CyberHunter
Local dataset, no network
// Other services

Port 4552: Men and Mice Monitoring

Port 4552 is assigned by IANA to menandmice-mon (Men and Mice Monitoring).

4552

How menandmice-mon works

Other services
client:4552menandmice-monresponse client:4552menandmice-monresponse

The client sends a request to port 4552 and the menandmice-mon 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 4552 dangerous?

We have no specific security note for port 4552. 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 4552

ServicePortTransportDescriptionReferenceUpdated
menandmice-mon 4552 TCP, UDP Men and Mice Monitoring - 2009-05-20

// source: IANA service name and port number registry

03 Check it

Which program uses port 4552, and is it reachable?

Linux

sudo ss -ltnup 'sport = :4552'      # process listening on 4552
sudo lsof -nP -i :4552

macOS

sudo lsof -nP -i :4552

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 4552 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 4552
netstat -ano | findstr :4552

From another machine

nmap -p 4552 -sV <host>
sudo nmap -sU -p 4552 <host>
nc -zv <host> 4552

Block it in the firewall

sudo ufw deny 4552/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 4552" -Direction Inbound -LocalPort 4552 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 4552 used for?

Port 4552 is assigned by IANA to menandmice-mon (Men and Mice Monitoring).

Is port 4552 TCP or UDP?

Port 4552 is registered for TCP and UDP.

Is it safe to open port 4552?

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 4552 is open?

On Linux run "ss -ltnup 'sport = :4552'", on macOS "lsof -nP -i :4552", and on Windows "netstat -ano | findstr :4552" to see the local process. From another machine, "nmap -p 4552 <host>" shows whether it is reachable.

05 Related
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