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IT Atlas

Port

Port 1433

Conventionally used by Microsoft SQL Server. Port assignments are conventions, so confirm the actual listener before you write a rule around this number.

TCPEncrypted: Optional

Protocols on this port

Microsoft SQL Server

Relational database access

Security: Never expose to the internet; force encryption and disable sa

TCP · Encrypted: Optional

Where this port appears in the documentation

Exposure guidance

Decide reachability from the identity of the caller, not from the port number. If the service on this port carries credentials or administrative control, restrict it to an administrative network, require strong authentication, and log every session that reaches it.

Nearby ports

In the knowledge graph

Open the interactive map centred on this entity to see everything it connects to and travel outwards from there.