Port 3363

nati-vi-server · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicenati-vi-server

Frequently asked questions

What is port 3363 used for?

Port 3363 is registered with the IANA for nati-vi-server (TCP/UDP). Description: NATI Vi Server.

Is port 3363 a well-known port?

No. Port 3363 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 3363 is open?

Locally on Linux with ss -tulpn | grep ':3363\b', on Windows with netstat -ano | findstr :3363. To test a remote host use Test-NetConnection <host> -Port 3363 in PowerShell or nc -zv <host> 3363 on Linux/macOS.

How do I open port 3363 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 3363/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3363/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3363" -Direction Inbound -Protocol TCP -LocalPort 3363 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPnati-vi-serverNATI Vi Server
UDPnati-vi-serverNATI Vi Server

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