CyberHunter
// Media & streaming

Port 2264: Audio Precision Apx500 API Port 1

Port 2264 is assigned by IANA to apx500api-1 (Audio Precision Apx500 API Port 1).

2264

How apx500api-1 works

Media & streaming
playercameraapx500api-1 playercameraapx500api-1

The device streams video frames over port 2264, 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 2264 dangerous?

We have no specific security note for port 2264. 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 2264

ServicePortTransportDescriptionReferenceUpdated
apx500api-1 2264 TCP, UDP Audio Precision Apx500 API Port 1 - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2264, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2264'      # process listening on 2264
sudo lsof -nP -i :2264

macOS

sudo lsof -nP -i :2264

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2264 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2264
netstat -ano | findstr :2264

From another machine

nmap -p 2264 -sV <host>
sudo nmap -sU -p 2264 <host>
nc -zv <host> 2264

Block it in the firewall

sudo ufw deny 2264/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2264" -Direction Inbound -LocalPort 2264 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2264 used for?

Port 2264 is assigned by IANA to apx500api-1 (Audio Precision Apx500 API Port 1).

Is port 2264 TCP or UDP?

Port 2264 is registered for TCP and UDP.

Is it safe to open port 2264?

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 2264 is open?

On Linux run "ss -ltnup 'sport = :2264'", on macOS "lsof -nP -i :2264", and on Windows "netstat -ano | findstr :2264" to see the local process. From another machine, "nmap -p 2264 <host>" shows whether it is reachable.

05 Related