Port 1657

fujitsu-mmpdc · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicefujitsu-mmpdc

Frequently asked questions

What is port 1657 used for?

Port 1657 is registered with the IANA for fujitsu-mmpdc (TCP/UDP). Description: fujitsu-mmpdc.

Is port 1657 a well-known port?

No. Port 1657 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 1657 is open?

Locally on Linux with ss -tulpn | grep ':1657\b', on Windows with netstat -ano | findstr :1657. To test a remote host use Test-NetConnection <host> -Port 1657 in PowerShell or nc -zv <host> 1657 on Linux/macOS.

How do I open port 1657 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 1657/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=1657/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 1657" -Direction Inbound -Protocol TCP -LocalPort 1657 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPfujitsu-mmpdcfujitsu-mmpdc
UDPfujitsu-mmpdcfujitsu-mmpdc

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