IP firewall, is a security application for the iPhone and iPod Touch, which notifies when an application requires our data in a hidden way.
The application uses Mobile Substrate and once installed and performed a Respring it is already active for both Cydia applications and native Apple applications (Safari, Mail, etc ...).

Every time we select an application with IP Firewall, an information menu will appear and we can then:
Allow connection once
Block connection once
Always allow connection
Always block connection
Also when installing the application we will install a button in the SBSettings to be able to activate or deactivate the application.

Firewall IP is an application of paid at a cost of $ 1,99 and can be downloaded from the section "Security" en Cydia e Icy through the repository of BigBoss.