| Port No | 1900 |
| Service Name | ssdp |
| RFC Doc | 0 |
| Protocol | TCP |
| Description | Simple Service Discovery Protocol is used by Microsoft Windows Universal Plug and Play to allow devices to share what capabilities they have and is similar to Apple's Rendevous protocol. |
| Reference Link | Port No:1900 Service Name:ssdp Protocol:TCP |
| Attack | Virtually any traffic inbound to port 1900 is likely an attack. Action: Firewall port 1900 inbound and outbound, UpnP traffic should generally be restricted to local subnets only. |
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