Hi I try to understand how a proxmox host can be hardened with ufw.
I understand that proxmox has a own firewall but I have an ansible role which manage hardening etc. on all my servers and therefore would like to use ufw on my proxmox host.
However as I tried to use I saw that my lxc...
I can not resolve any hostname on my debian vm as long as ufw is enabled on proxmox.
is there some configuration or some rule that I can add?
I'm running proxmox on a dedicated server, the installation was made with the hoster's iso.
it originally came with following networking: