Port 3674

wininstall-ipc · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicewininstall-ipc
Registered2008-08-13

Frequently asked questions

What is port 3674 used for?

Port 3674 is registered with the IANA for wininstall-ipc (TCP/UDP). Description: WinINSTALL IPC Port.

Is port 3674 a well-known port?

No. Port 3674 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 3674 is open?

Locally on Linux with ss -tulpn | grep ':3674\b', on Windows with netstat -ano | findstr :3674. To test a remote host use Test-NetConnection <host> -Port 3674 in PowerShell or nc -zv <host> 3674 on Linux/macOS.

How do I open port 3674 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 3674/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3674/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3674" -Direction Inbound -Protocol TCP -LocalPort 3674 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPwininstall-ipcWinINSTALL IPC Port
UDPwininstall-ipcWinINSTALL IPC Port

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