Proxmox Pulse
Installation & Initial Setup
Proxmox VE 9.2 VM Checklist for Post-Install Homelabs
Catch storage, network, SSH, firewall, and backup failures before your first Proxmox VM starts, not after.
11 min read
Tag
#firewall
13 articles tagged firewall.
Installation & Initial Setup
Proxmox VE 9.2 Pre-Install Audit: BIOS, ZFS, SSH, Firewall
Before Proxmox VE 9.2 migration, verify boot path, ZFS alignment, SSH access, and firewall rules to avoid a locked node.
9 min read
Networking, VLANs & Security Hardening
Proxmox VE 9.2 SDN Audit Checklist Before VM Migration
Move VMs only after you know which VLAN, VXLAN, firewall, and DNS settings actually apply to each Proxmox zone.
9 min read
Networking, VLANs & Security Hardening
Proxmox SDN Snapshot: Export Zones, DNS, Firewall Safely
A timestamped text export turns Proxmox SDN state into a diffable restore point before risky cluster changes.
9 min read
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.
11 min read
Networking, VLANs & Security Hardening
Proxmox SDN Firewall Audit for VE 9.2 Network Zones
New SDN interfaces can bypass old bridge rules, so audit Proxmox VE 9.2 zones before cross-tenant traffic slips through.
10 min read
Networking, VLANs & Security Hardening
Proxmox OCI LXC Traffic Lockdown: Firewall Checklist
Isolation beats exposure: verify blocked sources, pin DNS, and prove the firewall before you open the container.
11 min read
Networking, VLANs & Security Hardening
Proxmox VE 9.1 Network Audit Checklist Before New VMs
A ten-minute host audit can stop VMs from inheriting broken bridges, missing VLAN tags, and open management ports.
10 min read
Networking, VLANs & Security Hardening
How to Secure Proxmox: VLANs, Firewall, SSH, and fail2ban
Most people treat firewall rules as an afterthought — here's how to harden your Proxmox cluster in under an hour without sacrificing usability.
7 min read
Networking, VLANs & Security Hardening
Proxmox Firewall IP Sets and Security Groups Explained
Stop writing duplicate firewall rules for every VM — apply IP sets and security groups to manage policies at scale.
9 min read
Networking, VLANs & Security Hardening
IPv6 on Proxmox VE: Dual-Stack VMs and LXC Containers
Give every VM and container a real IPv6 address in 20 minutes — without tunnels, NAT, or third-party tools.
8 min read
Networking, VLANs & Security Hardening
OPNsense on Proxmox: The Ultimate Firewall VM Guide
Run OPNsense as a dedicated Proxmox VM with NIC passthrough and VLAN trunking for a powerful, flexible homelab firewall.
9 min read
Networking, VLANs, And Security Hardening
Hardening Proxmox VE: Firewall, fail2ban, and SSH Security
Essential security hardening steps for Proxmox VE — firewall, fail2ban, SSH keys, and 2FA setup.
14 min read