How ColdFusion recognizes users

Browsers have unique IDs that mark the session being used. Browsers can also have cookies. If the browser is allowing cookies, then things will be easier. Without cookies, we will have to pass the user identification in every communication that comes back to the server from the browser.

The following table shows the key permission functions that we will be using in this chapter. These are the most commonly used functions; but if needed, you can look at some more functions, or consider rolling your own solution. Now, we will look at some common built-in solutions that prove beneficial:

Key permissions functions	Description
cfLogin	This is a wrapper tag used in login code. The inner contents of the tag run only if the session does not show that someone is logged in.
cfLoginUser	This tag is run inside the body of <cfLogin> tag. This tag declares the user's unique ID, password, and permission roles.
cfLogout	This tag simply logs the current...