-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