Yoctopuce Yocto-RangeFinder, User Manual, Page: 59 / 497

But requests from the outside are blocked.
Seeing Internet without being seen provides an enormous security advantage. However, this signifies
that you cannot, a priori, set up your own web server at home to control a home automation
installation from the outside. A solution to this problem, advised by numerous home automation
system dealers, consists in providing outside visibility to your home automation server itself, by
adding a routing rule in the NAT configuration of the DSL router. The issue of this solution is that it
exposes the home automation server to external attacks.
The HTTP callback API solves this issue without having to modify the DSL router configuration. The
module control script is located on an external site, and it is the
VirtualHub which is in charge of
calling it a regular intervals.
The HTTP callback API uses the VirtualHub which initiates the requests.
Configuration
The callback API thus uses the VirtualHub as a gateway. All the communications are initiated by the
VirtualHub . They are thus outgoing communications and therefore perfectly authorized by the DSL
router.
You must configure the VirtualHub so that it calls the PHP script on a regular basis. To do so:
1. Launch a VirtualHub
2. Access its interface, usually 127.0.0.1:4444
3. Click on the
configure button of the line corresponding to the VirtualHub itself
4. Click on the edit button of the Outgoing callbacks section
Click on the "configure" button on the first line
9. Using Yocto-RangeFinder with PHP
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