Many small utilities that will help make a parental filtering in windows along with more tools from selfcac repos. Architecture:

[C#] Run this tool to start\stop services based on wifi zones. In short, we check available wifi IDs and with some logic we decide to start or stop a given service. So we can start filtering when the PC is inside a blacklisted zone defined by wifi IDs.

[C#] Common module between other components. For example, It contains the JSON Serialize\Deserialize utilities.

[C#] The client to the ControlPanelForSafeControl component. It communicates with TCP socket by passing predefined commands and echoing the results. This is a GUI written in Winform.

[C#] The server side service to control and act as an admin when needed. Some of the features:

• Lock access to admin features until given date
• Change password of admin user (to random)
• Start\Stop Firewall

[C#] This component let us save and load a filtering policy customized to the Internet browsing experience. Some of the capabilities:

• Allow only domain, domain + sub-domains, mixed
• Check urls for bad words
• Check content of html for bad words
• Support from contain check to Regex
• Quick actions on logs with a GUI Editor.
• Rich output outlining exactly what made each block.

[Python] The filtering plugin we use with the mitmproxy to apply the policy we got from HTTPProtocolFilter

[C#] This library lets you remove the kill permission from any process. We use it to prevent non admin users from stopping our processes with Task Manager (Windows based)

[Python] This script uses the pydivert library to block all external proxy connections to avoid ignoring our filter. It uses PortsOwner to only affect non admin softwares.

[C#] Tell the MitmprxyPlugin when to block the internet.