Port 20167

tolfab · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicetolfab
Registered2006-03

Frequently asked questions

What is port 20167 used for?

Port 20167 is registered with the IANA for tolfab (TCP/UDP). Description: TOLfab Data Change.

Is port 20167 a well-known port?

No. Port 20167 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 20167 is open?

Locally on Linux with ss -tulpn | grep ':20167\b', on Windows with netstat -ano | findstr :20167. To test a remote host use Test-NetConnection <host> -Port 20167 in PowerShell or nc -zv <host> 20167 on Linux/macOS.

How do I open port 20167 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 20167/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=20167/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 20167" -Direction Inbound -Protocol TCP -LocalPort 20167 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPtolfabTOLfab Data Change
UDPtolfabTOLfab Data Change

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