Port 4023

esnm-zoning · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Serviceesnm-zoning

Frequently asked questions

What is port 4023 used for?

Port 4023 is registered with the IANA for esnm-zoning (TCP/UDP). Description: ESNM Zoning Port.

Is port 4023 a well-known port?

No. Port 4023 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 4023 is open?

Locally on Linux with ss -tulpn | grep ':4023\b', on Windows with netstat -ano | findstr :4023. To test a remote host use Test-NetConnection <host> -Port 4023 in PowerShell or nc -zv <host> 4023 on Linux/macOS.

How do I open port 4023 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 4023/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=4023/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 4023" -Direction Inbound -Protocol TCP -LocalPort 4023 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPesnm-zoningESNM Zoning Port
UDPesnm-zoningESNM Zoning Port

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