Hi Richard,

On 05 May 2014, at 14:21, Richard Thornton <richie.thorn...@gmail.com> wrote:

> Does anybody know of any integration between PF and ndpi?

the previous consensus[1] was that pf(4) and DPI do not mix very well, but
you can probably use relayd(8) and run e.g. NDPI on top[2].  Grabbing all
traffic is not really fast, especially with no multithreading inside pf(4).

A quick alternative would be netmap(4), but that's not available for OpenBSD.

> If there is nothing out there, would it be a lot of work, is ndpi already
> working in OpenBSD?

It's *a lot* of work, especially when you want 1G and up.


Cheers,
Franco

[1] http://marc.info/?t=136735045200001&r=1&w=2
[2] http://quigon.bsws.de/papers/2013/vbsdcon/

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