I-Uncomplicated Firewall (UFW) wuhlelo lokuphatha i-netfilter firewall eklanyelwe ukuthi ibe lula ukuyisebenzisa. Isebenzisa isixhumi esibonakalayo somugqa womyalo ohlanganisa inombolo encane yemiyalo elula, futhi isebenzisa ama-iptable ukumisa. I-UFW itholakala ngokuzenzakalelayo kukho konke ukufakwa kwe-Ubuntu ngemva kwe-8.04 LTS.