CyberHunter
Local dataset, no network
// Other services

Port 2879: ucentric-ds

Port 2879 is assigned by IANA to ucentric-ds (ucentric-ds).

2879

How ucentric-ds works

Other services
client:2879ucentric-dsresponse client:2879ucentric-dsresponse

The client sends a request to port 2879 and the ucentric-ds 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 2879 dangerous?

We have no specific security note for port 2879. 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 2879

ServicePortTransportDescriptionReferenceUpdated
ucentric-ds 2879 TCP, UDP ucentric-ds - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2879, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2879'      # process listening on 2879
sudo lsof -nP -i :2879

macOS

sudo lsof -nP -i :2879

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2879 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2879
netstat -ano | findstr :2879

From another machine

nmap -p 2879 -sV <host>
sudo nmap -sU -p 2879 <host>
nc -zv <host> 2879

Block it in the firewall

sudo ufw deny 2879/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2879" -Direction Inbound -LocalPort 2879 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2879 used for?

Port 2879 is assigned by IANA to ucentric-ds (ucentric-ds).

Is port 2879 TCP or UDP?

Port 2879 is registered for TCP and UDP.

Is it safe to open port 2879?

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 2879 is open?

On Linux run "ss -ltnup 'sport = :2879'", on macOS "lsof -nP -i :2879", and on Windows "netstat -ano | findstr :2879" to see the local process. From another machine, "nmap -p 2879 <host>" shows whether it is reachable.

05 Related
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