CyberHunter
Local dataset, no network
// Other services

Port 2621: Miles Apart Jukebox Server

Port 2621 is assigned by IANA to miles-apart (Miles Apart Jukebox Server).

2621

How miles-apart works

Other services
client:2621miles-apartresponse client:2621miles-apartresponse

The client sends a request to port 2621 and the miles-apart 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 2621 dangerous?

We have no specific security note for port 2621. 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 2621

ServicePortTransportDescriptionReferenceUpdated
miles-apart 2621 TCP, UDP Miles Apart Jukebox Server - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2621, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2621'      # process listening on 2621
sudo lsof -nP -i :2621

macOS

sudo lsof -nP -i :2621

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2621 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2621
netstat -ano | findstr :2621

From another machine

nmap -p 2621 -sV <host>
sudo nmap -sU -p 2621 <host>
nc -zv <host> 2621

Block it in the firewall

sudo ufw deny 2621/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2621" -Direction Inbound -LocalPort 2621 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2621 used for?

Port 2621 is assigned by IANA to miles-apart (Miles Apart Jukebox Server).

Is port 2621 TCP or UDP?

Port 2621 is registered for TCP and UDP.

Is it safe to open port 2621?

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 2621 is open?

On Linux run "ss -ltnup 'sport = :2621'", on macOS "lsof -nP -i :2621", and on Windows "netstat -ano | findstr :2621" to see the local process. From another machine, "nmap -p 2621 <host>" shows whether it is reachable.

05 Related
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