An effective way to run a World Wide Web (WWW) service is not by: Disabling automatic directory listings Placing the standalone WWW computer outside the firewall in the DMZ Implementing encryption Relying on third-party providers Solution Relying on third-party providers Important security features of WWW include (i) disabling automatic directory listings for names and addresses, (ii) placing the standalone, stripped-down WWW computer outside the firewall in the demilitarized zone (DMZ), and (iii) providing encryption when sensitive or personal information is transmitted or stored. There is a potential risk posed by dependence on a limited number of third-party providers in terms of performance and availability of service..