CyberHunter
Local dataset, no network
// Media & streaming

Port 2363: Media Central NFSD

Port 2363 is assigned by IANA to mediacntrlnfsd (Media Central NFSD).

2363

How mediacntrlnfsd works

Media & streaming
playercameramediacntrlnfsd playercameramediacntrlnfsd

The device streams video frames over port 2363, continuously, as they are captured.

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 2363 dangerous?

We have no specific security note for port 2363. Its risk depends on the program actually listening on it. General advice for media & streaming services:

  • Require authentication on cameras and media servers.
  • Keep IP cameras and recorders off the Internet; use a VPN for remote viewing.
  • Update device firmware.
02 Registry

IANA registry entries for port 2363

ServicePortTransportDescriptionReferenceUpdated
mediacntrlnfsd 2363 TCP, UDP Media Central NFSD - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2363, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2363'      # process listening on 2363
sudo lsof -nP -i :2363

macOS

sudo lsof -nP -i :2363

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2363 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2363
netstat -ano | findstr :2363

From another machine

nmap -p 2363 -sV <host>
sudo nmap -sU -p 2363 <host>
nc -zv <host> 2363

Block it in the firewall

sudo ufw deny 2363/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2363" -Direction Inbound -LocalPort 2363 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2363 used for?

Port 2363 is assigned by IANA to mediacntrlnfsd (Media Central NFSD).

Is port 2363 TCP or UDP?

Port 2363 is registered for TCP and UDP.

Is it safe to open port 2363?

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. Require authentication on cameras and media servers.

How do I check if port 2363 is open?

On Linux run "ss -ltnup 'sport = :2363'", on macOS "lsof -nP -i :2363", and on Windows "netstat -ano | findstr :2363" to see the local process. From another machine, "nmap -p 2363 <host>" shows whether it is reachable.

05 Related

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