CyberHunter
Local dataset, no network
// Other services

Port 2217: GoToDevice Device Management

Port 2217 is assigned by IANA to gotodevice (GoToDevice Device Management).

2217

How gotodevice works

Other services
client:2217gotodeviceresponse client:2217gotodeviceresponse

The client sends a request to port 2217 and the gotodevice 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 2217 dangerous?

We have no specific security note for port 2217. 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 2217

ServicePortTransportDescriptionReferenceUpdated
gotodevice 2217 TCP, UDP GoToDevice Device Management - 2006-01

// source: IANA service name and port number registry

03 Check it

Which program uses port 2217, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2217'      # process listening on 2217
sudo lsof -nP -i :2217

macOS

sudo lsof -nP -i :2217

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2217 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2217
netstat -ano | findstr :2217

From another machine

nmap -p 2217 -sV <host>
sudo nmap -sU -p 2217 <host>
nc -zv <host> 2217

Block it in the firewall

sudo ufw deny 2217/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2217" -Direction Inbound -LocalPort 2217 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2217 used for?

Port 2217 is assigned by IANA to gotodevice (GoToDevice Device Management).

Is port 2217 TCP or UDP?

Port 2217 is registered for TCP and UDP.

Is it safe to open port 2217?

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 2217 is open?

On Linux run "ss -ltnup 'sport = :2217'", on macOS "lsof -nP -i :2217", and on Windows "netstat -ano | findstr :2217" to see the local process. From another machine, "nmap -p 2217 <host>" shows whether it is reachable.

05 Related
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