IFirewall engantsonkothanga (UFW) yinkqubo yokulawula i-firewall ye-netfilter eyilelwe ukuba ibe lula ukuyisebenzisa. Isebenzisa ujongano lomgca womyalelo oquka inani elincinci lemiyalelo elula, kwaye isebenzisa iiptables zoqwalaselo. I-UFW ifumaneka ngokungagqibekanga kuzo zonke iifakelo ze-Ubuntu emva kwe-8.04 LTS.