Provided by: dsniff_2.4b1+debian-32build2_amd64 

NAME
msgsnarf - sniff chat messages
SYNOPSIS
msgsnarf [-i interface | -p pcapfile] [[-v] pattern [expression]]
DESCRIPTION
msgsnarf records selected messages from AOL Instant Messenger, ICQ 2000, IRC, MSN Messenger, or Yahoo
Messenger chat sessions.
OPTIONS
-i interface
Specify the interface to listen on.
-p pcapfile
Process packets from the specified PCAP capture file instead of the network.
-v "Versus" mode. Invert the sense of matching, to select non-matching messages.
pattern
Specify regular expression for message matching.
expression
Specify a tcpdump(8) filter expression to select traffic to sniff.
SEE ALSO
dsniff(8)
AUTHOR
Dug Song <dugsong@monkey.org>
MSGSNARF(8)