Port 6420

nim-vdrshell · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicenim-vdrshell
Registered2006-02

Frequently asked questions

What is port 6420 used for?

Port 6420 is registered with the IANA for nim-vdrshell (TCP/UDP). Description: NIM_VDRShell.

Is port 6420 a well-known port?

No. Port 6420 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 6420 is open?

Locally on Linux with ss -tulpn | grep ':6420\b', on Windows with netstat -ano | findstr :6420. To test a remote host use Test-NetConnection <host> -Port 6420 in PowerShell or nc -zv <host> 6420 on Linux/macOS.

How do I open port 6420 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 6420/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=6420/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 6420" -Direction Inbound -Protocol TCP -LocalPort 6420 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPnim-vdrshellNIM_VDRShell
UDPnim-vdrshellNIM_VDRShell

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