Chain INVALID (2 references) target prot opt source destination INVDROP all -- anywhere anywhere ctstate INVALID INVDROP tcp -- anywhere anywhere tcp flags:FIN,SYN,RST,PSH,ACK,URG/NONE INVDROP tcp -- anywhere anywhere tcp flags:FIN,SYN,RST,PSH,ACK,URG/FIN,SYN,RST,PSH,ACK,URG INVDROP tcp -- anywhere ...