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// Other services

Port 4062: Ice Location Service (SSL)

Port 4062 is assigned by IANA to ice-slocation (Ice Location Service (SSL)).

4062

How ice-slocation works

Other services
client:4062ice-slocationresponse client:4062ice-slocationresponse

The client sends a request to port 4062 and the ice-slocation service answers.

Transport
TCP · UDP
Exposure risk
not rated depends on the program listening
Encryption
Unknownnot stated by the registry
IANA status
Assigned1 registered service
Range
Registered (1024-49151)
Category
Other services
01 Security

Is port 4062 dangerous?

We have no specific security note for port 4062. Its risk depends on the program actually listening on it. General advice for other services services:

  • Close the port if nothing on the host needs it.
  • Identify the process that listens on it (commands below) before opening it in a firewall.
  • Expose a service only to the networks that use it.
02 Registry

IANA registry entries for port 4062

ServicePortTransportDescriptionReferenceUpdated
ice-slocation 4062 TCP, UDP Ice Location Service (SSL) - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 4062, and is it reachable?

Linux

sudo ss -ltnup 'sport = :4062'      # process listening on 4062
sudo lsof -nP -i :4062

macOS

sudo lsof -nP -i :4062

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 4062 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 4062
netstat -ano | findstr :4062

From another machine

nmap -p 4062 -sV <host>
sudo nmap -sU -p 4062 <host>
nc -zv <host> 4062

Block it in the firewall

sudo ufw deny 4062/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 4062" -Direction Inbound -LocalPort 4062 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 4062 used for?

Port 4062 is assigned by IANA to ice-slocation (Ice Location Service (SSL)).

Is port 4062 TCP or UDP?

Port 4062 is registered for TCP and UDP.

Is it safe to open port 4062?

It depends on the program that listens on it. Open it only for a service you know and only to the networks that need it. Close the port if nothing on the host needs it.

How do I check if port 4062 is open?

On Linux run "ss -ltnup 'sport = :4062'", on macOS "lsof -nP -i :4062", and on Windows "netstat -ano | findstr :4062" to see the local process. From another machine, "nmap -p 4062 <host>" shows whether it is reachable.

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