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// Other services

Port 1402: Prospero Resource Manager

Port 1402 is assigned by IANA to prm-sm-np (Prospero Resource Manager).

1402

How prm-sm-np works

Other services
client:1402prm-sm-npresponse client:1402prm-sm-npresponse

The client sends a request to port 1402 and the prm-sm-np 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 1402 dangerous?

We have no specific security note for port 1402. 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 1402

ServicePortTransportDescriptionReferenceUpdated
prm-sm-np 1402 TCP, UDP Prospero Resource Manager - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 1402, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1402'      # process listening on 1402
sudo lsof -nP -i :1402

macOS

sudo lsof -nP -i :1402

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1402 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1402
netstat -ano | findstr :1402

From another machine

nmap -p 1402 -sV <host>
sudo nmap -sU -p 1402 <host>
nc -zv <host> 1402

Block it in the firewall

sudo ufw deny 1402/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1402" -Direction Inbound -LocalPort 1402 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1402 used for?

Port 1402 is assigned by IANA to prm-sm-np (Prospero Resource Manager).

Is port 1402 TCP or UDP?

Port 1402 is registered for TCP and UDP.

Is it safe to open port 1402?

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 1402 is open?

On Linux run "ss -ltnup 'sport = :1402'", on macOS "lsof -nP -i :1402", and on Windows "netstat -ano | findstr :1402" to see the local process. From another machine, "nmap -p 1402 <host>" shows whether it is reachable.

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