Port 2201

ats · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Serviceats

Frequently asked questions

What is port 2201 used for?

Port 2201 is registered with the IANA for ats (TCP/UDP). Description: Advanced Training System Program.

Is port 2201 a well-known port?

No. Port 2201 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 2201 is open?

Locally on Linux with ss -tulpn | grep ':2201\b', on Windows with netstat -ano | findstr :2201. To test a remote host use Test-NetConnection <host> -Port 2201 in PowerShell or nc -zv <host> 2201 on Linux/macOS.

How do I open port 2201 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 2201/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=2201/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 2201" -Direction Inbound -Protocol TCP -LocalPort 2201 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPatsAdvanced Training System Program
UDPatsAdvanced Training System Program

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