Port 3657

immedianet-bcn · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Serviceimmedianet-bcn
Registered2003-01

Frequently asked questions

What is port 3657 used for?

Port 3657 is registered with the IANA for immedianet-bcn (TCP/UDP). Description: ImmediaNet Beacon.

Is port 3657 a well-known port?

No. Port 3657 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 3657 is open?

Locally on Linux with ss -tulpn | grep ':3657\b', on Windows with netstat -ano | findstr :3657. To test a remote host use Test-NetConnection <host> -Port 3657 in PowerShell or nc -zv <host> 3657 on Linux/macOS.

How do I open port 3657 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 3657/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3657/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3657" -Direction Inbound -Protocol TCP -LocalPort 3657 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPimmedianet-bcnImmediaNet Beacon
UDPimmedianet-bcnImmediaNet Beacon

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