Port 3320

officelink2000 · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Serviceofficelink2000

Frequently asked questions

What is port 3320 used for?

Port 3320 is registered with the IANA for officelink2000 (TCP/UDP). Description: Office Link 2000.

Is port 3320 a well-known port?

No. Port 3320 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 3320 is open?

Locally on Linux with ss -tulpn | grep ':3320\b', on Windows with netstat -ano | findstr :3320. To test a remote host use Test-NetConnection <host> -Port 3320 in PowerShell or nc -zv <host> 3320 on Linux/macOS.

How do I open port 3320 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 3320/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3320/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3320" -Direction Inbound -Protocol TCP -LocalPort 3320 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPofficelink2000Office Link 2000
UDPofficelink2000Office Link 2000

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