Wireshark-dev: Re: [Wireshark-dev] A more concise capture options dialog for 1.8
From: Guy Harris <[email protected]>
Date: Mon, 16 Jul 2012 10:03:01 -0700
On Jul 16, 2012, at 9:56 AM, Michael Tuexen wrote:

> One problem with a global capture filter is, that it might apply to some interfaces,
> but not to all. That is why we make the capture filter a "per interface" setting.
> This way we can check if it makes sense (showing it with a green or red background).

And if it's global, you can attempt to compile it with the link-layer header types for all of the selected interfaces and show it with a red background if any of those attempts fail.