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// Other services

Port 6075: Microsoft DPM Access Control Manager

Port 6075 is assigned by IANA to dpm-acm (Microsoft DPM Access Control Manager).

6075

How dpm-acm works

Other services
client:6075dpm-acmresponse client:6075dpm-acmresponse

The client sends a request to port 6075 and the dpm-acm service answers.

Transport
TCP
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 6075 dangerous?

We have no specific security note for port 6075. 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 6075

ServicePortTransportDescriptionReferenceUpdated
dpm-acm 6075 TCP Microsoft DPM Access Control Manager - 2009-10-29
-6075-Reserved--

// source: IANA service name and port number registry

03 Check it

Which program uses port 6075, and is it reachable?

Linux

sudo ss -ltnup 'sport = :6075'      # process listening on 6075
sudo lsof -nP -i :6075

macOS

sudo lsof -nP -i :6075

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 6075 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 6075
netstat -ano | findstr :6075

From another machine

nmap -p 6075 -sV <host>
nc -zv <host> 6075

Block it in the firewall

sudo ufw deny 6075/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 6075" -Direction Inbound -LocalPort 6075 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 6075 used for?

Port 6075 is assigned by IANA to dpm-acm (Microsoft DPM Access Control Manager).

Is port 6075 TCP or UDP?

Port 6075 is registered for TCP.

Is it safe to open port 6075?

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 6075 is open?

On Linux run "ss -ltnup 'sport = :6075'", on macOS "lsof -nP -i :6075", and on Windows "netstat -ano | findstr :6075" to see the local process. From another machine, "nmap -p 6075 <host>" shows whether it is reachable.

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