CyberHunter
// Other services

Port 2280: LNVPOLLER

Port 2280 is assigned by IANA to lnvpoller (LNVPOLLER).

2280

How lnvpoller works

Other services
client:2280lnvpollerresponse client:2280lnvpollerresponse

The client sends a request to port 2280 and the lnvpoller 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)
01 Security

Is port 2280 dangerous?

We have no specific security note for port 2280. 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 2280

ServicePortTransportDescriptionReferenceUpdated
lnvpoller 2280 TCP, UDP LNVPOLLER - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2280, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2280'      # process listening on 2280
sudo lsof -nP -i :2280

macOS

sudo lsof -nP -i :2280

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2280 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2280
netstat -ano | findstr :2280

From another machine

nmap -p 2280 -sV <host>
sudo nmap -sU -p 2280 <host>
nc -zv <host> 2280

Block it in the firewall

sudo ufw deny 2280/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2280" -Direction Inbound -LocalPort 2280 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2280 used for?

Port 2280 is assigned by IANA to lnvpoller (LNVPOLLER).

Is port 2280 TCP or UDP?

Port 2280 is registered for TCP and UDP.

Is it safe to open port 2280?

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 2280 is open?

On Linux run "ss -ltnup 'sport = :2280'", on macOS "lsof -nP -i :2280", and on Windows "netstat -ano | findstr :2280" to see the local process. From another machine, "nmap -p 2280 <host>" shows whether it is reachable.

05 Related