Ethereal-dev: Re: [Ethereal-dev] patches to add interface descriptions

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From: Guy Harris <guy@xxxxxxxxxxxx>
Date: Tue, 9 Sep 2003 11:15:35 -0700

On Sep 9, 2003, at 7:36 AM, Nathan Jennings wrote:
OK, maybe even more in the "Edit interface options" interface list. On *nix with a loopback and Linux with "any", users will have at least three interfaces.
That's true only if all *nix systems have at least two non-loopback devices on which you can capture; that's not necessarily the case: 

	% ./tethereal -D
	1. en0
	2. lo0
	%
(I said "on which you can capture" as "ifconfig -a" reports some other interfaces, but they're not up and running so BPF doesn't let you bind to them; Ethereal/Tethereal report only interfaces that can be opened.)