Port 3988

dcs-config · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicedcs-config
Registered2005-08

Frequently asked questions

What is port 3988 used for?

Port 3988 is registered with the IANA for dcs-config (TCP/UDP). Description: DCS Configuration Port.

Is port 3988 a well-known port?

No. Port 3988 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 3988 is open?

Locally on Linux with ss -tulpn | grep ':3988\b', on Windows with netstat -ano | findstr :3988. To test a remote host use Test-NetConnection <host> -Port 3988 in PowerShell or nc -zv <host> 3988 on Linux/macOS.

How do I open port 3988 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 3988/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3988/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3988" -Direction Inbound -Protocol TCP -LocalPort 3988 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPdcs-configDCS Configuration Port
UDPdcs-configDCS Configuration Port

Nearby entries