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Enterprise IT administrators have their hands full maintaining control of corporate wireless gear, which may go roaming where it shouldn't, exposing sensitive corporate data to prying WiFi sniffers. Even if you employ the gold standard of WiFi security -- a VPN connection back to the ranch -- it's difficult to prevent users from connecting a corporate laptop at the neighborhood Starbucks, resulting in a potentially disasterous security compromise. Another bane of WiFi administrators is the complexity of making roaming users' online experience equal to their wired one. A big difference for VPN client connections is the difficulty of accessing such network services as printers and file shares, which often expect to attach at login, but which can't because the user isn't on the WiFi network at login. Fortunately, there is a fix, called Layer Two (2) Tunneling Protocol (L2TP). Also, there is a fly, named password encryption.