Port 10100

itap-ddtp · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Serviceitap-ddtp
Registered2004-05

Frequently asked questions

What is port 10100 used for?

Port 10100 is registered with the IANA for itap-ddtp (TCP/UDP). Description: VERITAS ITAP DDTP.

Is port 10100 a well-known port?

No. Port 10100 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 10100 is open?

Locally on Linux with ss -tulpn | grep ':10100\b', on Windows with netstat -ano | findstr :10100. To test a remote host use Test-NetConnection <host> -Port 10100 in PowerShell or nc -zv <host> 10100 on Linux/macOS.

How do I open port 10100 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 10100/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=10100/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 10100" -Direction Inbound -Protocol TCP -LocalPort 10100 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPitap-ddtpVERITAS ITAP DDTP
UDPitap-ddtpVERITAS ITAP DDTP

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