[DEDICATED SERVER] dedicated and client are the same public ip, the server don't appear in server list

[killpilot]

hi all, 

i don't know if this subject are already asked, but i don't find anything about that...

well... Here is my use case.

i have a network with some different subnet, a router/firewall (pfsense), and wan subnet with my ISP box.

the requirement is the TCP/UDP port must be NAT to dedicated server, in server setting i choose 10309 (so that this one is different from my client I'll talk about it right after).

well, now i try to describe my network setting.

1. mys ISP box are config in DMZ mode, all traffic receive in public IP are forward to my firewall.
2. in my firewall i config a NAT with this setting => all traffic received in WAN interface for the 10309 port in TCP/UDP are forwarded to my dedicated server in the SUBNET 2.
3. to allow my client contact server into private subnet i config a NAT when the client tries to contact the public ip on port 10309 the firewall sends the traffic directly to the dedicated server, which allows me to play without leaving my private network.
4. there are some firewall rule to allow traffic througt the subnet
5. my client (gaming PC) in the SUBNET 1 launch the game, and in the multiplayer part i don't see my server in the list.
6. the windows firewall client and dedicated server is disabled for all network private  and public.

for information the client and server are the game version 2.8.2.35759

and the issue is here, why my dedicated server don't appear in the list.

in my web profile game server section in digitalcombatsimulator i see my server with the mission name, number player, publique IP port etc.. and information is correct.

when i try from online web site check if my 10309 are open from internet, the test is OK and my port is open.

however, in my client i don't see the server .... there is a explanation for this ??

thank for your help

 

ps: sorry for my english level, i french

Edited March 1, 2023 by killpilot

[killpilot]

@USSR_Rik I take the liberty of quoting you, if you have any idea for my issue or if it is not a problem an explanation

[Maverick87Shaka]

not currently teste, but on my old similar setup where I had server and flying pc on the same LAN, enabling ipv6 for the lan did the trick. try to enable ipv6 on both client and server and see what happens. Not sure if it was the fact that with pv6 basically it's your LAN address it's a public address, but at the time, it help a lot

[killpilot]

thanks for the answer, unfortunately I can't, my ISP doesn't allow me to delegate my ipv6 range.

As there is a firewall between the internet box and my network, the ipv6 can't go through the firewall.

But your message directs me to the fact that only servers with a public IP go up in the list, and in my case my server has a private IP routed to go out on the internet.

And strangely enough the server detects it well, since it displays it in the web management interface ....

by having the public ip address the clients are allow to connect, from my private network I allow to connect, and works fine, but just it is not referenced in the multiplayer section of the games....

it's a pity... if someone can confirm or deny this assumption ....

Edited March 4, 2023 by killpilot