Port 2979

h263-video · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Serviceh263-video

Frequently asked questions

What is port 2979 used for?

Port 2979 is registered with the IANA for h263-video (TCP/UDP). Description: H.263 Video Streaming.

Is port 2979 a well-known port?

No. Port 2979 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 2979 is open?

Locally on Linux with ss -tulpn | grep ':2979\b', on Windows with netstat -ano | findstr :2979. To test a remote host use Test-NetConnection <host> -Port 2979 in PowerShell or nc -zv <host> 2979 on Linux/macOS.

How do I open port 2979 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 2979/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=2979/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 2979" -Direction Inbound -Protocol TCP -LocalPort 2979 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPh263-videoH.263 Video Streaming
UDPh263-videoH.263 Video Streaming

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