Port 3725

na-er-tip · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicena-er-tip
Registered2003-04

Frequently asked questions

What is port 3725 used for?

Port 3725 is registered with the IANA for na-er-tip (TCP/UDP). Description: Netia NA-ER Port.

Is port 3725 a well-known port?

No. Port 3725 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 3725 is open?

Locally on Linux with ss -tulpn | grep ':3725\b', on Windows with netstat -ano | findstr :3725. To test a remote host use Test-NetConnection <host> -Port 3725 in PowerShell or nc -zv <host> 3725 on Linux/macOS.

How do I open port 3725 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 3725/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3725/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3725" -Direction Inbound -Protocol TCP -LocalPort 3725 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPna-er-tipNetia NA-ER Port
UDPna-er-tipNetia NA-ER Port

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