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// Other services

Port 7744: RAQMON PDU

Port 7744 is assigned by IANA to raqmon-pdu (RAQMON PDU).

7744

How raqmon-pdu works

Other services
client:7744raqmon-pduresponse client:7744raqmon-pduresponse

The client sends a request to port 7744 and the raqmon-pdu 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)
Category
Other services
01 Security

Is port 7744 dangerous?

We have no specific security note for port 7744. 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 7744

ServicePortTransportDescriptionReferenceUpdated
raqmon-pdu 7744 TCP, UDP RAQMON PDU RFC 4712 -

// source: IANA service name and port number registry

03 Check it

Which program uses port 7744, and is it reachable?

Linux

sudo ss -ltnup 'sport = :7744'      # process listening on 7744
sudo lsof -nP -i :7744

macOS

sudo lsof -nP -i :7744

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 7744 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 7744
netstat -ano | findstr :7744

From another machine

nmap -p 7744 -sV <host>
sudo nmap -sU -p 7744 <host>
nc -zv <host> 7744

Block it in the firewall

sudo ufw deny 7744/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 7744" -Direction Inbound -LocalPort 7744 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 7744 used for?

Port 7744 is assigned by IANA to raqmon-pdu (RAQMON PDU).

Is port 7744 TCP or UDP?

Port 7744 is registered for TCP and UDP.

Is it safe to open port 7744?

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 7744 is open?

On Linux run "ss -ltnup 'sport = :7744'", on macOS "lsof -nP -i :7744", and on Windows "netstat -ano | findstr :7744" to see the local process. From another machine, "nmap -p 7744 <host>" shows whether it is reachable.

05 Related
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