Today we are going to discuss the details of .pcf files and the way to configure it in iPhone or Mac. Once the configuration part is complete I will talk a little bit about how to decipher the .pcf file. You might be aware of the new option added in System Preferences under Network which is CISCO VPN. Yes, it means you don’t have to install the application if you need to connect to VPN. Indeed, Mac OS X is the most advance OS in today’s world – Oh we would discuss its greatness later on, lets talk about making the VPN work for you: On Mac OS X: Launch System Preferences Go to Network Now click on the plus ‘+’ sign (which is meant to create a new service) On the iPhone: Go to Settings Now go to General Under Network, select VPN Now select Add VPN Configuration Enter the details in these fields from your .pcf file. To get the value that needs to be entered, you need to open your .pcf file which could be save on your machine. To know where the .pcf files