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-.\" Copyright (c) 2006 Niclas Zeising
-.\" All rights reserved.
-.\"
-.\" Redistribution and use in source and binary forms, with or without
-.\" modification, are permitted provided that the following conditions
-.\" are met:
-.\" 1. Redistributions of source code must retain the above copyright
-.\" notice, this list of conditions and the following disclaimer.
-.\" 2. Redistributions in binary form must reproduce the above copyright
-.\" notice, this list of conditions and the following disclaimer in the
-.\" documentation and/or other materials provided with the distribution.
-.\"
-.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
-.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
-.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
-.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
-.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
-.\" SUCH DAMAGE.
-.\"
-.\" $FreeBSD$
-.\"
-.Dd May 22, 2006
-.Dt IPFWPCAP 8
-.Os
-.Sh NAME
-.Nm ipfwpcap
-.Nd "copy diverted packets to a file in tcpdump format"
-.Sh SYNOPSIS
-.Nm
-.Op Fl dr
-.Op Fl b Ar maxbytes
-.Op Fl p Ar maxpkts
-.Op Fl P Ar pidfile
-.Ar portnum
-.Ar dumpfile
-.Sh DESCRIPTION
-The
-.Nm
-utility is used to copy diverted packets to a file in
-.Xr tcpdump 1
-format.
-The interesting packets are diverted by
-.Xr ipfw 8
-to a port on which
-.Nm
-listens.
-The packets are then dropped unless
-.Fl r
-is used.
-.Pp
-The options are as follows:
-.Bl -tag -width indent
-.It Fl d
-Turns on extra debugging messages.
-.It Fl r
-Writes packets back to the
-.Xr divert 4
-socket.
-.It Fl rr
-Indicates that it is okay to quit if
-.Ar maxbytes
-or
-.Ar maxpkts
-are reached.
-Diverted packets will silently disappear if nothing is listening on the
-.Xr divert 4
-socket.
-.It Fl b Ar maxbytes
-Stop dumping after
-.Ar maxbytes
-bytes.
-.It Fl p Ar maxpkts
-Stop dumping after
-.Ar maxpkt
-packets.
-.It Fl P Ar pidfile
-File to store PID number in.
-Default is
-.Pa /var/run/ipwfpcap.portnr.pid .
-.El
-.Pp
-The
-.Ar portnum
-argument specifies which
-.Xr divert 4
-socket port to listen on.
-The
-.Ar dumpfile
-argument is the path to the file to write captured packets to.
-Specify
-.Sq Fl
-to write to stdout.
-.Sh EXIT STATUS
-.Ex -std
-.Sh EXAMPLES
-.Dl "ipfwpcap -r 8091 divt.log &"
-.Pp
-Starts
-.Nm
-as a background job listening to port 8091 and reflecting the packets
-back to the socket.
-.Pp
-.Dl "ipfw add 2864 divert 8091 ip from 192.0.2.101"
-.Pp
-Example
-.Xr ipfw 8
-rule to divert all packets from 192.0.2.101 to port 8091.
-See
-.Xr ipfw 8
-for details.
-.Sh SEE ALSO
-.Xr tcpdump 1 ,
-.Xr pcap 3 ,
-.Xr divert 4 ,
-.Xr ipfw 8
-.Sh HISTORY
-The
-.Nm
-utility first appeared in
-.Fx 7.0 .
-.Sh AUTHORS
-.An -nosplit
-.Nm
-was written by
-.An P. Kern Aq pkern@cns.utoronto.ca .
-This manual page was written by
-.An Niclas Zeising Aq niclas.zeising@gmail.com .
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