CyberHunter
Local dataset, no network
// Other services

Port 2982: IWB-WHITEBOARD

Port 2982 is assigned by IANA to iwb-whiteboard (IWB-WHITEBOARD).

2982

How iwb-whiteboard works

Other services
client:2982iwb-whiteboardresponse client:2982iwb-whiteboardresponse

The client sends a request to port 2982 and the iwb-whiteboard 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 2982 dangerous?

We have no specific security note for port 2982. 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 2982

ServicePortTransportDescriptionReferenceUpdated
iwb-whiteboard 2982 TCP, UDP IWB-WHITEBOARD - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2982, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2982'      # process listening on 2982
sudo lsof -nP -i :2982

macOS

sudo lsof -nP -i :2982

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2982 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2982
netstat -ano | findstr :2982

From another machine

nmap -p 2982 -sV <host>
sudo nmap -sU -p 2982 <host>
nc -zv <host> 2982

Block it in the firewall

sudo ufw deny 2982/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2982" -Direction Inbound -LocalPort 2982 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2982 used for?

Port 2982 is assigned by IANA to iwb-whiteboard (IWB-WHITEBOARD).

Is port 2982 TCP or UDP?

Port 2982 is registered for TCP and UDP.

Is it safe to open port 2982?

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 2982 is open?

On Linux run "ss -ltnup 'sport = :2982'", on macOS "lsof -nP -i :2982", and on Windows "netstat -ano | findstr :2982" to see the local process. From another machine, "nmap -p 2982 <host>" shows whether it is reachable.

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