How to open a port in the firewall on CentOS or RHEL

Question: I am running a web/file server on my CentOS box, and to access the server remotely, I need to modify a firewall to allow access to a TCP port on the box. What is a proper way to open a TCP/UDP port in the firewall of CentOS/RHEL? Out of the box, enterprise Linux distributions … Continue reading How to open a port in the firewall on CentOS or RHEL
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