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// Other services

Port 49000: Matahari Broker

Port 49000 is assigned by IANA to matahari (Matahari Broker).

49000

How matahari works

Other services
client:49000matahariresponse client:49000matahariresponse

The client sends a request to port 49000 and the matahari service answers.

Transport
TCP
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 49000 dangerous?

We have no specific security note for port 49000. 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 49000

ServicePortTransportDescriptionReferenceUpdated
matahari 49000 TCP Matahari Broker - 2011-08-31
-49000-Reserved--

// source: IANA service name and port number registry

03 Check it

Which program uses port 49000, and is it reachable?

Linux

sudo ss -ltnup 'sport = :49000'      # process listening on 49000
sudo lsof -nP -i :49000

macOS

sudo lsof -nP -i :49000

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 49000 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 49000
netstat -ano | findstr :49000

From another machine

nmap -p 49000 -sV <host>
nc -zv <host> 49000

Block it in the firewall

sudo ufw deny 49000/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 49000" -Direction Inbound -LocalPort 49000 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 49000 used for?

Port 49000 is assigned by IANA to matahari (Matahari Broker).

Is port 49000 TCP or UDP?

Port 49000 is registered for TCP.

Is it safe to open port 49000?

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 49000 is open?

On Linux run "ss -ltnup 'sport = :49000'", on macOS "lsof -nP -i :49000", and on Windows "netstat -ano | findstr :49000" to see the local process. From another machine, "nmap -p 49000 <host>" shows whether it is reachable.

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