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Local dataset, no network
// Other services

Port 5782: 3PAR Management Service

Port 5782 is assigned by IANA to 3par-mgmt (3PAR Management Service).

5782

How 3par-mgmt works

Other services
client:57823par-mgmtresponse client:57823par-mgmtresponse

The client sends a request to port 5782 and the 3par-mgmt 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 5782 dangerous?

We have no specific security note for port 5782. 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 5782

ServicePortTransportDescriptionReferenceUpdated
3par-mgmt 5782 TCP, UDP 3PAR Management Service - 2008-04-09

// source: IANA service name and port number registry

03 Check it

Which program uses port 5782, and is it reachable?

Linux

sudo ss -ltnup 'sport = :5782'      # process listening on 5782
sudo lsof -nP -i :5782

macOS

sudo lsof -nP -i :5782

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 5782 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 5782
netstat -ano | findstr :5782

From another machine

nmap -p 5782 -sV <host>
sudo nmap -sU -p 5782 <host>
nc -zv <host> 5782

Block it in the firewall

sudo ufw deny 5782/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 5782" -Direction Inbound -LocalPort 5782 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 5782 used for?

Port 5782 is assigned by IANA to 3par-mgmt (3PAR Management Service).

Is port 5782 TCP or UDP?

Port 5782 is registered for TCP and UDP.

Is it safe to open port 5782?

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 5782 is open?

On Linux run "ss -ltnup 'sport = :5782'", on macOS "lsof -nP -i :5782", and on Windows "netstat -ano | findstr :5782" to see the local process. From another machine, "nmap -p 5782 <host>" shows whether it is reachable.

05 Related
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