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Article #413

Re: Snooping on PPP modem connection.

#413
From: Ian Stirling
Date: Mon, 13 Apr 1998 00:00
25 lines
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Mark Blackman <tmb@maddog.u-net.com> wrote:
: In demon.tech.unix Ian Stirling <0000352FECBD.NO_UCE@mauve.demon.co.uk> wrote:
:> Anyone know how to take raw bytestreams, and produce a tcpdump-like
:> dump of the packets going over a PPP connection? Preferably without
:> having to write a PPP stack.

: If it's convenient to setup, you could use FreeBSD's 
: (http://www.freebsd.org) built-in support for ppp connections
: in tcpdump. i.e. with FreeBSD

: tcpdump -i tun0

: shows all packets passing through the tun0 (ppp) interface.

Indeed, that would work if I had access to the server, and it was running
FreeBSD.
However, I'm trying to transparently snoop on the connection, so
any solution that involves connecting in another PPP stack will fail,
as it makes it non-transparent.

-- 
Ian Stirling.   Designing a linux PDA, see  http://www.mauve.demon.co.uk/
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From: Ian Stirling <000035326686.NO_UCE@mauve.demon.co.uk>
Subject: Re: Snooping on PPP modem connection.
Date: 1998/04/13
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