CyberHunter
Local dataset, no network
// Other services

Port 2980: Instant Messaging Service

Port 2980 is assigned by IANA to wimd (Instant Messaging Service).

2980

How wimd works

Other services
client:2980wimdresponse client:2980wimdresponse

The client sends a request to port 2980 and the wimd 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 2980 dangerous?

We have no specific security note for port 2980. 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 2980

ServicePortTransportDescriptionReferenceUpdated
wimd 2980 TCP, UDP Instant Messaging Service - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2980, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2980'      # process listening on 2980
sudo lsof -nP -i :2980

macOS

sudo lsof -nP -i :2980

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2980 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2980
netstat -ano | findstr :2980

From another machine

nmap -p 2980 -sV <host>
sudo nmap -sU -p 2980 <host>
nc -zv <host> 2980

Block it in the firewall

sudo ufw deny 2980/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2980" -Direction Inbound -LocalPort 2980 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2980 used for?

Port 2980 is assigned by IANA to wimd (Instant Messaging Service).

Is port 2980 TCP or UDP?

Port 2980 is registered for TCP and UDP.

Is it safe to open port 2980?

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 2980 is open?

On Linux run "ss -ltnup 'sport = :2980'", on macOS "lsof -nP -i :2980", and on Windows "netstat -ano | findstr :2980" to see the local process. From another machine, "nmap -p 2980 <host>" shows whether it is reachable.

05 Related
:4444 Metasploit default / krb524 tcp · udp · high risk :31337 Back Orifice / elite tcp · udp · high risk :1 TCP Port Service Multiplexer tcp · udp :5 Remote Job Entry tcp · udp :9 Discard tcp · udp · sctp · dccp :11 Active Users tcp · udp :17 Quote of the Day tcp · udp :18 Message Send Protocol (historic) tcp · udp

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