[Swan] IPv6 Question

Paul Wouters paul at nohats.ca
Wed Jul 13 22:58:42 EEST 2022

On Wed, 13 Jul 2022, Mirsad Goran Todorovac wrote:

> But I can't seem to find how to prevent Win 10 VPN client from trying to 
> establish a NAT connection. I will try more Googling.

The IKEv2 spec allows to use port 4500 even if there is no NAT, and it
states one should always accept packets on the port. So libreswan should
be doing that. If it is not listening to the IPv6 port 4500 per default,
that's a bug.

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