- 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.
Port 4147: Multum Service Manager
Port 4147 is assigned by IANA to vrxpservman (Multum Service Manager).
How vrxpservman works
Other servicesThe client sends a request to port 4147 and the vrxpservman 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
Is port 4147 dangerous?
We have no specific security note for port 4147. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 4147
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| vrxpservman | 4147 | TCP, UDP | Multum Service Manager | - | 2006-10 |
// source: IANA service name and port number registry
Which program uses port 4147, and is it reachable?
Linux
sudo ss -ltnup 'sport = :4147' # process listening on 4147
sudo lsof -nP -i :4147macOS
sudo lsof -nP -i :4147
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 4147 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 4147 netstat -ano | findstr :4147
From another machine
nmap -p 4147 -sV <host> sudo nmap -sU -p 4147 <host> nc -zv <host> 4147
Block it in the firewall
sudo ufw deny 4147/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 4147" -Direction Inbound -LocalPort 4147 -Protocol TCP -Action Block # Windows
What is port 4147 used for?
Port 4147 is assigned by IANA to vrxpservman (Multum Service Manager).
Is port 4147 TCP or UDP?
Port 4147 is registered for TCP and UDP.
Is it safe to open port 4147?
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 4147 is open?
On Linux run "ss -ltnup 'sport = :4147'", on macOS "lsof -nP -i :4147", and on Windows "netstat -ano | findstr :4147" to see the local process. From another machine, "nmap -p 4147 <host>" shows whether it is reachable.