WireGuard connecting hosts WAN->LAN

Germano Massullo germano.massullo at gmail.com
Sat Mar 14 21:43:24 CET 2020

Il 14/03/20 19:16, Luis Ressel ha scritto:
> On Sat, Mar 14, 2020 at 04:33:44PM +0100, Germano Massullo wrote:
>> I want to:
>> 1) connect A to C passing through B. I don't want to expose C to
>> internet at all, (so no things like port forwarding)
>> 2) A must have C public key (and viceversa), so in case of B being
>> compromised, the A<->C VPN will not be compromised.
> The answer you quoted is correct. If you don't wish to set up port
> forwarding, and C is thus not accessible from the internet at all, A
> can't establish a tunnel with it.
> You may want to consider setting up two tunnels on A:
> * wg0 with B as the peer
> * wg1 with C as the peer
> and then route the encrypted packets of wg1 through wg0. The
> disadvantage of this is that you're encrypting every packet twice, which
> hurts performance and lowers the tunnel MTU.
> Cheers,
> Luis

Hi Luis, thank you for the explanation
Have a nice day

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