Port 31457

tetrinet · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicetetrinet
Registered2004-11

Frequently asked questions

What is port 31457 used for?

Port 31457 is registered with the IANA for tetrinet (TCP/UDP). Description: TetriNET Protocol.

Is port 31457 a well-known port?

No. Port 31457 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 31457 is open?

Locally on Linux with ss -tulpn | grep ':31457\b', on Windows with netstat -ano | findstr :31457. To test a remote host use Test-NetConnection <host> -Port 31457 in PowerShell or nc -zv <host> 31457 on Linux/macOS.

How do I open port 31457 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 31457/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=31457/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 31457" -Direction Inbound -Protocol TCP -LocalPort 31457 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPtetrinetTetriNET Protocol
UDPtetrinetTetriNET Protocol

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