CyberHunter
Local dataset, no network
// Other services

Port 9022: PrivateArk Remote Agent

Port 9022 is assigned by IANA to paragent (PrivateArk Remote Agent).

9022

How paragent works

Other services
client:9022paragentresponse client:9022paragentresponse

The client sends a request to port 9022 and the paragent 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 9022 dangerous?

We have no specific security note for port 9022. 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 9022

ServicePortTransportDescriptionReferenceUpdated
paragent 9022 TCP, UDP PrivateArk Remote Agent - 2002-03

// source: IANA service name and port number registry

03 Check it

Which program uses port 9022, and is it reachable?

Linux

sudo ss -ltnup 'sport = :9022'      # process listening on 9022
sudo lsof -nP -i :9022

macOS

sudo lsof -nP -i :9022

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 9022 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 9022
netstat -ano | findstr :9022

From another machine

nmap -p 9022 -sV <host>
sudo nmap -sU -p 9022 <host>
nc -zv <host> 9022

Block it in the firewall

sudo ufw deny 9022/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 9022" -Direction Inbound -LocalPort 9022 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 9022 used for?

Port 9022 is assigned by IANA to paragent (PrivateArk Remote Agent).

Is port 9022 TCP or UDP?

Port 9022 is registered for TCP and UDP.

Is it safe to open port 9022?

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 9022 is open?

On Linux run "ss -ltnup 'sport = :9022'", on macOS "lsof -nP -i :9022", and on Windows "netstat -ano | findstr :9022" to see the local process. From another machine, "nmap -p 9022 <host>" shows whether it is reachable.

05 Related

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