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// Other services

Port 2150: DYNAMIC3D

Port 2150 is assigned by IANA to dynamic3d (DYNAMIC3D).

2150

How dynamic3d works

Other services
client:2150dynamic3dresponse client:2150dynamic3dresponse

The client sends a request to port 2150 and the dynamic3d 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 2150 dangerous?

We have no specific security note for port 2150. 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 2150

ServicePortTransportDescriptionReferenceUpdated
dynamic3d 2150 TCP, UDP DYNAMIC3D - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2150, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2150'      # process listening on 2150
sudo lsof -nP -i :2150

macOS

sudo lsof -nP -i :2150

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2150 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2150
netstat -ano | findstr :2150

From another machine

nmap -p 2150 -sV <host>
sudo nmap -sU -p 2150 <host>
nc -zv <host> 2150

Block it in the firewall

sudo ufw deny 2150/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2150" -Direction Inbound -LocalPort 2150 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2150 used for?

Port 2150 is assigned by IANA to dynamic3d (DYNAMIC3D).

Is port 2150 TCP or UDP?

Port 2150 is registered for TCP and UDP.

Is it safe to open port 2150?

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 2150 is open?

On Linux run "ss -ltnup 'sport = :2150'", on macOS "lsof -nP -i :2150", and on Windows "netstat -ano | findstr :2150" to see the local process. From another machine, "nmap -p 2150 <host>" shows whether it is reachable.

05 Related
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