Port 140

emfis-data · TCP/UDP

RangeSystem/well-known port (0–1023)
ProtocolTCP/UDP
Serviceemfis-data

Frequently asked questions

What is port 140 used for?

Port 140 is registered with the IANA for emfis-data (TCP/UDP). Description: EMFIS Data Service.

Is port 140 a well-known port?

Yes. Port 140 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 140 is open?

Locally on Linux with ss -tulpn | grep ':140\b', on Windows with netstat -ano | findstr :140. To test a remote host use Test-NetConnection <host> -Port 140 in PowerShell or nc -zv <host> 140 on Linux/macOS.

How do I open port 140 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 140/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=140/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 140" -Direction Inbound -Protocol TCP -LocalPort 140 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPemfis-dataEMFIS Data Service
UDPemfis-dataEMFIS Data Service

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