Other configurations

…Let's take a look at a few other configurations in your php.ini file.…Many of these are optional configurations, and many…of them will depend on how you use PHP.…The first controls whether or not we expose the version of…PHP that we're using in our response headers back to the browser.…Remember, one of our principles was security through obscurity.…We don't want to give away more information than we have to.…By default, PHP will return the version information with every single request.…But we don't want to tell anyone which version of PHP we're running.…

If we happen to not be running the latest version.…Which of course we should be always running the latest version.…But if we're not, this will broadcast that fact, and it…might let a hacker know that we're vulnerable to certain security issues.…Let me demonstrate so you'll see what I mean.…From my command line, I can use the curl command with the…--head option to return the head of a request to a webpage.…Not the webpage itself, just the header information that comes back.…