Selective data compression by a distributed traffic management system to reduce mobile andor signaling traffic are disclosed. The protector 9 has curved walls 28, 29, guide rail 30, slider 31 and first and second harness outlets 32, 33. The web applications, andor the web modules of the web applications, may include a designation file that identifies the shared web modules that are to be incorporated into the web modules for the web application. The remote programming unit includes a switch array for setting up a security function code pattern representing the selected security functions.