which firewall product?

Kinkaid, Kyle kkinkaid at usgs.gov
Tue Jul 30 22:28:05 UTC 2013

Hi Bill,

I found nDPI (http://www.ntop.org/products/ndpi/) lists IP in IP as a
supported protocol.  That doesn't fit your requirement that it be an
appliance but maybe it gets you going in the right direction.


On Tue, Jul 30, 2013 at 1:38 PM, William Herrin <bill at herrin.us> wrote:

> On Tue, Jul 30, 2013 at 4:19 PM, Michael Brown <michael at supermathie.net>
> wrote:
> > In the pfSense UI, you create the physical interface as a GRE tunnel
> > then assign it to a logical interface against which you can apply the
> firewall rules:
> Thanks all. To be clear: I'm dealing with IPIP packets, not GRE
> packets. Linux LVS emits IPIP encapsulated packets when the target
> server is non-local. I have no option to emit GRE or another kind of
> tunnel packet.
> Also, I'd prefer not to terminate the IPIP tunnel on the firewall. I
> can, but I'd prefer not to. What I want to do is look inside at the
> packet encapsulated by IPIP. Even if I have to hand-crank the rules in
> terms of byte X inside the packet should be value Y.
> Thanks again,
> Bill Herrin
> --
> William D. Herrin ................ herrin at dirtside.com  bill at herrin.us
> 3005 Crane Dr. ...................... Web: <http://bill.herrin.us/>
> Falls Church, VA 22042-3004

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