Port 8006 (Proxmox VE web UI)

Proxmox Virtual Environment web interface and API (HTTPS).

Registered (user) port, 1024-49151 TCP Remote access Expose only to trusted sources

What port 8006 is used for

Proxmox Virtual Environment web interface and API (HTTPS).

Expose only to trusted sources. Full control over all VMs; keep it behind a VPN or allowlist and enable TOTP.

Service nameProtoDescriptionAssigneeReference

wpl-analytics TCP World Programming analytics World Programming Limited -

wpl-disc UDP World Programming analytics discovery World Programming Limited -

Registry dates for this port: registered 2017-04-04.

Linux: is anything listening on TCP 8006?

sudo ss -tlnp 'sport = :8006'

Linux / macOS: which process owns the port

sudo lsof -nP -i :8006

Older Linux / BSD (net-tools)

sudo netstat -tlnp | grep ':8006 '

Windows (Command Prompt)

netstat -ano | findstr :8006

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 8006 -State Listen | Select LocalAddress,OwningProcess

From another machine

nc -vz -w 5 HOST 8006

From Windows

Test-NetConnection HOST -Port 8006

Replace 203.0.113.10 with the address or network you trust. With ufw, make sure the default incoming policy is deny.

ufw (one trusted source)

sudo ufw allow from 203.0.113.10 to any port 8006 proto tcp

iptables

sudo iptables -A INPUT -p tcp --dport 8006 -s 203.0.113.10 -j ACCEPT
sudo iptables -A INPUT -p tcp --dport 8006 -j DROP

nftables

sudo nft add rule inet filter input ip saddr 203.0.113.10 tcp dport 8006 accept
sudo nft add rule inet filter input tcp dport 8006 drop

Windows Firewall

New-NetFirewallRule -DisplayName 'TCP 8006 trusted' -Direction Inbound -Protocol TCP -LocalPort 8006 -RemoteAddress 203.0.113.10 -Action Allow

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Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.