CyberHunter
// Other services

Port 1427: mloadd monitoring tool

Port 1427 is assigned by IANA to mloadd (mloadd monitoring tool).

1427

How mloadd works

Other services
client:1427mloaddresponse client:1427mloaddresponse

The client sends a request to port 1427 and the mloadd 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)
01 Security

Is port 1427 dangerous?

We have no specific security note for port 1427. 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 1427

ServicePortTransportDescriptionReferenceUpdated
mloadd 1427 TCP, UDP mloadd monitoring tool - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 1427, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1427'      # process listening on 1427
sudo lsof -nP -i :1427

macOS

sudo lsof -nP -i :1427

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1427 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1427
netstat -ano | findstr :1427

From another machine

nmap -p 1427 -sV <host>
sudo nmap -sU -p 1427 <host>
nc -zv <host> 1427

Block it in the firewall

sudo ufw deny 1427/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1427" -Direction Inbound -LocalPort 1427 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1427 used for?

Port 1427 is assigned by IANA to mloadd (mloadd monitoring tool).

Is port 1427 TCP or UDP?

Port 1427 is registered for TCP and UDP.

Is it safe to open port 1427?

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 1427 is open?

On Linux run "ss -ltnup 'sport = :1427'", on macOS "lsof -nP -i :1427", and on Windows "netstat -ano | findstr :1427" to see the local process. From another machine, "nmap -p 1427 <host>" shows whether it is reachable.

05 Related