Set up Rsyslog on Red Hat Linux

Today we are setting up a rsyslog server, very simple and fun.
Redhat linux

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[diaamohamed]

Thanks for your video, your tutorial help me to solve my issue in scenario like you described, my issue here that nmap on client side doesn't appear that server side listen on the rsyslog port number 514, plus when I created the following "sudo iptables -A INPUT -p tcp --dport 514 -j ACCEPT "command doesn't take affect like firewall-cmd command.
I already checked the iptables sytantax and commands and seems everything is Okay, thanks to clarify why you are using the firewall-cmd command :)