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+:postrouting;type nat hook postrouting priority 0
+
+*ip;test-ip4;postrouting
+
+# 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,fully-random;ok;udp dport 53 masquerade random,fully-random,persistent
+udp dport 53 masquerade random,fully-random;ok
+udp dport 53 masquerade random,fully-random,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,fully-random;ok;udp dport 53 masquerade random,fully-random,persistent
+udp dport 53 masquerade persistent,fully-random;ok;udp dport 53 masquerade fully-random,persistent
+udp dport 53 masquerade persistent,fully-random,random;ok;udp dport 53 masquerade random,fully-random,persistent
+
+# using ports
+ip protocol 6 masquerade to :1024;ok
+ip protocol 6 masquerade to :1024-2048;ok
+
+# 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 masquerade;ok
+iifname "eth0" ct state established,new tcp dport vmap {22 : drop, 222 : drop } masquerade;ok