Port 1433 is used for Microsoft SQL Server. It is the default port for SQL Server and is used for communication between client applications and SQL Server instances.
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 1433 |
tcp |
ms-sql-s |
Microsoft-SQL-Server |
REGISTERED PORT |
Port 1433 |
udp |
ms-sql-s |
Microsoft-SQL-Server |
REGISTERED PORT |
UnOfficial
Unofficialy or sometimes with conflict, the same port may be used by different applications.
Port | Protocol (TCP/UDP) | Description |