1 These extensions can be used if `\-\-protocol udp' is specified. It 2 provides the following options: 3 .TP 4 [\fB!\fP] \fB\-\-source\-port\fP,\fB\-\-sport\fP \fIport\fP[\fB:\fP\fIport\fP] 5 Source port or port range specification. 6 See the description of the 7 \fB\-\-source\-port\fP 8 option of the TCP extension for details. 9 .TP 10 [\fB!\fP] \fB\-\-destination\-port\fP,\fB\-\-dport\fP \fIport\fP[\fB:\fP\fIport\fP] 11 Destination port or port range specification. 12 See the description of the 13 \fB\-\-destination\-port\fP 14 option of the TCP extension for details. 15