| Port No | 1433 |
| Service Name | mssql ms-sql |
| RFC Doc | 0 |
| Protocol | TCP |
| Description | Server port for Microsoft SQL Server, used by clients to connect to and access database. |
| Reference Link | Port No:1433 Service Name:mssql ms-sql Protocol:TCP |
| Attack | Almost any external incoming connection to port 1433 can be considered hostile. Action: Block port 1433. If you must allow external users access to SQL servers usage of VPN technology to control access is recommended, use of replication servers to protect internal servers is also recommended. |
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