full-disclosure - Re: pcap flow extraction

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Date: Thu, 06 Dec 2007 08:09:59 +0000
From: "SilentRunner" <silentrunner@...hmail.com>
To: <full-disclosure@...ts.grok.org.uk>,<ivanhec@...il.com>
Subject: Re: pcap flow extraction

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yeah, we get this problem in win32 all the time - notepad drops
it's knickers everytime it sees a large file and the OS almost
locks up waiting for a response.

To solve the problem I pre-process the file with scripts written in
VBScript. You can easily write a script to skim off the first few
kb of the file so you can work out the file format and then use
that to parse out the entire file, only writing out the bit's you
are interested in to a far smaller file.

Alternatively, you can have your script write out all the data in a
format that can be BCP'd into a DB that can handle big recordsets
and then run SELECT statements as you like to get the data out.

Cheers

SR

On Thu, 06 Dec 2007 07:35:42 +0000 "Ivan ." <ivanhec@...il.com>
wrote:
>Hi,
>
>Does anyone have any ideas for flow information extraction from a
>rather
>large pcap file, 6 gigs?
<snip>
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