Port 4681

parliant · TCP/UDP

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

Frequently asked questions

What is port 4681 used for?

Port 4681 is registered with the IANA for parliant (TCP/UDP). Description: Parliant Telephony System.

Is port 4681 a well-known port?

No. Port 4681 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 4681 is open?

Locally on Linux with ss -tulpn | grep ':4681\b', on Windows with netstat -ano | findstr :4681. To test a remote host use Test-NetConnection <host> -Port 4681 in PowerShell or nc -zv <host> 4681 on Linux/macOS.

How do I open port 4681 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 4681/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=4681/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 4681" -Direction Inbound -Protocol TCP -LocalPort 4681 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPparliantParliant Telephony System
UDPparliantParliant Telephony System

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