Thansk for the answer. I asked because I found a few people saying the firewall doesnt block ICMP packets. Now I know. Thanks again! I will mark thsi as answered.
Hello,
I couldn't find anything here which describes exactly my problem: when I enable the Proxmox firewall on one VM and on the PVE those two cannot ping each other. When i disable the firewall on the VM, PVE can ping VM but the VM cannot ping PVE and vice versa. Funnily CIFS shares from my...