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// Other services

Port 1582: MSIMS

Port 1582 is assigned by IANA to msims (MSIMS).

1582

How msims works

Other services
client:1582msimsresponse client:1582msimsresponse

The client sends a request to port 1582 and the msims 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 1582 dangerous?

We have no specific security note for port 1582. 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 1582

ServicePortTransportDescriptionReferenceUpdated
msims 1582 TCP, UDP MSIMS - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 1582, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1582'      # process listening on 1582
sudo lsof -nP -i :1582

macOS

sudo lsof -nP -i :1582

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1582 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1582
netstat -ano | findstr :1582

From another machine

nmap -p 1582 -sV <host>
sudo nmap -sU -p 1582 <host>
nc -zv <host> 1582

Block it in the firewall

sudo ufw deny 1582/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1582" -Direction Inbound -LocalPort 1582 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1582 used for?

Port 1582 is assigned by IANA to msims (MSIMS).

Is port 1582 TCP or UDP?

Port 1582 is registered for TCP and UDP.

Is it safe to open port 1582?

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 1582 is open?

On Linux run "ss -ltnup 'sport = :1582'", on macOS "lsof -nP -i :1582", and on Windows "netstat -ano | findstr :1582" to see the local process. From another machine, "nmap -p 1582 <host>" shows whether it is reachable.

05 Related
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