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// Other services

Port 2130: XDS

Port 2130 is assigned by IANA to xds (XDS).

2130

How xds works

Other services
client:2130xdsresponse client:2130xdsresponse

The client sends a request to port 2130 and the xds 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 2130 dangerous?

We have no specific security note for port 2130. 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 2130

ServicePortTransportDescriptionReferenceUpdated
xds 2130 TCP, UDP XDS - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2130, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2130'      # process listening on 2130
sudo lsof -nP -i :2130

macOS

sudo lsof -nP -i :2130

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2130 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2130
netstat -ano | findstr :2130

From another machine

nmap -p 2130 -sV <host>
sudo nmap -sU -p 2130 <host>
nc -zv <host> 2130

Block it in the firewall

sudo ufw deny 2130/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2130" -Direction Inbound -LocalPort 2130 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2130 used for?

Port 2130 is assigned by IANA to xds (XDS).

Is port 2130 TCP or UDP?

Port 2130 is registered for TCP and UDP.

Is it safe to open port 2130?

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 2130 is open?

On Linux run "ss -ltnup 'sport = :2130'", on macOS "lsof -nP -i :2130", and on Windows "netstat -ano | findstr :2130" to see the local process. From another machine, "nmap -p 2130 <host>" shows whether it is reachable.

05 Related
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