
Networking, VLANs & Security Hardening
Proxmox SDN Zones: Firewall, SSH, and fail2ban Hardening
Empty SDN zones are the safest moment to lock down traffic, because renumbering VLANs under live VMs is painful.
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2 articles tagged proxmox sdn.

Empty SDN zones are the safest moment to lock down traffic, because renumbering VLANs under live VMs is painful.

Keep vmbr0 alive while Proxmox SDN zones manage VNets and BGP peers, but only after you fix the bridge and apply order.