Port 4802

ilss · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Serviceilss

Frequently asked questions

What is port 4802 used for?

Port 4802 is registered with the IANA for ilss (TCP/UDP). Description: Icona License System Server.

Is port 4802 a well-known port?

No. Port 4802 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 4802 is open?

Locally on Linux with ss -tulpn | grep ':4802\b', on Windows with netstat -ano | findstr :4802. To test a remote host use Test-NetConnection <host> -Port 4802 in PowerShell or nc -zv <host> 4802 on Linux/macOS.

How do I open port 4802 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 4802/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=4802/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 4802" -Direction Inbound -Protocol TCP -LocalPort 4802 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPilssIcona License System Server
UDPilssIcona License System Server

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