Le 30/08/2021 à 18:43, Roman Mamedov a écrit :
On Mon, 30 Aug 2021 12:24:01 +0200
Daniel <t...@tootai.net> wrote:

Using tcpdump -i any I see the trafic coming to the gre interface and
that's all. But netstat show

udp6       0      0 :::12345 :::*
0          125391     -

and ps aux output is

dh@peech:~$ ps ax|grep wg
     6969 ?        I<     0:00 [wg-crypt-wig4to]
     7026 ?        I      0:00 [kworker/1:2-wg-kex-wig4tootai]

Question: is wireguard really listening on all ipv6 addresses ? If not,
how is the address choosen ?
Yes it does.


You seem to have some very complex setup, I suggest to look into whether you
send replies from the interface you expect them to. If you use wg-quick, maybe
switch to just wg and set up manually and with careful intent of each action,
as wg-quick might not have in mind some aspect of your setup.

I don't use wg-quick: interface setup is done in interfaces file and reading conf file from there.

To be sure (and I think it is as I have no problem with ipv4):

. my interfaces are named wig4tootai our wigserver Nothing wrong here ?

. conf file are not named <interface name>.conf but server.conf or anyname.conf Nothing wrong here too ?

Conserning the setup, I made another one using one VPS (one public ipv4 and one 
ipv6 /64 range) but get the same result. No FW involved at all :(
--
Daniel

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