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// Other services

Port 2863: Sonar Data

Port 2863 is assigned by IANA to sonardata (Sonar Data).

2863

How sonardata works

Other services
client:2863sonardataresponse client:2863sonardataresponse

The client sends a request to port 2863 and the sonardata 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 2863 dangerous?

We have no specific security note for port 2863. 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 2863

ServicePortTransportDescriptionReferenceUpdated
sonardata 2863 TCP, UDP Sonar Data - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2863, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2863'      # process listening on 2863
sudo lsof -nP -i :2863

macOS

sudo lsof -nP -i :2863

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2863 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2863
netstat -ano | findstr :2863

From another machine

nmap -p 2863 -sV <host>
sudo nmap -sU -p 2863 <host>
nc -zv <host> 2863

Block it in the firewall

sudo ufw deny 2863/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2863" -Direction Inbound -LocalPort 2863 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2863 used for?

Port 2863 is assigned by IANA to sonardata (Sonar Data).

Is port 2863 TCP or UDP?

Port 2863 is registered for TCP and UDP.

Is it safe to open port 2863?

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 2863 is open?

On Linux run "ss -ltnup 'sport = :2863'", on macOS "lsof -nP -i :2863", and on Windows "netstat -ano | findstr :2863" to see the local process. From another machine, "nmap -p 2863 <host>" shows whether it is reachable.

05 Related
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