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// Other services

Port 2279: xmquery

Port 2279 is assigned by IANA to xmquery (xmquery).

2279

How xmquery works

Other services
client:2279xmqueryresponse client:2279xmqueryresponse

The client sends a request to port 2279 and the xmquery 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 2279 dangerous?

We have no specific security note for port 2279. 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 2279

ServicePortTransportDescriptionReferenceUpdated
xmquery 2279 TCP, UDP xmquery - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2279, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2279'      # process listening on 2279
sudo lsof -nP -i :2279

macOS

sudo lsof -nP -i :2279

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2279 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2279
netstat -ano | findstr :2279

From another machine

nmap -p 2279 -sV <host>
sudo nmap -sU -p 2279 <host>
nc -zv <host> 2279

Block it in the firewall

sudo ufw deny 2279/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2279" -Direction Inbound -LocalPort 2279 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2279 used for?

Port 2279 is assigned by IANA to xmquery (xmquery).

Is port 2279 TCP or UDP?

Port 2279 is registered for TCP and UDP.

Is it safe to open port 2279?

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 2279 is open?

On Linux run "ss -ltnup 'sport = :2279'", on macOS "lsof -nP -i :2279", and on Windows "netstat -ano | findstr :2279" to see the local process. From another machine, "nmap -p 2279 <host>" shows whether it is reachable.

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