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// Other services

Port 9700: Board M.I.T. Service

Port 9700 is assigned by IANA to board-roar (Board M.I.T. Service).

9700

How board-roar works

Other services
client:9700board-roarresponse client:9700board-roarresponse

The client sends a request to port 9700 and the board-roar 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 9700 dangerous?

We have no specific security note for port 9700. 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 9700

ServicePortTransportDescriptionReferenceUpdated
board-roar 9700 TCP, UDP Board M.I.T. Service - 2006-01

// source: IANA service name and port number registry

03 Check it

Which program uses port 9700, and is it reachable?

Linux

sudo ss -ltnup 'sport = :9700'      # process listening on 9700
sudo lsof -nP -i :9700

macOS

sudo lsof -nP -i :9700

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 9700 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 9700
netstat -ano | findstr :9700

From another machine

nmap -p 9700 -sV <host>
sudo nmap -sU -p 9700 <host>
nc -zv <host> 9700

Block it in the firewall

sudo ufw deny 9700/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 9700" -Direction Inbound -LocalPort 9700 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 9700 used for?

Port 9700 is assigned by IANA to board-roar (Board M.I.T. Service).

Is port 9700 TCP or UDP?

Port 9700 is registered for TCP and UDP.

Is it safe to open port 9700?

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 9700 is open?

On Linux run "ss -ltnup 'sport = :9700'", on macOS "lsof -nP -i :9700", and on Windows "netstat -ano | findstr :9700" to see the local process. From another machine, "nmap -p 9700 <host>" shows whether it is reachable.

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