From: Julian Assange <proff@suburbia.net>
Date: Sat, 13 Jan 1996 01:35:56 +0800
To: jya@pipeline.com (John Young)
Subject: Re: Shimomura on BPF
In-Reply-To: <199601120029.TAA28014@pipe3.nyc.pipeline.com>
Message-ID: <199601121223.XAA04718@suburbia.net>
MIME-Version: 1.0
Content-Type: text


>    Shimomura on BPF, NSA and Crypto:
> 
>    One of the tools I modified for my work was a sophisticated
>    piece of software called the Berkeley Packet Filter. ...
>    Unlike the original BPF, my version was designed to bury
     ^^^^^^^^^^^^^^^^^^^^^^^
>    itself inside the operating system of a computer and watch
>    for certain information as it flowed through the computer
>    from the Internet. When a packet from a certain address, or
>    for that matter any other desired piece of information
>    designated by the user flashed by, BPF would grab it and
>    place it in a file where it could be kept for later
>    viewing.

This is *exactly* what BPF does, always did and was designed to do. As
for writing the packets to a file, everything but opening and closing
the file are described in the man page. You could code it in 10 lines.

+----------------------------------+-----------------------------------------+
|Julian Assange                    | "if you think the United  States has    |
|FAX: +61-3-9819-9066              |  stood still, who built the largest     |
|EMAIL: proff@suburbia.net         |  shopping centre in the world?" - Nixon |
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