CyberHunter
Local dataset, no network
// Other services

Port 2871: MSI Select Play

Port 2871 is assigned by IANA to msi-selectplay (MSI Select Play).

2871

How msi-selectplay works

Other services
client:2871msi-selectplayresponse client:2871msi-selectplayresponse

The client sends a request to port 2871 and the msi-selectplay 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 2871 dangerous?

We have no specific security note for port 2871. 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 2871

ServicePortTransportDescriptionReferenceUpdated
msi-selectplay 2871 TCP, UDP MSI Select Play - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2871, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2871'      # process listening on 2871
sudo lsof -nP -i :2871

macOS

sudo lsof -nP -i :2871

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2871 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2871
netstat -ano | findstr :2871

From another machine

nmap -p 2871 -sV <host>
sudo nmap -sU -p 2871 <host>
nc -zv <host> 2871

Block it in the firewall

sudo ufw deny 2871/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2871" -Direction Inbound -LocalPort 2871 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2871 used for?

Port 2871 is assigned by IANA to msi-selectplay (MSI Select Play).

Is port 2871 TCP or UDP?

Port 2871 is registered for TCP and UDP.

Is it safe to open port 2871?

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 2871 is open?

On Linux run "ss -ltnup 'sport = :2871'", on macOS "lsof -nP -i :2871", and on Windows "netstat -ano | findstr :2871" to see the local process. From another machine, "nmap -p 2871 <host>" shows whether it is reachable.

05 Related
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