1.\" Copyright (c) 2006 Niclas Zeising
2.\" All rights reserved.
3.\"
4.\" Redistribution and use in source and binary forms, with or without
5.\" modification, are permitted provided that the following conditions
6.\" are met:
7.\" 1. Redistributions of source code must retain the above copyright
8.\" notice, this list of conditions and the following disclaimer.
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17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23.\" SUCH DAMAGE.
24.\"
25.\" $FreeBSD: head/usr.sbin/ipfwpcap/ipfwpcap.8 158822 2006-05-22 07:36:45Z joel $
26.\"
27.Dd May 22, 2006
28.Dt IPFWPCAP 8
29.Os
30.Sh NAME
31.Nm ipfwpcap
32.Nd "copy diverted packets to a file in tcpdump format"
33.Sh SYNOPSIS
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49to a port on which
50.Nm
51listens.
52The packets are then dropped unless
53.Fl r
54is used.
55.Pp
56The options are as follows:
57.Bl -tag -width Ds
58.It Fl d
59Turns on extra debugging messages.
60.It Fl r
61Writes packets back to the divert socket.
62.It Fl rr
63Indicates that it is okay to quit if
64.Ar maxbytes
65or
66.Ar maxpkts
67are reached.
68Diverted packets will silently disappear if nothing is listening on the
69divert socket.
70.It Fl b Ar maxbytes
71Stop dumping after
72.Ar maxbytes
73bytes.
74.It Fl p Ar maxpkts
75Stop dumping after
76.Ar maxpkt
77packets.
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85.Ar portnum
86argument specifies which
87.Xr divert 4
88socket port to listen on.
89The
90.Ar dumpfile
91argument is the path to the file to write captured packets to.
92Specify
93.Sq Li -
94to write to stdout.
95.Sh EXIT STATUS
96.Ex -std
97.Sh EXAMPLES
98.Dl ipfwpcap -r 8091 divt.log &
99.Pp
100Starts
101.Nm
102as a background job listening to port 8091 and reflecting the packets
103back to the socket.
104.Pp
105.Dl ipfw add 2864 divert 8091 ip from 192.168.1.101
106.Pp
107Example
108.Xr ipfw 8
109rule to divert all packets from 192.168.1.101 to port 8091.
110See
111.Xr ipfw 8
112for details.
113.Sh SEE ALSO
114.Xr tcpdump 1 ,
115.Xr pcap 3 ,
116.Xr divert 4 ,
117.Xr ipfw 8
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2.\" All rights reserved.
3.\"
4.\" Redistribution and use in source and binary forms, with or without
5.\" modification, are permitted provided that the following conditions
6.\" are met:
7.\" 1. Redistributions of source code must retain the above copyright
8.\" notice, this list of conditions and the following disclaimer.
--- 8 unchanged lines hidden (view full) ---
17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23.\" SUCH DAMAGE.
24.\"
25.\" $FreeBSD: head/usr.sbin/ipfwpcap/ipfwpcap.8 158822 2006-05-22 07:36:45Z joel $
26.\"
27.Dd May 22, 2006
28.Dt IPFWPCAP 8
29.Os
30.Sh NAME
31.Nm ipfwpcap
32.Nd "copy diverted packets to a file in tcpdump format"
33.Sh SYNOPSIS
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49to a port on which
50.Nm
51listens.
52The packets are then dropped unless
53.Fl r
54is used.
55.Pp
56The options are as follows:
57.Bl -tag -width Ds
58.It Fl d
59Turns on extra debugging messages.
60.It Fl r
61Writes packets back to the divert socket.
62.It Fl rr
63Indicates that it is okay to quit if
64.Ar maxbytes
65or
66.Ar maxpkts
67are reached.
68Diverted packets will silently disappear if nothing is listening on the
69divert socket.
70.It Fl b Ar maxbytes
71Stop dumping after
72.Ar maxbytes
73bytes.
74.It Fl p Ar maxpkts
75Stop dumping after
76.Ar maxpkt
77packets.
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85.Ar portnum
86argument specifies which
87.Xr divert 4
88socket port to listen on.
89The
90.Ar dumpfile
91argument is the path to the file to write captured packets to.
92Specify
93.Sq Li -
94to write to stdout.
95.Sh EXIT STATUS
96.Ex -std
97.Sh EXAMPLES
98.Dl ipfwpcap -r 8091 divt.log &
99.Pp
100Starts
101.Nm
102as a background job listening to port 8091 and reflecting the packets
103back to the socket.
104.Pp
105.Dl ipfw add 2864 divert 8091 ip from 192.168.1.101
106.Pp
107Example
108.Xr ipfw 8
109rule to divert all packets from 192.168.1.101 to port 8091.
110See
111.Xr ipfw 8
112for details.
113.Sh SEE ALSO
114.Xr tcpdump 1 ,
115.Xr pcap 3 ,
116.Xr divert 4 ,
117.Xr ipfw 8
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