Port 19540

sxuptp · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicesxuptp
Registered2002-08

Frequently asked questions

What is port 19540 used for?

Port 19540 is registered with the IANA for sxuptp (TCP/UDP). Description: SXUPTP.

Is port 19540 a well-known port?

No. Port 19540 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 19540 is open?

Locally on Linux with ss -tulpn | grep ':19540\b', on Windows with netstat -ano | findstr :19540. To test a remote host use Test-NetConnection <host> -Port 19540 in PowerShell or nc -zv <host> 19540 on Linux/macOS.

How do I open port 19540 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 19540/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=19540/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 19540" -Direction Inbound -Protocol TCP -LocalPort 19540 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPsxuptpSXUPTP
UDPsxuptpSXUPTP

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