Port 690 is typically used for the Microsoft SharePoint Server 2010 User Profile Synchronization Service. This service is responsible for synchronizing user profile information between Microsoft SharePoint Server and other directory services, such as Active Directory.
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 690 |
tcp |
vatp |
Velazquez Application Transfer |
WELL KNOWN PORT |
Port 690 |
udp |
vatp |
Velazquez Application Transfer |
WELL KNOWN PORT |
UnOfficial
Unofficialy or sometimes with conflict, the same port may be used by different applications.
Port | Protocol (TCP/UDP) | Description |