- 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 3336: Direct TV Tickers
Port 3336 is assigned by IANA to directv-tick (Direct TV Tickers).
3336
How directv-tick works
Media & streamingThe device streams video frames over port 3336, 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)
- Category
- Media & streaming
Is port 3336 dangerous?
We have no specific security note for port 3336. Its risk depends on the program actually listening on it. General advice for media & streaming services:
IANA registry entries for port 3336
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| directv-tick | 3336 | TCP, UDP | Direct TV Tickers | - | - |
// source: IANA service name and port number registry
Which program uses port 3336, and is it reachable?
Linux
sudo ss -ltnup 'sport = :3336' # process listening on 3336
sudo lsof -nP -i :3336macOS
sudo lsof -nP -i :3336
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3336 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 3336 netstat -ano | findstr :3336
From another machine
nmap -p 3336 -sV <host> sudo nmap -sU -p 3336 <host> nc -zv <host> 3336
Block it in the firewall
sudo ufw deny 3336/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 3336" -Direction Inbound -LocalPort 3336 -Protocol TCP -Action Block # Windows
What is port 3336 used for?
Port 3336 is assigned by IANA to directv-tick (Direct TV Tickers).
Is port 3336 TCP or UDP?
Port 3336 is registered for TCP and UDP.
Is it safe to open port 3336?
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 3336 is open?
On Linux run "ss -ltnup 'sport = :3336'", on macOS "lsof -nP -i :3336", and on Windows "netstat -ano | findstr :3336" to see the local process. From another machine, "nmap -p 3336 <host>" shows whether it is reachable.