CyberHunter
Local dataset, no network
// Other services

Port 2030:

Port 2030 is assigned by IANA to device2 ().

2030

How device2 works

Other services
client:2030device2response client:2030device2response

The client sends a request to port 2030 and the device2 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 2030 dangerous?

We have no specific security note for port 2030. 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 2030

ServicePortTransportDescriptionReferenceUpdated
device2 2030 TCP, UDP - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2030, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2030'      # process listening on 2030
sudo lsof -nP -i :2030

macOS

sudo lsof -nP -i :2030

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2030 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2030
netstat -ano | findstr :2030

From another machine

nmap -p 2030 -sV <host>
sudo nmap -sU -p 2030 <host>
nc -zv <host> 2030

Block it in the firewall

sudo ufw deny 2030/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2030" -Direction Inbound -LocalPort 2030 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2030 used for?

Port 2030 is assigned by IANA to device2 ().

Is port 2030 TCP or UDP?

Port 2030 is registered for TCP and UDP.

Is it safe to open port 2030?

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 2030 is open?

On Linux run "ss -ltnup 'sport = :2030'", on macOS "lsof -nP -i :2030", and on Windows "netstat -ano | findstr :2030" to see the local process. From another machine, "nmap -p 2030 <host>" shows whether it is reachable.

05 Related
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