Port 466 (digital-vrc)

IANA assigns port 466 to digital-vrc.

Well-known (system) port, 0-1023 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference

digital-vrc TCP digital-vrc Peter Higginson -

digital-vrc UDP digital-vrc Peter Higginson -

Linux: is anything listening on TCP 466?

sudo ss -tlnp 'sport = :466'

Linux: UDP 466

sudo ss -ulnp 'sport = :466'

Linux / macOS: which process owns the port

sudo lsof -nP -i :466

Older Linux / BSD (net-tools)

sudo netstat -tlnp | grep ':466 '

Windows (Command Prompt)

netstat -ano | findstr :466

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 466 -State Listen | Select LocalAddress,OwningProcess

From another machine

nc -vz -w 5 HOST 466

From Windows

Test-NetConnection HOST -Port 466

UDP probe (no reply does not prove it is closed)

nc -vzu -w 5 HOST 466

ufw

sudo ufw deny 466/tcp

iptables

sudo iptables -A INPUT -p tcp --dport 466 -j DROP

nftables

sudo nft add rule inet filter input tcp dport 466 drop

Windows Firewall

New-NetFirewallRule -DisplayName 'Block TCP 466' -Direction Inbound -Protocol TCP -LocalPort 466 -Action Block

ufw

sudo ufw deny 466/udp

iptables

sudo iptables -A INPUT -p udp --dport 466 -j DROP

nftables

sudo nft add rule inet filter input udp dport 466 drop

Windows Firewall

New-NetFirewallRule -DisplayName 'Block UDP 466' -Direction Inbound -Protocol UDP -LocalPort 466 -Action Block

All port numbers · Open port checker
Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.