Port 3985

mapper-mapethd · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicemapper-mapethd

Frequently asked questions

What is port 3985 used for?

Port 3985 is registered with the IANA for mapper-mapethd (TCP/UDP). Description: MAPPER TCP/IP server.

Is port 3985 a well-known port?

No. Port 3985 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 3985 is open?

Locally on Linux with ss -tulpn | grep ':3985\b', on Windows with netstat -ano | findstr :3985. To test a remote host use Test-NetConnection <host> -Port 3985 in PowerShell or nc -zv <host> 3985 on Linux/macOS.

How do I open port 3985 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 3985/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3985/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3985" -Direction Inbound -Protocol TCP -LocalPort 3985 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPmapper-mapethdMAPPER TCP/IP server
UDPmapper-mapethdMAPPER TCP/IP server

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