CyberHunter
Local dataset, no network
// Other services

Port 6580: Parsec Masterserver

Port 6580 is assigned by IANA to parsec-master (Parsec Masterserver).

6580

How parsec-master works

Other services
client:6580parsec-masterresponse client:6580parsec-masterresponse

The client sends a request to port 6580 and the parsec-master 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 6580 dangerous?

We have no specific security note for port 6580. 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 6580

ServicePortTransportDescriptionReferenceUpdated
parsec-master 6580 TCP, UDP Parsec Masterserver - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 6580, and is it reachable?

Linux

sudo ss -ltnup 'sport = :6580'      # process listening on 6580
sudo lsof -nP -i :6580

macOS

sudo lsof -nP -i :6580

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 6580 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 6580
netstat -ano | findstr :6580

From another machine

nmap -p 6580 -sV <host>
sudo nmap -sU -p 6580 <host>
nc -zv <host> 6580

Block it in the firewall

sudo ufw deny 6580/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 6580" -Direction Inbound -LocalPort 6580 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 6580 used for?

Port 6580 is assigned by IANA to parsec-master (Parsec Masterserver).

Is port 6580 TCP or UDP?

Port 6580 is registered for TCP and UDP.

Is it safe to open port 6580?

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 6580 is open?

On Linux run "ss -ltnup 'sport = :6580'", on macOS "lsof -nP -i :6580", and on Windows "netstat -ano | findstr :6580" to see the local process. From another machine, "nmap -p 6580 <host>" shows whether it is reachable.

05 Related
:4444 Metasploit default / krb524 tcp · udp · high risk :31337 Back Orifice / elite tcp · udp · high risk :1 TCP Port Service Multiplexer tcp · udp :5 Remote Job Entry tcp · udp :9 Discard tcp · udp · sctp · dccp :11 Active Users tcp · udp :17 Quote of the Day tcp · udp :18 Message Send Protocol (historic) tcp · udp

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