Port 9987

dsm-scm-target · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicedsm-scm-target
Registered2006-08

Frequently asked questions

What is port 9987 used for?

Port 9987 is registered with the IANA for dsm-scm-target (TCP/UDP). Description: DSM/SCM Target Interface.

Is port 9987 a well-known port?

No. Port 9987 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 9987 is open?

Locally on Linux with ss -tulpn | grep ':9987\b', on Windows with netstat -ano | findstr :9987. To test a remote host use Test-NetConnection <host> -Port 9987 in PowerShell or nc -zv <host> 9987 on Linux/macOS.

How do I open port 9987 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 9987/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=9987/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 9987" -Direction Inbound -Protocol TCP -LocalPort 9987 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPdsm-scm-targetDSM/SCM Target Interface
UDPdsm-scm-targetDSM/SCM Target Interface

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