port 8006

in my router the 8006 port is open but on open port check the port 8006 is seems close. in local I can see the webgui, but with my duckdns domain I can't. the firewall is open to allow connection at the 8006 port please some one can help me :)

I made some changes in network interface , after that cant access proxmox via web ui and ssh ( changes i made - i removed enp2s0 from vmbr0 and added vmbr1 and attached enp2s0 and put static ip),after that i edited the etc/network/interfaces file using ubuntu live cd . Now i can access...

Just upgrade to pve-manager/6.4-4/337d6701 (running kernel: 5.4.106-1-pve) from previous release (Enterprise repository) and I'm not more able to connect to the Web Interface on port 8006. I tried to restart the whole server but nothing to do. I also checked journal -b but I cannot see any error...