.TP
\fB--source-port\fR,\fB--sport \fR[\fB!\fR] \fIport\fR[\fB:\fIport\fR]
.TP
\fB--destination-port\fR,\fB--dport \fR[\fB!\fR] \fIport\fR[\fB:\fIport\fR]
.TP
\fB--dccp-types\fR [\fB!\fR] \fImask\fP
Match when the DCCP packet type is one of 'mask'. 'mask' is a comma-separated
list of packet types.  Packet types are: 
.BR "REQUEST RESPONSE DATA ACK DATAACK CLOSEREQ CLOSE RESET SYNC SYNCACK INVALID" .
.TP
\fB--dccp-option\fR [\fB!\fR\] \fInumber\fP
Match if DCP option set.
