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31 .Nd "copy diverted packets to a file in tcpdump format"
43 utility is used to copy diverted packets to a file in
46 The interesting packets are diverted by
51 The packets are then dropped unless
55 The options are as follows:
56 .Bl -tag -width indent
58 Turns on extra debugging messages.
60 Writes packets back to the
64 Indicates that it is okay to quit if
69 Diverted packets will silently disappear if nothing is listening on the
81 File to store PID number in.
83 .Pa /var/run/ipwfpcap.portnr.pid .
88 argument specifies which
90 socket port to listen on.
93 argument is the path to the file to write captured packets to.
100 .Dl "ipfwpcap -r 8091 divt.log &"
104 as a background job listening to port 8091 and reflecting the packets
107 .Dl "ipfw add 2864 divert 8091 ip from 192.0.2.101"
111 rule to divert all packets from 192.0.2.101 to port 8091.
123 utility first appeared in
129 .An P. Kern Aq Mt pkern@cns.utoronto.ca .
130 This manual page was written by
131 .An Niclas Zeising Aq Mt zeising@FreeBSD.org .