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// Other services

Port 2281: LNVCONSOLE

Port 2281 is assigned by IANA to lnvconsole (LNVCONSOLE).

2281

How lnvconsole works

Other services
client:2281lnvconsoleresponse client:2281lnvconsoleresponse

The client sends a request to port 2281 and the lnvconsole 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 2281 dangerous?

We have no specific security note for port 2281. 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 2281

ServicePortTransportDescriptionReferenceUpdated
lnvconsole 2281 TCP, UDP LNVCONSOLE - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2281, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2281'      # process listening on 2281
sudo lsof -nP -i :2281

macOS

sudo lsof -nP -i :2281

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2281 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2281
netstat -ano | findstr :2281

From another machine

nmap -p 2281 -sV <host>
sudo nmap -sU -p 2281 <host>
nc -zv <host> 2281

Block it in the firewall

sudo ufw deny 2281/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2281" -Direction Inbound -LocalPort 2281 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2281 used for?

Port 2281 is assigned by IANA to lnvconsole (LNVCONSOLE).

Is port 2281 TCP or UDP?

Port 2281 is registered for TCP and UDP.

Is it safe to open port 2281?

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 2281 is open?

On Linux run "ss -ltnup 'sport = :2281'", on macOS "lsof -nP -i :2281", and on Windows "netstat -ano | findstr :2281" to see the local process. From another machine, "nmap -p 2281 <host>" shows whether it is reachable.

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