- 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 3335: Direct TV Software Updates
Port 3335 is assigned by IANA to directv-soft (Direct TV Software Updates).
3335
How directv-soft works
Media & streamingThe device streams video frames over port 3335, 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 3335 dangerous?
We have no specific security note for port 3335. Its risk depends on the program actually listening on it. General advice for media & streaming services:
IANA registry entries for port 3335
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| directv-soft | 3335 | TCP, UDP | Direct TV Software Updates | - | - |
// source: IANA service name and port number registry
Which program uses port 3335, and is it reachable?
Linux
sudo ss -ltnup 'sport = :3335' # process listening on 3335
sudo lsof -nP -i :3335macOS
sudo lsof -nP -i :3335
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3335 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 3335 netstat -ano | findstr :3335
From another machine
nmap -p 3335 -sV <host> sudo nmap -sU -p 3335 <host> nc -zv <host> 3335
Block it in the firewall
sudo ufw deny 3335/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 3335" -Direction Inbound -LocalPort 3335 -Protocol TCP -Action Block # Windows
What is port 3335 used for?
Port 3335 is assigned by IANA to directv-soft (Direct TV Software Updates).
Is port 3335 TCP or UDP?
Port 3335 is registered for TCP and UDP.
Is it safe to open port 3335?
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 3335 is open?
On Linux run "ss -ltnup 'sport = :3335'", on macOS "lsof -nP -i :3335", and on Windows "netstat -ano | findstr :3335" to see the local process. From another machine, "nmap -p 3335 <host>" shows whether it is reachable.