The little blue arrow will take users to the last post if there is only one page, if there is more than one page it will only go to the starting post of the topic on my forum.
lol. The connection string is what is used to tell your forum how to connect to your database. You can find it in config.asp. Look for the strConnString variable. The one you are using would be the line of code that doesn't start with a single quote '.