Port 3641

netplay-port2 · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicenetplay-port2
Registered2002-11

Frequently asked questions

What is port 3641 used for?

Port 3641 is registered with the IANA for netplay-port2 (TCP/UDP). Description: Netplay Port 2.

Is port 3641 a well-known port?

No. Port 3641 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 3641 is open?

Locally on Linux with ss -tulpn | grep ':3641\b', on Windows with netstat -ano | findstr :3641. To test a remote host use Test-NetConnection <host> -Port 3641 in PowerShell or nc -zv <host> 3641 on Linux/macOS.

How do I open port 3641 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 3641/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3641/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3641" -Direction Inbound -Protocol TCP -LocalPort 3641 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPnetplay-port2Netplay Port 2
UDPnetplay-port2Netplay Port 2

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