*ip;test-ip4 :output;type nat hook output priority 0 # nf_nat flags combination udp dport 53 masquerade;ok udp dport 53 masquerade random;ok udp dport 53 masquerade random,persistent;ok udp dport 53 masquerade random,persistent,random-fully;ok;udp dport 53 masquerade random,random-fully,persistent udp dport 53 masquerade random,random-fully;ok udp dport 53 masquerade random,random-fully,persistent;ok udp dport 53 masquerade persistent;ok udp dport 53 masquerade persistent,random;ok;udp dport 53 masquerade random,persistent udp dport 53 masquerade persistent,random,random-fully;ok;udp dport 53 masquerade random,random-fully,persistent udp dport 53 masquerade persistent,random-fully;ok;udp dport 53 masquerade random-fully,persistent udp dport 53 masquerade persistent,random-fully,random;ok;udp dport 53 masquerade random,random-fully,persistent # masquerade is a terminal statement tcp dport 22 masquerade counter packets 0 bytes 0 accept;fail tcp sport 22 masquerade accept;fail ip saddr 10.1.1.1 masquerade drop;fail # masquerade with sets tcp dport {1,2,3,4,5,6,7,8,101,202,303,1001,2002,3003} masquerade;ok ip daddr 10.0.0.0-10.2.3.4 udp dport 53 counter packets 0 bytes 0 masquerade;ok;ip daddr >= 10.0.0.0 ip daddr <= 10.2.3.4 udp dport 53 counter packets 0 bytes 0 masquerade iifname eth0 ct state new,established tcp dport vmap {22 : drop, 222 : drop } masquerade;ok