Re: [ILUG] Checking for IP protocols

From: Martin Feeney (martin at domain tuatha.org)
Date: Mon 03 Sep 2001 - 10:29:28 IST


On Sun, 02 Sep 2001 10:51:20 Paul Jakma wrote:

> if the protocol is supported the kernel, (eg via a socket() domain)
> then netstat should support it too and display it.

Unfortunately not, the app I was trying to monitor is a purely userspace
solution (sitting on top of ppp).

> if the kernel doesn't support it, then the app must be using a raw
> socket, and tools that query the kernel will only ever find out it's
> a 'raw' socket.

Ah, OK. Makes sense.

> only way then to find out is to snoop on the traffic itself ->
> tcpdump.

Was doing that, but see previous mail as to why it's insufficient.

Thanks,

Martin.



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