Allowing Services

Add dhcp service

firewall-cmd --add-service=dhcp --permanent 
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note. Adding the --permanent flag allows the change to be enabled even when the system is rebooted

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Apply Changes

firewall-cmd --reload

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firewall-cmd --list-all

note. If there is a network issue, check the nmtui GUI or the dhcpd.conf file


sudo dhcpd -t -cf /etc/dhcp/dhcpd.conf

sudo pkill dhcpd

sudo systemctl start dhcpd

ntmui GUI

dhcp.conf