CyberHunter
Local dataset, no network
// Other services

Port 2190: TiVoConnect Beacon

Port 2190 is assigned by IANA to tivoconnect (TiVoConnect Beacon).

2190

How tivoconnect works

Other services
client:2190tivoconnectresponse client:2190tivoconnectresponse

The client sends a request to port 2190 and the tivoconnect 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 2190 dangerous?

We have no specific security note for port 2190. 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 2190

ServicePortTransportDescriptionReferenceUpdated
tivoconnect 2190 TCP, UDP TiVoConnect Beacon - 2002-08

// source: IANA service name and port number registry

03 Check it

Which program uses port 2190, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2190'      # process listening on 2190
sudo lsof -nP -i :2190

macOS

sudo lsof -nP -i :2190

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2190 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2190
netstat -ano | findstr :2190

From another machine

nmap -p 2190 -sV <host>
sudo nmap -sU -p 2190 <host>
nc -zv <host> 2190

Block it in the firewall

sudo ufw deny 2190/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2190" -Direction Inbound -LocalPort 2190 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2190 used for?

Port 2190 is assigned by IANA to tivoconnect (TiVoConnect Beacon).

Is port 2190 TCP or UDP?

Port 2190 is registered for TCP and UDP.

Is it safe to open port 2190?

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 2190 is open?

On Linux run "ss -ltnup 'sport = :2190'", on macOS "lsof -nP -i :2190", and on Windows "netstat -ano | findstr :2190" to see the local process. From another machine, "nmap -p 2190 <host>" shows whether it is reachable.

05 Related
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