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// Other services

Port 569: microsoft rome

Port 569 is assigned by IANA to ms-rome (microsoft rome).

569

How ms-rome works

Other services
client:569ms-romeresponse client:569ms-romeresponse

The client sends a request to port 569 and the ms-rome 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
Well-known (0-1023)
Category
Other services
01 Security

Is port 569 dangerous?

We have no specific security note for port 569. 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 569

ServicePortTransportDescriptionReferenceUpdated
ms-rome 569 TCP, UDP microsoft rome - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 569, and is it reachable?

Linux

sudo ss -ltnup 'sport = :569'      # process listening on 569
sudo lsof -nP -i :569

macOS

sudo lsof -nP -i :569

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 569 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 569
netstat -ano | findstr :569

From another machine

nmap -p 569 -sV <host>
sudo nmap -sU -p 569 <host>
nc -zv <host> 569

Block it in the firewall

sudo ufw deny 569/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 569" -Direction Inbound -LocalPort 569 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 569 used for?

Port 569 is assigned by IANA to ms-rome (microsoft rome).

Is port 569 TCP or UDP?

Port 569 is registered for TCP and UDP.

Is it safe to open port 569?

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 569 is open?

On Linux run "ss -ltnup 'sport = :569'", on macOS "lsof -nP -i :569", and on Windows "netstat -ano | findstr :569" to see the local process. From another machine, "nmap -p 569 <host>" shows whether it is reachable.

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