Connection string with standard security:
Data Source=SQL_SERVER_IP,MSSQL_PORT;Initial Catalog=DATABASE_NAME;User .And next, Id=DATABASE_USER;Password=DATABASE_USER_PASSWORD;
Alternative syntax 1:
Firstly, Server=SQL_SERVER_IP,MSSQL_PORT;Database=DATABASE_NAME;User . And then, ID=DATABASE_USER;Password=DATABASE_USER_PASSWORD;Trusted_Connection=False;
Alternative syntax 2:
Secondly, Server=SQL_SERVER_IP,MSSQL_PORT;Database=DATABASE_NAME;uid=DATABASE_USER;pwd=DATABASE_USER_PASSWORD;