Use the specified filter expression when capturing traffic.
The filter syntax is beyond the scope of this manual page;
please refer to the
-.BR tcpdump (8)
+.BR tcpdump (1)
documentation.
.\"
.TP
.PP
.\"
(For a full reference on filter syntax, refer to the
-.BR tcpdump (8)
+.BR tcpdump (1)
manpage)
.PP
.\"
an appropriate netmask.
.\"
.SH SEE ALSO
-.BR tcpdump (8)
+.BR tcpdump (1)
.\"
.SH HISTORY
.I darkstat