ufw-formula/ufw/files/applications.d/ufw-databaseserver

[MariaDB]
title=MariaDB database server
description=MariaDB is a MySQL-compatible database server.
ports=3306/tcp

[MySQL]
title=MySQL database server
description=MySQL database server.
ports=3306/tcp

[Postgresql]
title=Postgresql database server
description=Postgresql database server.
ports=5432/tcp