Registered · Cross-platform

3671 KNXnet/IP

TCP Yes
UDP Yes
SCTP
DCCP

What it is

KNX building automation over IP.

When / why

Smart-building control. Isolate.

Protocol status detail

TransportStatusMeaning
TCP Yes Assigned by IANA and standardized, specified, or widely used on this port.
UDP Yes Assigned by IANA and standardized, specified, or widely used on this port.
SCTP Not applicable for this transport.
DCCP Not applicable for this transport.

Port range

Registered (1024–49151). Assigned by IANA on request; usable without elevated privileges on most systems.

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