /etc/rc.d/sshd restart
This will restart the OpenSSH server and enable SFTP.
To test whether SFTP is working, you can use an SFTP client such as FileZilla or WinSCP. Connect to your OpenBSD server using SFTP and ensure that you can upload and download files.
Congratulations! You have successfully installed and configured the OpenSSH SFTP server on OpenBSD.
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