Port 3943

tig · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicetig
Registered2003-12

Frequently asked questions

What is port 3943 used for?

Port 3943 is registered with the IANA for tig (TCP/UDP). Description: TetraNode Ip Gateway.

Is port 3943 a well-known port?

No. Port 3943 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 3943 is open?

Locally on Linux with ss -tulpn | grep ':3943\b', on Windows with netstat -ano | findstr :3943. To test a remote host use Test-NetConnection <host> -Port 3943 in PowerShell or nc -zv <host> 3943 on Linux/macOS.

How do I open port 3943 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 3943/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3943/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3943" -Direction Inbound -Protocol TCP -LocalPort 3943 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPtigTetraNode Ip Gateway
UDPtigTetraNode Ip Gateway

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