CyberHunter
// Media & streaming

Port 1825: DirecPC Video

Port 1825 is assigned by IANA to direcpc-video (DirecPC Video).

1825

How direcpc-video works

Media & streaming
playercameradirecpc-video playercameradirecpc-video

The device streams video frames over port 1825, 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 1825 dangerous?

We have no specific security note for port 1825. 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 1825

ServicePortTransportDescriptionReferenceUpdated
direcpc-video 1825 TCP, UDP DirecPC Video - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 1825, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1825'      # process listening on 1825
sudo lsof -nP -i :1825

macOS

sudo lsof -nP -i :1825

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1825 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1825
netstat -ano | findstr :1825

From another machine

nmap -p 1825 -sV <host>
sudo nmap -sU -p 1825 <host>
nc -zv <host> 1825

Block it in the firewall

sudo ufw deny 1825/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1825" -Direction Inbound -LocalPort 1825 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1825 used for?

Port 1825 is assigned by IANA to direcpc-video (DirecPC Video).

Is port 1825 TCP or UDP?

Port 1825 is registered for TCP and UDP.

Is it safe to open port 1825?

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 1825 is open?

On Linux run "ss -ltnup 'sport = :1825'", on macOS "lsof -nP -i :1825", and on Windows "netstat -ano | findstr :1825" to see the local process. From another machine, "nmap -p 1825 <host>" shows whether it is reachable.

05 Related