// REFERENCE
Port 1900 (SSDP / UPnP)
Protocol: UDP
Service: SSDP
High risk
SSDP: UPnP device discovery on the LAN. Exposed to the Internet it's a powerful DDoS amplification vector and flags home routers/IoT. It must not leave the local network.
Related tools
Work with this in:
Related
67
Port 67 (DHCP server) 68
Port 68 (DHCP client) 123
Port 123 (NTP) 161
Port 161 (SNMP) 162
Port 162 (SNMP Trap) 179
Port 179 (BGP)
Port 67 (DHCP server) 68
Port 68 (DHCP client) 123
Port 123 (NTP) 161
Port 161 (SNMP) 162
Port 162 (SNMP Trap) 179
Port 179 (BGP)
Assignments per the IANA port registry. Educational content.