>>>>> "Rick" == Rick Crawford <[EMAIL PROTECTED]> writes:
    Rick> Can you give me any doc on the file format produced by "tcpdump
    Rick> -w"?

    Rick> The "-t" option won't suppress timestamps there, so how may bytes
    Rick> comprise a timestamp, and how should they be interpreted?

    Rick> Most importantly, is each packet record a fixed length?

    Rick> If (hopefully) so, what's the length for IP vs. Ethernet packets,
    Rick> and is the format just a raw dump of the header, or has tcpdump
    Rick> already "interpreted" it (and if so, how do I interpret that)?

    Rick> Desperately seeking guidance,

  tcpdump -w format is written in libpcap format.
  "man 3 pcap" 

  The records are not fixed length.

]       ON HUMILITY: to err is human. To moo, bovine.           |  firewalls  [
]   Michael Richardson, Sandelman Software Works, Ottawa, ON    |net architect[
] [EMAIL PROTECTED] http://www.sandelman.ottawa.on.ca/ |device driver[
] panic("Just another NetBSD/notebook using, kernel hacking, security guy");  [

  
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