CyberHunter
Local dataset, no network
// Other services

Port 2864: main 5001 cmd

Port 2864 is assigned by IANA to astronova-main (main 5001 cmd).

2864

How astronova-main works

Other services
client:2864astronova-mainresponse client:2864astronova-mainresponse

The client sends a request to port 2864 and the astronova-main 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 2864 dangerous?

We have no specific security note for port 2864. 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 2864

ServicePortTransportDescriptionReferenceUpdated
astronova-main 2864 TCP, UDP main 5001 cmd - 2020-03-03

// source: IANA service name and port number registry

03 Check it

Which program uses port 2864, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2864'      # process listening on 2864
sudo lsof -nP -i :2864

macOS

sudo lsof -nP -i :2864

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2864 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2864
netstat -ano | findstr :2864

From another machine

nmap -p 2864 -sV <host>
sudo nmap -sU -p 2864 <host>
nc -zv <host> 2864

Block it in the firewall

sudo ufw deny 2864/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2864" -Direction Inbound -LocalPort 2864 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2864 used for?

Port 2864 is assigned by IANA to astronova-main (main 5001 cmd).

Is port 2864 TCP or UDP?

Port 2864 is registered for TCP and UDP.

Is it safe to open port 2864?

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 2864 is open?

On Linux run "ss -ltnup 'sport = :2864'", on macOS "lsof -nP -i :2864", and on Windows "netstat -ano | findstr :2864" to see the local process. From another machine, "nmap -p 2864 <host>" shows whether it is reachable.

05 Related
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