- 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 2979: H.263 Video Streaming
Port 2979 is assigned by IANA to h263-video (H.263 Video Streaming).
2979
How h263-video works
Media & streamingThe device streams video frames over port 2979, 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 2979 dangerous?
We have no specific security note for port 2979. Its risk depends on the program actually listening on it. General advice for media & streaming services:
IANA registry entries for port 2979
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| h263-video | 2979 | TCP, UDP | H.263 Video Streaming | - | - |
// source: IANA service name and port number registry
Which program uses port 2979, and is it reachable?
Linux
sudo ss -ltnup 'sport = :2979' # process listening on 2979
sudo lsof -nP -i :2979macOS
sudo lsof -nP -i :2979
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2979 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 2979 netstat -ano | findstr :2979
From another machine
nmap -p 2979 -sV <host> sudo nmap -sU -p 2979 <host> nc -zv <host> 2979
Block it in the firewall
sudo ufw deny 2979/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 2979" -Direction Inbound -LocalPort 2979 -Protocol TCP -Action Block # Windows
What is port 2979 used for?
Port 2979 is assigned by IANA to h263-video (H.263 Video Streaming).
Is port 2979 TCP or UDP?
Port 2979 is registered for TCP and UDP.
Is it safe to open port 2979?
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 2979 is open?
On Linux run "ss -ltnup 'sport = :2979'", on macOS "lsof -nP -i :2979", and on Windows "netstat -ano | findstr :2979" to see the local process. From another machine, "nmap -p 2979 <host>" shows whether it is reachable.