CyberHunter
Local dataset, no network
// Other services

Port 3084: ITM-MCCS

Port 3084 is assigned by IANA to itm-mccs (ITM-MCCS).

3084

How itm-mccs works

Other services
client:3084itm-mccsresponse client:3084itm-mccsresponse

The client sends a request to port 3084 and the itm-mccs 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 3084 dangerous?

We have no specific security note for port 3084. 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 3084

ServicePortTransportDescriptionReferenceUpdated
itm-mccs 3084 TCP, UDP ITM-MCCS - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 3084, and is it reachable?

Linux

sudo ss -ltnup 'sport = :3084'      # process listening on 3084
sudo lsof -nP -i :3084

macOS

sudo lsof -nP -i :3084

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 3084 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 3084
netstat -ano | findstr :3084

From another machine

nmap -p 3084 -sV <host>
sudo nmap -sU -p 3084 <host>
nc -zv <host> 3084

Block it in the firewall

sudo ufw deny 3084/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 3084" -Direction Inbound -LocalPort 3084 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 3084 used for?

Port 3084 is assigned by IANA to itm-mccs (ITM-MCCS).

Is port 3084 TCP or UDP?

Port 3084 is registered for TCP and UDP.

Is it safe to open port 3084?

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 3084 is open?

On Linux run "ss -ltnup 'sport = :3084'", on macOS "lsof -nP -i :3084", and on Windows "netstat -ano | findstr :3084" to see the local process. From another machine, "nmap -p 3084 <host>" shows whether it is reachable.

05 Related
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