CyberHunter
// Other services

Port 9344: Mphlpdmc

Port 9344 is assigned by IANA to mphlpdmc (Mphlpdmc).

9344

How mphlpdmc works

Other services
client:9344mphlpdmcresponse client:9344mphlpdmcresponse

The client sends a request to port 9344 and the mphlpdmc 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 9344 dangerous?

We have no specific security note for port 9344. 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 9344

ServicePortTransportDescriptionReferenceUpdated
mphlpdmc 9344 TCP, UDP Mphlpdmc - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 9344, and is it reachable?

Linux

sudo ss -ltnup 'sport = :9344'      # process listening on 9344
sudo lsof -nP -i :9344

macOS

sudo lsof -nP -i :9344

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 9344 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 9344
netstat -ano | findstr :9344

From another machine

nmap -p 9344 -sV <host>
sudo nmap -sU -p 9344 <host>
nc -zv <host> 9344

Block it in the firewall

sudo ufw deny 9344/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 9344" -Direction Inbound -LocalPort 9344 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 9344 used for?

Port 9344 is assigned by IANA to mphlpdmc (Mphlpdmc).

Is port 9344 TCP or UDP?

Port 9344 is registered for TCP and UDP.

Is it safe to open port 9344?

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 9344 is open?

On Linux run "ss -ltnup 'sport = :9344'", on macOS "lsof -nP -i :9344", and on Windows "netstat -ano | findstr :9344" to see the local process. From another machine, "nmap -p 9344 <host>" shows whether it is reachable.

05 Related