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Port 480 (iafdbase)

IANA assigns port 480 to iafdbase.

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

IANA assignment

Service nameProtoDescriptionAssigneeReference
iafdbase TCP iafdbase Rick Yazwinski -
iafdbase UDP iafdbase Rick Yazwinski -

Check what is listening on port 480

Linux: is anything listening on TCP 480?
sudo ss -tlnp 'sport = :480'
Linux: UDP 480
sudo ss -ulnp 'sport = :480'
Linux / macOS: which process owns the port
sudo lsof -nP -i :480
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':480 '
Windows (Command Prompt)
netstat -ano | findstr :480
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 480 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 480
From Windows
Test-NetConnection HOST -Port 480
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 480

Block port 480 in the firewall

ufw
sudo ufw deny 480/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 480 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 480 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 480' -Direction Inbound -Protocol TCP -LocalPort 480 -Action Block
ufw
sudo ufw deny 480/udp
iptables
sudo iptables -A INPUT -p udp --dport 480 -j DROP
nftables
sudo nft add rule inet filter input udp dport 480 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 480' -Direction Inbound -Protocol UDP -LocalPort 480 -Action Block

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