Port 25900

tasp-net · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicetasp-net
Registered2004-11

Frequently asked questions

What is port 25900 used for?

Port 25900 is registered with the IANA for tasp-net (TCP/UDP). Description: TASP Network Comm.

Is port 25900 a well-known port?

No. Port 25900 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 25900 is open?

Locally on Linux with ss -tulpn | grep ':25900\b', on Windows with netstat -ano | findstr :25900. To test a remote host use Test-NetConnection <host> -Port 25900 in PowerShell or nc -zv <host> 25900 on Linux/macOS.

How do I open port 25900 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 25900/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=25900/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 25900" -Direction Inbound -Protocol TCP -LocalPort 25900 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPtasp-netTASP Network Comm
UDPtasp-netTASP Network Comm

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