Port 2689

fastlynx · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicefastlynx

Frequently asked questions

What is port 2689 used for?

Port 2689 is registered with the IANA for fastlynx (TCP/UDP). Description: FastLynx.

Is port 2689 a well-known port?

No. Port 2689 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 2689 is open?

Locally on Linux with ss -tulpn | grep ':2689\b', on Windows with netstat -ano | findstr :2689. To test a remote host use Test-NetConnection <host> -Port 2689 in PowerShell or nc -zv <host> 2689 on Linux/macOS.

How do I open port 2689 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 2689/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=2689/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 2689" -Direction Inbound -Protocol TCP -LocalPort 2689 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPfastlynxFastLynx
UDPfastlynxFastLynx

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