1MIUR

Istituto Tecnico Industriale Ettore Majorana

Dario Zucchini enis@itismajo.itRocco De Carlo (Developer) rocco_decarlo@yahoo.it

………………………

Palmaria 10/04/23

Net-ControlA network modality and a network tools for improve

and manage internet access in school labs

2MIUR

Istituto Tecnico Industriale Ettore Majorana

• Grugliasco – Turin – Piedmont - Italy

• Computer Science

• Electronics & Telecommunications

• 1300 students

• 6000 students qualified since 1975

• 18 Laboratories fully wired

• 300 Computer on the network

• Wi-Fi Network

• Intranet with 10 servers

• Broad Band & Satellite Internet

• European Network of Innovative Schools

• Partnerships with companies, authorities, local schools

• D-Schola Service, Managing and Experimental Centre

3MIUR

Traditional LAN/School Networks

Internet

All network traffic is visible to all hostAll network traffic use the same bandwidth*Every PC have full time access to the Internet The office PCs are accessible by the labs PCThe one point hub/switch requires long wiring*Switch can improve network performance

4MIUR

Ehnanced Sub-Network School Network

Internet

Every labs have a wired local networkThe multi switch configuration requires short wiringEvery PC have full time access to the Internet The office PCs are accessible by the labs PCOptimal network performance using switch

5MIUR

“Net-Control” School Network

Internet

Every labs have true local networkEvery server labs with routing ability manage inter-network trafficOnly local network traffic is visible to labs pcThe internet access is managed by teacher with a GUI applicationThe multi LAN configuration requires short wiringThe office PCs are NOT accessible by the labs PC

6MIUR

ITI Majorana Intranet

Net-Control Winroute

ADSL

CDN

Router ADSL 1280/256KbFirewall

DVD/CD Server 80GB

Web Serverswww.itismajo.itCSCLCSCW

Office ServerSISSI in ReteFirewall

Office Network

Lab 01 Lab 02 Lab... Lab 18

Router CDN 2MbitFirewall

Internet

RUPARSmart Filter

Router Internet via satelliteSat@Once - ASTRA

7MIUR

Net Control Software

• Easy graphic interface to manage routing/firewall features integrated in all linux distribution (IPChains/IPTable)

• Interface and use are optimized for scholastic use• At the system start-up all pc are not connected to the internet• The teacher can activate/deactivate single workstation internet access • Only inter-network traffic are filtered (no LAN filter)• No proxy required (but supported)• No extra configuration required for the client• The Net control server must be a simple teacher PC or a labs server with

two networks card– One network card connected to a Local Area Network– Other network Card connected to a School Intranet Network

• System Requirements for server:– PC with Linux distribution– Two network Card

• No requirements for client! All PC, all browser and all OS are supported

8MIUR

Net Control ScreenShot

Green Enabled

Red Disabled

9MIUR

NET Control Project

• The Net Control are developed in collaboration to a DSchola Network• The Majorana School has been selected as one of the Service, Managing

and Experimental Centers• The project was initially promoted by the CRT foundation (Bank Cassa di

Risparmio di Torino) jointly with the regional school authority • Now the project is run under the Regional Government and is open to wider

cooperation• The main goal is to foster the adoption of ICT technologies in all the schools

within the Piemonte region taking advantage of the existing networks of excellence

• Net control are distributed under the GPL license• For download installation package an for more info go to:

– http://opensource.dschola.it – http://www.itismajo.it/csas – Http://www.dschola.it

10MIUR

Contacts

ITI Majorana – Grugliasco

Prof. Rocco De Carlo (Developer)rocco_decarlo@yahoo.it

Prof. Dario Zucchini (Ref. ICT/ENIS)enis@itismajo.it

www.itismajo.itopensource.dschola.it

www.dschola.it