Specifying TCP/IP port number (.gdb) using IBPhoenix ODBC
Connection string
This IBPhoenix Open Source ODBC Driver (aka Firebird ODBC driver) connection string can be used for connections to Interbase.
DRIVER=Firebird/InterBase(r) driver;UID=SYSDBA;PWD=masterkey;
DBNAME=MyServer/3051:C:\database\myData.gdb;