CyberHunter
Local dataset, no network
// Other services

Port 7431: OpenView DM ovc/xmpv3 api pipe

Port 7431 is assigned by IANA to pmd (OpenView DM ovc/xmpv3 api pipe).

7431

How pmd works

Other services
client:7431pmdresponse client:7431pmdresponse

The client sends a request to port 7431 and the pmd 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 7431 dangerous?

We have no specific security note for port 7431. 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 7431

ServicePortTransportDescriptionReferenceUpdated
pmd 7431 TCP, UDP OpenView DM ovc/xmpv3 api pipe - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 7431, and is it reachable?

Linux

sudo ss -ltnup 'sport = :7431'      # process listening on 7431
sudo lsof -nP -i :7431

macOS

sudo lsof -nP -i :7431

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 7431 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 7431
netstat -ano | findstr :7431

From another machine

nmap -p 7431 -sV <host>
sudo nmap -sU -p 7431 <host>
nc -zv <host> 7431

Block it in the firewall

sudo ufw deny 7431/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 7431" -Direction Inbound -LocalPort 7431 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 7431 used for?

Port 7431 is assigned by IANA to pmd (OpenView DM ovc/xmpv3 api pipe).

Is port 7431 TCP or UDP?

Port 7431 is registered for TCP and UDP.

Is it safe to open port 7431?

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 7431 is open?

On Linux run "ss -ltnup 'sport = :7431'", on macOS "lsof -nP -i :7431", and on Windows "netstat -ano | findstr :7431" to see the local process. From another machine, "nmap -p 7431 <host>" shows whether it is reachable.

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