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How to Open Port for a Specific IP Address in Firewalld

How can I allow traffic from a specific IP address in my private network or allow traffic from a specific private network through firewalld , to a specific port or service on a Red Hat Enterprise Linux ( RHEL ) or CentOS server?

Originally Published at https://www.tecmint.com/open-port-for-specific-ip-address-in-firewalld/