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// Other services

Port 8668: Spartan management

Port 8668 is assigned by IANA to spartan (Spartan management).

8668

How spartan works

Other services
client:8668spartanresponse client:8668spartanresponse

The client sends a request to port 8668 and the spartan service answers.

Transport
TCP
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 8668 dangerous?

We have no specific security note for port 8668. 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 8668

ServicePortTransportDescriptionReferenceUpdated
spartan 8668 TCP Spartan management - 2023-10-26
-8668-Reserved--

// source: IANA service name and port number registry

03 Check it

Which program uses port 8668, and is it reachable?

Linux

sudo ss -ltnup 'sport = :8668'      # process listening on 8668
sudo lsof -nP -i :8668

macOS

sudo lsof -nP -i :8668

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 8668 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 8668
netstat -ano | findstr :8668

From another machine

nmap -p 8668 -sV <host>
nc -zv <host> 8668

Block it in the firewall

sudo ufw deny 8668/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 8668" -Direction Inbound -LocalPort 8668 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 8668 used for?

Port 8668 is assigned by IANA to spartan (Spartan management).

Is port 8668 TCP or UDP?

Port 8668 is registered for TCP.

Is it safe to open port 8668?

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 8668 is open?

On Linux run "ss -ltnup 'sport = :8668'", on macOS "lsof -nP -i :8668", and on Windows "netstat -ano | findstr :8668" to see the local process. From another machine, "nmap -p 8668 <host>" shows whether it is reachable.

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