Dropbox Protocol
This page provides information on the Dropbox Protocol detected by the Netify DPI engine. The protocol operates on TCP port 17500 and UDP port 17500, both officially registered with the IANA.
Protocol Description
Dropbox is a file hosting and storage service that is used to synchronize files across multiple computing devices. The Dropbox protocol - also called LAN Sync - allows computers on a local network to synchronize files across other computers.
Please see the protocol catalog page for information on other protocols detected by Netify DPI.
Protocol Details
- ID
- 121
- Category Tag
- file-sharing
- Category
- File Sharing
- Home Page
- Dropbox
- Introduced
- Version 2.88
Protocol Ports - RFC
- TCP 17500
- Dropbox LanSync Protocol
- UDP 17500
- Dropbox LanSync Discovery
Best Practices
Most Dropbox traffic is still transferred over standard SSL connections, but you should still see the Dropbox LAN Sync protocol in use when the Dropbox app is active on a target system.
Related Protocols
Review the File Sharing category suite below, or explore the complete protocol catalog.