Port 3938

dbcontrol-agent and dbcontrol_agent · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicedbcontrol-agent and dbcontrol_agent
Registered2003-11

Frequently asked questions

What is port 3938 used for?

Port 3938 is registered with the IANA for dbcontrol-agent and dbcontrol_agent (TCP/UDP). Description: Oracle dbControl Agent po IANA assigned this well-formed service name as a replacement for "dbcontrol_agent".; Oracle dbControl Agent po.

Is port 3938 a well-known port?

No. Port 3938 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 3938 is open?

Locally on Linux with ss -tulpn | grep ':3938\b', on Windows with netstat -ano | findstr :3938. To test a remote host use Test-NetConnection <host> -Port 3938 in PowerShell or nc -zv <host> 3938 on Linux/macOS.

How do I open port 3938 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 3938/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3938/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3938" -Direction Inbound -Protocol TCP -LocalPort 3938 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPdbcontrol-agentOracle dbControl Agent po IANA assigned this well-formed service name as a replacement for "dbcontrol_agent".
TCPdbcontrol_agentOracle dbControl Agent po
UDPdbcontrol-agentOracle dbControl Agent po IANA assigned this well-formed service name as a replacement for "dbcontrol_agent".
UDPdbcontrol_agentOracle dbControl Agent po

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