On Sun, Dec 3, 2017 at 11:13 AM, Thomas Link <l...@gmx.de> wrote:

> Hi all,
>
> 
>
> I'm running an OpenWRT (Barrier Breaker) Internet router on a broadband
> connection providing Dual stack light IPv6. I require access to my network
> based on IPv4, therefor I'm using a service provider to provide an static
> IPv4 address which connects via an OpenVPN tunnel via IPv6 to my internet
> router.
>
>
> I was planning to use fwknopd (running on OpenWRT) to allow SSH access to
> some internal hosts I configured fwknopd to monitor tun0, , but I can't get
> it work.
>

I haven't tried monitoring an interface like tun0, but I wonder if there
might be an issue detecting the link type assuming you are using fwknopd in
pcap mode (instead of UDP only mode). If you run fwknopd manually with
'fwknopd -i tun0 -v -f' and you send a SPA packet, does fwknopd seem to see
it?

Thanks,

--Mike



>
> Is this kind of setup, when fwknopd is supposed to detect an SPA incoming
> from an establied OpenVPN tunnel supposed to work? Or even better has
> someone already get it working and may point me in the right direction?
>
>
> Regards
>
> Thomas
>
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