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Port 38472 (f1-control)

IANA assigns port 38472 to f1-control: F1 Control Plane (3GPP).

Registered (user) port, 1024-49151 TCP

IANA assignment

Service nameProtoDescriptionAssigneeReference
f1-control SCTP F1 Control Plane (3GPP) Luis Lopes -

Registry dates for this port: registered 2017-06-23.

Check what is listening on port 38472

Linux: is anything listening on TCP 38472?
sudo ss -tlnp 'sport = :38472'
Linux / macOS: which process owns the port
sudo lsof -nP -i :38472
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':38472 '
Windows (Command Prompt)
netstat -ano | findstr :38472
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 38472 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 38472
From Windows
Test-NetConnection HOST -Port 38472

Block port 38472 in the firewall

ufw
sudo ufw deny 38472/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 38472 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 38472 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 38472' -Direction Inbound -Protocol TCP -LocalPort 38472 -Action Block

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38422xn-control38462e1-interface38638psqlmws38800sruth

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