CyberHunter
Local dataset, no network
// Other services

Port 6325: Double-Take Management Service

Port 6325 is assigned by IANA to dt-mgmtsvc (Double-Take Management Service).

6325

How dt-mgmtsvc works

Other services
client:6325dt-mgmtsvcresponse client:6325dt-mgmtsvcresponse

The client sends a request to port 6325 and the dt-mgmtsvc 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)
01 Security

Is port 6325 dangerous?

We have no specific security note for port 6325. 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 6325

ServicePortTransportDescriptionReferenceUpdated
dt-mgmtsvc 6325 TCP Double-Take Management Service - 2019-08-23
-6325-Reserved--

// source: IANA service name and port number registry

03 Check it

Which program uses port 6325, and is it reachable?

Linux

sudo ss -ltnup 'sport = :6325'      # process listening on 6325
sudo lsof -nP -i :6325

macOS

sudo lsof -nP -i :6325

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 6325 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 6325
netstat -ano | findstr :6325

From another machine

nmap -p 6325 -sV <host>
nc -zv <host> 6325

Block it in the firewall

sudo ufw deny 6325/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 6325" -Direction Inbound -LocalPort 6325 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 6325 used for?

Port 6325 is assigned by IANA to dt-mgmtsvc (Double-Take Management Service).

Is port 6325 TCP or UDP?

Port 6325 is registered for TCP.

Is it safe to open port 6325?

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 6325 is open?

On Linux run "ss -ltnup 'sport = :6325'", on macOS "lsof -nP -i :6325", and on Windows "netstat -ano | findstr :6325" to see the local process. From another machine, "nmap -p 6325 <host>" shows whether it is reachable.

05 Related

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