"Unknown input file format"

From: Mercia Eliane Bittencourt Figueredo (mercia@ufba.br)
Date: 09/12/01

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    Message-Id: <>
    Date: Wed, 12 Sep 2001 17:57:59 -0300
    From: Mercia Eliane Bittencourt Figueredo <mercia@ufba.br>
    Subject: "Unknown input file format"

    Im have a slackware 8.0 and I am trying to use the tcptrace, but it doesnot
    it is the error message:
    root@amazonia:/var/adm# tcpdump -w ttt.dmp
    tcpdump: listening on atm0

    root@amazonia:/var/adm# tcptrace -l ttt.dmp
    1 arg remaining, starting with 'ttt.dmp'
    Ostermann's tcptrace -- version 6.0.0a5 -- Tue Apr 10, 2001

    Unknown input file format
    Supported Input File Formats:
            tcpdump tcpdump -- Public domain program from LBL
            snoop Sun Snoop -- Distributed with Solaris
            etherpeek etherpeek -- Mac sniffer program
            netmetrix Net Metrix -- Commercial program from HP
            ns ns -- network simulator from LBL
            netscout NetScout Manager format

    I have tryed with : tcpdump-3.6.2.tar.gz,libpcap-0.6.2.tar.gz and
    tcpdump-current.tar.gz ,libpcap-current.tar.gz

    I have used ethereal-0.8.19 to read the tcpdump file and it works...

    Please, help me


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