Firewall Uncomplicated (UFW) waa barnaamij lagu maamulayo netfilter firewall looguna talagalay in si fudud loo isticmaalo. Waxay isticmaashaa interface-line interface oo ka kooban tiro yar oo amarro fudud ah, waxayna u isticmaashaa iptables qaabeynta. UFW waxaa si toos ah loogu heli karaa dhammaan rakibaadda Ubuntu kadib 8.04 LTS.