Skip to content
IT Atlas

Port

Port 3306

Conventionally used by MySQL / MariaDB. Port assignments are conventions, so confirm the actual listener before you write a rule around this number.

TCPEncrypted: Optional

Protocols on this port

MySQL / MariaDB

Relational database access

Security: Require TLS; restrict host based access

TCP · Encrypted: Optional

Where this port appears in the documentation

Databases

Systems that store, protect and serve structured data with transactional guarantees, indexing and controlled concurrent access.

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

Port 3269Port 3389

In the knowledge graph

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

Explore port 3306 in the knowledge graph