Port 4420

nvme · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicenvme
Registered2016-03-31
Modified2018-03-27

Frequently asked questions

What is port 4420 used for?

Port 4420 is registered with the IANA for nvme (TCP/UDP). Description: NVM Express over Fabrics storage access.

Is port 4420 a well-known port?

No. Port 4420 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 4420 is open?

Locally on Linux with ss -tulpn | grep ':4420\b', on Windows with netstat -ano | findstr :4420. To test a remote host use Test-NetConnection <host> -Port 4420 in PowerShell or nc -zv <host> 4420 on Linux/macOS.

How do I open port 4420 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 4420/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=4420/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 4420" -Direction Inbound -Protocol TCP -LocalPort 4420 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPnvmeNVM Express over Fabrics storage access
UDPnvmeNVM Express over Fabrics storage access

Nearby entries