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How To Change SSH Daemon Port Number
SSH daemon port will listen to port 22 by default. To change the SSH port number, you can follow the tutorial guide.
Step 1 – Access your web server, using the default port number 22 or existing port number.
Step 2 – Edit the sshd configuration.
vi /etc/ssh/sshd_config
Step 3 – Search for the line below and modify the port number to your desired port number.
#Port 22
to
Port 8822
Step 4 – You must ensure your server’s firewall is not blocking your new port number. Execute the following commands and restart sshd service.
iptables -A INPUT -ptcp --dport 8822-jACCEPT
iptables -A OUTPUT -ptcp --sport 8822 -jACCEPT
service iptables save
/etc/init.d/sshd restart