SSH Server on FreeBSD - Shell-Bash

If you are a programmer working on a FreeBSD system, you might need to set up an SSH server for remote access. This guide will walk you through the process of installing and configuring an SSH server on FreeBSD using the Shell-Bash.

Prerequisites

Before you begin, you should have the following:

• A FreeBSD system with root access
• A working internet connection

Installing SSH Server

To install the SSH server on FreeBSD, follow these steps:

1. Open the Shell-Bash on your FreeBSD system.

2. Install the SSH server package using the following command:

   pkg install openssh-server
   

3. Once the installation is completed, you need to enable the SSH service by adding the following line to the /etc/rc.conf file:

   sshd_enable=YES
   

4. Finally, start the SSH service using the following command:

   service sshd start
   

Congratulations! You have successfully installed and configured the SSH server on FreeBSD.

Configuring SSH Server

After installing the SSH server, you might want to configure it to suit your specific needs. The SSH server configuration file is located at /etc/ssh/sshd_config. You can modify the configuration file using a text editor like vi or nano.

Here are some common configurations you might want to consider:

Changing the SSH port

By default, the SSH server listens on port 22. To change the SSH port, modify the following line in the sshd_config file:

#Port 22

Uncomment the line by removing the # character and change the port number to the desired value. For example:

Port 2222

Allowing root user to log in

By default, the SSH server does not allow the root user to log in. To enable root login, modify the following line in the sshd_config file:

#PermitRootLogin no

Change no to yes:

PermitRootLogin yes

Disabling password authentication

Using password authentication for SSH login is not recommended as it is less secure than other methods such as public key authentication. To disable password authentication, modify the following line in the sshd_config file:

#PasswordAuthentication yes

Change yes to no:

PasswordAuthentication no

Conclusion

In this guide, you have learned how to install and configure the SSH server on FreeBSD using the Shell-Bash. You have also learned some common configurations that might be useful for your specific needs. By enabling SSH server on your FreeBSD system, you can now connect to it remotely and perform tasks from anywhere in the world.