Redhat 8 open HTTP port 80 and HTTPS port 443 with firewalld - LinuxConfig.org

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This article explains how to open HTTP port 80 and HTTPS port 443 on RHEL 8 system with the firewalld firewall. HTTP and HTTPS protocols are primarily used by web services such as, but not limited to, Apache or Nginx web serves.
This is a companion discussion topic for the original entry at https://linuxconfig.org/redhat-8-open-http-port-80-and-https-port-443-with-firewalld