.IP \fBtp_dst=\fIport\fR
Matches UDP or TCP destination port \fIport\fR.
+.IP \fBicmp_type=\fItype\fR
+Matches ICMP message with \fItype\fR, which should be specified as a decimal
+number between 0 and 255, inclusive.
+
+.IP \fBicmp_code=\fIcode\fR
+Matches ICMP messages with \fIcode\fR.
+
.PP
The following shorthand notations are also available: