CyberHunter
Local dataset, no network
// Other services

Port 3679: Newton Dock

Port 3679 is assigned by IANA to newton-dock (Newton Dock).

3679

How newton-dock works

Other services
client:3679newton-dockresponse client:3679newton-dockresponse

The client sends a request to port 3679 and the newton-dock 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 3679 dangerous?

We have no specific security note for port 3679. 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 3679

ServicePortTransportDescriptionReferenceUpdated
newton-dock 3679 TCP, UDP Newton Dock - 2025-01-23

// source: IANA service name and port number registry

03 Check it

Which program uses port 3679, and is it reachable?

Linux

sudo ss -ltnup 'sport = :3679'      # process listening on 3679
sudo lsof -nP -i :3679

macOS

sudo lsof -nP -i :3679

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 3679 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 3679
netstat -ano | findstr :3679

From another machine

nmap -p 3679 -sV <host>
sudo nmap -sU -p 3679 <host>
nc -zv <host> 3679

Block it in the firewall

sudo ufw deny 3679/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 3679" -Direction Inbound -LocalPort 3679 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 3679 used for?

Port 3679 is assigned by IANA to newton-dock (Newton Dock).

Is port 3679 TCP or UDP?

Port 3679 is registered for TCP and UDP.

Is it safe to open port 3679?

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 3679 is open?

On Linux run "ss -ltnup 'sport = :3679'", on macOS "lsof -nP -i :3679", and on Windows "netstat -ano | findstr :3679" to see the local process. From another machine, "nmap -p 3679 <host>" shows whether it is reachable.

05 Related
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