Port 702

iris-beep · TCP/UDP

RangeSystem/well-known port (0–1023)
ProtocolTCP/UDP
Serviceiris-beep
ReferenceRFC 3983

Frequently asked questions

What is port 702 used for?

Port 702 is registered with the IANA for iris-beep (TCP/UDP). Description: IRIS over BEEP.

Is port 702 a well-known port?

Yes. Port 702 is in the range 0–1023 (system or well-known ports). On Linux and macOS only privileged processes may bind to these ports.

How do I check whether port 702 is open?

Locally on Linux with ss -tulpn | grep ':702\b', on Windows with netstat -ano | findstr :702. To test a remote host use Test-NetConnection <host> -Port 702 in PowerShell or nc -zv <host> 702 on Linux/macOS.

How do I open port 702 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 702/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=702/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 702" -Direction Inbound -Protocol TCP -LocalPort 702 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPiris-beepIRIS over BEEP
UDPiris-beepIRIS over BEEP

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