How to Change the SSH Port for a Linux Server

Описание: #SSHPort #vpshosting #firewall
Port 22 is used to establish an SSH connection by default. You can strengthen the server security by modifying the SSH port to prevent brute-force attacks. In this video, we will show you how to change the SSH Port for a Linux Server.

Commands to be run on Linux servers:
Go to the SSH configuration file: sshd_config.
vi /etc/ssh/sshd_config
Save the configuration file and exit with the command ":wq".
For CentOS:
Enable the new port with command # firewall-cmd --add-port=xxxxx/tcp --permanent
Reload with command firewall-cmd --reload
Restart the SSH service via the following command
service sshd restart

Related Guidance:
How to Connect to Linux Server via Putty
   • How to Connect to Linux Server via Putty  
How to Secure a Linux Server
https://portal.databasemart.com/kb/a7...

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