Port 4676

dhct-alerts · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicedhct-alerts
Registered2005-08

Frequently asked questions

What is port 4676 used for?

Port 4676 is registered with the IANA for dhct-alerts (TCP/UDP). Description: BIAP Generic Alert.

Is port 4676 a well-known port?

No. Port 4676 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 4676 is open?

Locally on Linux with ss -tulpn | grep ':4676\b', on Windows with netstat -ano | findstr :4676. To test a remote host use Test-NetConnection <host> -Port 4676 in PowerShell or nc -zv <host> 4676 on Linux/macOS.

How do I open port 4676 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 4676/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=4676/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 4676" -Direction Inbound -Protocol TCP -LocalPort 4676 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPdhct-alertsBIAP Generic Alert
UDPdhct-alertsBIAP Generic Alert

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