OpenHPC: Configure Firewalld

Configuring Firewalld to forward traffic between Internal and External Interfaces

firewall-cmd --zone=external --add-interface=eno2 --permanent
firewall-cmd --zone=internal --add-interface=eno1 --permanent

firewall-cmd --zone=external --add-masquerade --permanent
firewall-cmd --permanent --direct --passthrough ipv4 -t nat -I POSTROUTING -o eno2 -j MASQUERADE -s 10.10.10.0/24
firewall-cmd --permanent --zone=internal --add-service=dhcp
firewall-cmd --permanent --zone=internal --add-service=tftp
firewall-cmd --permanent --zone=internal --add-service=dns
firewall-cmd --permanent --zone=internal --add-service=http
firewall-cmd --permanent --zone=internal --add-service=nfs
firewall-cmd --permanent --zone=internal --add-servive=ssh
firewall-cmd --permanent --zone=internal --add-service=ssh
firewall-cmd --complete-reload
firewall-cmd --list-all-zones