What application uses port 1433?

Question

Port 1433 for TCP is needed to connect to the SQL database instance. By default, SQL will attempt to use 1433.

What is 1433 port used for?

TCP 1433. TCP port 1433 is the default port for SQL Server. This SQL port is also the official Internet Assigned Number Authority (IANA) socket number for SQL Server.

Should I open port 1433?

By Default SQL Server uses TCP Port 1433 for communication with applications. If you are running an application that requires connectivity with the SQL Server, you must enable port 1433 for SQL Server to listen on.

What port does MS SQL use?

Ports Used By the Database Engine. By default, the typical ports used by SQL Server and associated database engine services are: TCP 1433, 4022, 135, 1434, UDP 1434.

Is SQL 1433 TCP or UDP?

Port numberTypeUse500UDPIPSec to encrypt connections1024 to 5000TCPDynamic ports for named instances1433TCPDatabase engine default instance1434TCP and UDPDAC and the SQL Browse

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