How To Change SSH Port in Linux

Open and edit the SSH daemon configuration file · Bind SSH daemon to the new port · Verify the bind to the new port · Update your firewall · Verify Change by Login.

This article is a walkthrough of changing default port on CentOS Stream 9 an upstream for Red Hat Enterprise Linux (RHEL) 9.

Step 1: First, open /etc/ssh/sshd_config and search for the following Port 229 and make sure to choose an unused/not-well-known port (at least > ... How to Change SSH Port on... · How to change SSH port on...

To allow sshd running on different port than default 22, you need to adjust SELinux policy, otherwise it will be blocked from binding the port.

What you should have done (you don't mention it) is change the Port directive in /etc/ssh/sshd_config as well as the port to allow in iptables.

1) Make a backup of the sshd config file (optional but a good idea): · 2) edit the sshd_config file to include your alternate port · 3) Open the ...

I change port to 2222. Then I restart. · Use nmap and scan your host to check if port 2222 is open and sshd is listening. If not, you need to ...

Try first of all to see which port your daemon is listening on: ss -lntp | grep ssh. This will show whether it is listening on a port, and on which port.

It looks like your iptables aren't configured to allow on port 2345, only on 22, which is passed through with the rule

1. make sure you restart the service after any changes to the config file. · 3. Check for a Port option in either the system wide /etc/ssh_config ...