Re: which firewall product?

[William Herrin <bill () herrin us>]

On Tue, Jul 30, 2013 at 4:19 PM, Michael Brown <michael () 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



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