Disabling HTTP Communication

HTTP is used for communications over the network, such as when you access the machine via the Remote UI. If you are using a USB connection or are otherwise not using HTTP, you can disable HTTP to block malicious third-party intrusions via the unused HTTP port.
Disabling HTTP disables some of the network capabilities, such as the Remote UI, WSD printing, and printing with Google Cloud Print.
<Menu>  <Preferences>  <Network>  <TCP/IP Settings>  <Use HTTP>  <Off>  <Yes>