- Require authentication on cameras and media servers.
- Keep IP cameras and recorders off the Internet; use a VPN for remote viewing.
- Update device firmware.
Port 5909: Air-ground media advisory
Port 5909 is assigned by IANA to agma (Air-ground media advisory).
5909
How agma works
Media & streamingThe device streams video frames over port 5909, continuously, as they are captured.
- Transport
- TCP · UDP · SCTP
- 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
- Media & streaming
Is port 5909 dangerous?
We have no specific security note for port 5909. Its risk depends on the program actually listening on it. General advice for media & streaming services:
IANA registry entries for port 5909
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| agma | 5909 | TCP, UDP, SCTP | Air-ground media advisory | - | 2022-06-03 |
// source: IANA service name and port number registry
Which program uses port 5909, and is it reachable?
Linux
sudo ss -ltnup 'sport = :5909' # process listening on 5909
sudo lsof -nP -i :5909macOS
sudo lsof -nP -i :5909
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 5909 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 5909 netstat -ano | findstr :5909
From another machine
nmap -p 5909 -sV <host> sudo nmap -sU -p 5909 <host> nc -zv <host> 5909
Block it in the firewall
sudo ufw deny 5909/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 5909" -Direction Inbound -LocalPort 5909 -Protocol TCP -Action Block # Windows
What is port 5909 used for?
Port 5909 is assigned by IANA to agma (Air-ground media advisory).
Is port 5909 TCP or UDP?
Port 5909 is registered for TCP and UDP and SCTP.
Is it safe to open port 5909?
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 5909 is open?
On Linux run "ss -ltnup 'sport = :5909'", on macOS "lsof -nP -i :5909", and on Windows "netstat -ano | findstr :5909" to see the local process. From another machine, "nmap -p 5909 <host>" shows whether it is reachable.