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+This module matches a set of source or destination ports.  Up to 15
+ports can be specified.  A port range (port:port) counts as two
+ports.  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:port\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:port\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:port\fP...]]"
+Match if either the source or destination ports are equal to one of
+the given ports.