Port 1171

atc-appserver · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Serviceatc-appserver
Registered2004-02

Frequently asked questions

What is port 1171 used for?

Port 1171 is registered with the IANA for atc-appserver (TCP/UDP). Description: AT+C FmiApplicationServer.

Is port 1171 a well-known port?

No. Port 1171 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 1171 is open?

Locally on Linux with ss -tulpn | grep ':1171\b', on Windows with netstat -ano | findstr :1171. To test a remote host use Test-NetConnection <host> -Port 1171 in PowerShell or nc -zv <host> 1171 on Linux/macOS.

How do I open port 1171 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 1171/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=1171/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 1171" -Direction Inbound -Protocol TCP -LocalPort 1171 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPatc-appserverAT+C FmiApplicationServer
UDPatc-appserverAT+C FmiApplicationServer

Nearby entries