Port 40843

csccfirewall · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicecsccfirewall

Frequently asked questions

What is port 40843 used for?

Port 40843 is registered with the IANA for csccfirewall (TCP/UDP). Description: CSCCFIREWALL.

Is port 40843 a well-known port?

No. Port 40843 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 40843 is open?

Locally on Linux with ss -tulpn | grep ':40843\b', on Windows with netstat -ano | findstr :40843. To test a remote host use Test-NetConnection <host> -Port 40843 in PowerShell or nc -zv <host> 40843 on Linux/macOS.

How do I open port 40843 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 40843/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=40843/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 40843" -Direction Inbound -Protocol TCP -LocalPort 40843 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPcsccfirewallCSCCFIREWALL
UDPcsccfirewallCSCCFIREWALL

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