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// Other services

Port 2384: SD-CAPACITY

Port 2384 is assigned by IANA to sd-capacity (SD-CAPACITY), sd-request (SD-REQUEST).

2384

How sd-capacity works

Other services
client:2384sd-capacityresponse client:2384sd-capacityresponse

The client sends a request to port 2384 and the sd-capacity service answers.

Transport
UDP · TCP
Exposure risk
not rated depends on the program listening
Encryption
Unknownnot stated by the registry
IANA status
Assigned2 registered services
Range
Registered (1024-49151)
Category
Other services
01 Security

Is port 2384 dangerous?

We have no specific security note for port 2384. 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 2384

ServicePortTransportDescriptionReferenceUpdated
sd-capacity 2384 UDP SD-CAPACITY - -
sd-request 2384 TCP SD-REQUEST - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2384, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2384'      # process listening on 2384
sudo lsof -nP -i :2384

macOS

sudo lsof -nP -i :2384

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2384 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2384
netstat -ano | findstr :2384

From another machine

nmap -p 2384 -sV <host>
sudo nmap -sU -p 2384 <host>
nc -zv <host> 2384

Block it in the firewall

sudo ufw deny 2384/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2384" -Direction Inbound -LocalPort 2384 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2384 used for?

Port 2384 is assigned by IANA to sd-capacity (SD-CAPACITY), sd-request (SD-REQUEST).

Is port 2384 TCP or UDP?

Port 2384 is registered for UDP and TCP.

Is it safe to open port 2384?

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 2384 is open?

On Linux run "ss -ltnup 'sport = :2384'", on macOS "lsof -nP -i :2384", and on Windows "netstat -ano | findstr :2384" to see the local process. From another machine, "nmap -p 2384 <host>" shows whether it is reachable.

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