Port 3801

ibm-mgr · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Serviceibm-mgr
Registered2006-03

Frequently asked questions

What is port 3801 used for?

Port 3801 is registered with the IANA for ibm-mgr (TCP/UDP). Description: ibm manager service.

Is port 3801 a well-known port?

No. Port 3801 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 3801 is open?

Locally on Linux with ss -tulpn | grep ':3801\b', on Windows with netstat -ano | findstr :3801. To test a remote host use Test-NetConnection <host> -Port 3801 in PowerShell or nc -zv <host> 3801 on Linux/macOS.

How do I open port 3801 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 3801/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3801/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3801" -Direction Inbound -Protocol TCP -LocalPort 3801 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPibm-mgribm manager service
UDPibm-mgribm manager service

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