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Port 4061 (ice-location)

IANA assigns port 4061 to ice-location: Ice Location Service (TCP).

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
ice-location TCP Ice Location Service (TCP) - -
ice-location UDP Ice Location Service (TCP) - -

Check what is listening on port 4061

Linux: is anything listening on TCP 4061?
sudo ss -tlnp 'sport = :4061'
Linux: UDP 4061
sudo ss -ulnp 'sport = :4061'
Linux / macOS: which process owns the port
sudo lsof -nP -i :4061
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':4061 '
Windows (Command Prompt)
netstat -ano | findstr :4061
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 4061 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 4061
From Windows
Test-NetConnection HOST -Port 4061
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 4061

Block port 4061 in the firewall

ufw
sudo ufw deny 4061/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 4061 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 4061 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 4061' -Direction Inbound -Protocol TCP -LocalPort 4061 -Action Block
ufw
sudo ufw deny 4061/udp
iptables
sudo iptables -A INPUT -p udp --dport 4061 -j DROP
nftables
sudo nft add rule inet filter input udp dport 4061 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 4061' -Direction Inbound -Protocol UDP -LocalPort 4061 -Action Block

Related ports

4059dlms-cosem4060dsmeter-iatc, dsmeter_iatc4062ice-slocation4063ice-router

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