Event ID - 1433

Port No1433
Service Namemssql ms-sql
RFC Doc0
ProtocolUDP
DescriptionServer port for Microsoft SQL Server, used by clients to connect to and access database.
Reference LinkPort No:1433 Service Name:mssql ms-sql Protocol:UDP
AttackAlmost 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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