Port 1900 is used for UPnP (Universal Plug and Play) multi-cast discovery of devices and services on a network. Devices and services use this port to announce their presence and capabilities to other devices on the same network. This allows devices to automatically discover and interact with each other without the need for manual configuration.
Ports those registered with IANA are shown as official ports. The same port number may be unofficialy used by various services or applications. The official usage are listed separately below its usage may change from time to time.
Official
Port |
Protocol (TCP/UDP) |
Title |
Description |
Port Type |
Port 1900 |
tcp |
ssdp |
SSDP |
REGISTERED PORT |
Port 1900 |
udp |
ssdp |
SSDP |
REGISTERED PORT |
UnOfficial
Unofficialy or sometimes with conflict, the same port may be used by different applications.
Port | Protocol (TCP/UDP) | Description |