Port 7121

virprot-lm · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicevirprot-lm

Frequently asked questions

What is port 7121 used for?

Port 7121 is registered with the IANA for virprot-lm (TCP/UDP). Description: Virtual Prototypes License Manager.

Is port 7121 a well-known port?

No. Port 7121 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 7121 is open?

Locally on Linux with ss -tulpn | grep ':7121\b', on Windows with netstat -ano | findstr :7121. To test a remote host use Test-NetConnection <host> -Port 7121 in PowerShell or nc -zv <host> 7121 on Linux/macOS.

How do I open port 7121 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 7121/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=7121/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 7121" -Direction Inbound -Protocol TCP -LocalPort 7121 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPvirprot-lmVirtual Prototypes License Manager
UDPvirprot-lmVirtual Prototypes License Manager

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