-m ip_conntrack_talk -m ip_nat_talk
-p tcp -m state --state ESTABLISHED --tcp-flags SYN,ACK,RST,URG ACK
-p tcp -m state --state ESTABLISHED --tcp-flags SYN,FIN,RST,URG,PSH RST
-m string --string test_pattern
-m string --string test_pattern
-p tcp ! --syn -dport 5190 -m state --state NEW