This module matches a set of source or destination ports. Up to 15 ports can be specified. It can only be used in conjunction with .B "-p tcp" or .BR "-p udp" . .TP .BR "--source-ports " "\fI[!] port\fP[,\fIport\fP[,\fIport\fP...]]" Match if the source port is one of the given ports. The flag .B --sports is a convenient alias for this option. .TP .BR "--destination-ports " "\fI[!] port\fP[,\fIport\fP[,\fIport\fP...]]" Match if the destination port is one of the given ports. The flag .B --dports is a convenient alias for this option. .TP .BR "--ports " "\fI[!] port\fP[,\fIport\fP[,\fIport\fP...]]" Match if the both the source and destination ports are equal to each other and to one of the given ports.