| 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 " "\fIport\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 " "\fIport\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 " "\fIport\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. |
