Port 3539

ibm-diradm-ssl · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Serviceibm-diradm-ssl
Registered2002-07

Frequently asked questions

What is port 3539 used for?

Port 3539 is registered with the IANA for ibm-diradm-ssl (TCP/UDP). Description: IBM Directory Server SSL.

Is port 3539 a well-known port?

No. Port 3539 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 3539 is open?

Locally on Linux with ss -tulpn | grep ':3539\b', on Windows with netstat -ano | findstr :3539. To test a remote host use Test-NetConnection <host> -Port 3539 in PowerShell or nc -zv <host> 3539 on Linux/macOS.

How do I open port 3539 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 3539/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3539/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3539" -Direction Inbound -Protocol TCP -LocalPort 3539 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPibm-diradm-sslIBM Directory Server SSL
UDPibm-diradm-sslIBM Directory Server SSL

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