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Port 4062 (ice-slocation)

IANA assigns port 4062 to ice-slocation: Ice Location Service (SSL).

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
ice-slocation TCP Ice Location Service (SSL) - -
ice-slocation UDP Ice Location Service (SSL) - -

Check what is listening on port 4062

Linux: is anything listening on TCP 4062?
sudo ss -tlnp 'sport = :4062'
Linux: UDP 4062
sudo ss -ulnp 'sport = :4062'
Linux / macOS: which process owns the port
sudo lsof -nP -i :4062
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':4062 '
Windows (Command Prompt)
netstat -ano | findstr :4062
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 4062 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 4062
From Windows
Test-NetConnection HOST -Port 4062
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 4062

Block port 4062 in the firewall

ufw
sudo ufw deny 4062/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 4062 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 4062 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 4062' -Direction Inbound -Protocol TCP -LocalPort 4062 -Action Block
ufw
sudo ufw deny 4062/udp
iptables
sudo iptables -A INPUT -p udp --dport 4062 -j DROP
nftables
sudo nft add rule inet filter input udp dport 4062 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 4062' -Direction Inbound -Protocol UDP -LocalPort 4062 -Action Block

Related ports

4060dsmeter-iatc, dsmeter_iatc4061ice-location4063ice-router4064ice-srouter

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