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// Other services

Port 9632: Mobile-C Communications

Port 9632 is assigned by IANA to mc-comm (Mobile-C Communications).

9632

How mc-comm works

Other services
client:9632mc-commresponse client:9632mc-commresponse

The client sends a request to port 9632 and the mc-comm service answers.

Transport
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 9632 dangerous?

We have no specific security note for port 9632. 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 9632

ServicePortTransportDescriptionReferenceUpdated
mc-comm 9632 UDP Mobile-C Communications - 2009-09-14
-9632-Reserved--

// source: IANA service name and port number registry

03 Check it

Which program uses port 9632, and is it reachable?

Linux

sudo ss -ltnup 'sport = :9632'      # process listening on 9632
sudo lsof -nP -i :9632

macOS

sudo lsof -nP -i :9632

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 9632 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 9632
netstat -ano | findstr :9632

From another machine

nmap -p 9632 -sV <host>
sudo nmap -sU -p 9632 <host>
nc -zv <host> 9632

Block it in the firewall

sudo ufw deny 9632/udp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 9632" -Direction Inbound -LocalPort 9632 -Protocol UDP -Action Block  # Windows
04 FAQ
What is port 9632 used for?

Port 9632 is assigned by IANA to mc-comm (Mobile-C Communications).

Is port 9632 TCP or UDP?

Port 9632 is registered for UDP.

Is it safe to open port 9632?

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 9632 is open?

On Linux run "ss -ltnup 'sport = :9632'", on macOS "lsof -nP -i :9632", and on Windows "netstat -ano | findstr :9632" to see the local process. From another machine, "nmap -p 9632 <host>" shows whether it is reachable.

05 Related
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