network unreachable

I have an issue with two Proxmox hosts which are misbehaving when establishing connections with pretty much anything. My own applications, apt, curl, ping, you name it. Both on the host and within LXC containers, things keep attempting to connect via IPv6, even though no IPv6 service is...

Hello together, I installed on one cloud server (hetzner server auction) with a single public IPv4 Proxmox and opnsense. The problem I got is that on my opnsense the DNS is not working (even on the CLI). I tried everything but did not find any misconfiguration. It's a fresh proxmox and fresh...

After banging my head for about a day as to why a CentOS 7 VM created via the latest official cloud-init image just wouldn't have networking at all, on both a Proxmox 7 & a Proxmox 8 server with routed networking at Hetzner, here's a short guide that might benefit others... As always, your...

hi guys, I'm trying my hand at networking, but I've run into a problem where I can't ping a machine or the internet. What I have done myself so far (which could be the source of the problem): i have set up a netplan for my gateway server (sudo nano /etc/netplan/00-installer-config.yaml) I...

Hi. There are 2 PNG (there are 2 MX records). Both PMG are in the cluster. The first PMG sends emails through the first ISP, the second PMG sends emails through the second ISP. PMG version 8.0.7. DNS servers on domain controllers (MS Active Directory). The NTP servers are specified by Google...