Better check if the knob is defined or has no value.
Better check if the knob is defined or has no value.

dennypage/pfsense,ch1c4um/pfsense,dennypage/pfsense,ptorsten/pfsense,NOYB/pfsense,ptorsten/pfsense,pfsense/pfsense,ch1c4um/pfsense,pfsense/pfsense,brunostein/pfsense,jxmx/pfsense,BlackstarGroup/pfsense,jxmx/pfsense,NewEraCracker/pfsense,dennypage/pfsense,brunostein/pfsense,NewEraCracker/pfsense,BlackstarGroup/pfsense,phil-davis/pfsense,NOYB/pfsense,phil-davis/pfsense,ch1c4um/pfsense,phil-davis/pfsense,dennypage/pfsense,NewEraCracker/pfsense,phil-davis/pfsense,pfsense/pfsense,ptorsten/pfsense,pfsense/pfsense,jxmx/pfsense,ch1c4um/pfsense,NewEraCracker/pfsense,BlackstarGroup/pfsense,NOYB/pfsense,BlackstarGroup/pfsense,brunostein/pfsense