SLIDE 1
FILTERING SYSTEMS AT FILTERING SYSTEMS AT SCHOOL SCHOOL
SLIDE 2 NEW TECHNOLOGIES NEW TECHNOLOGIES REACH SCHOOLS REACH SCHOOLS
In the last few years computers are becoming more
powerful and much cheaper.
We have got Internet connection of good quality. Windows helps the user. Computing is reaching more and more people. Using new technologies has to become a basic tool in the
learning proces of children.
THE INFORMATION AND COMMUNICATION
SOCIETY IS HERE.
SLIDE 3
THE NORMAL SITUATION THE NORMAL SITUATION
SLIDE 4
FIRST GOAL: CONNECTING FIRST GOAL: CONNECTING
Proxy: can store the resources used in the centre: web sites, video files, images, sound.....
SLIDE 5 PROXY (STORE) PROXY (STORE) SQUID SQUID
Squid is a high-performance proxy caching server for web clients, supporting FTP, gopher, and HTTP data
SLIDE 6
Summary Summary Classroom Models Classroom Models
Classroom Classroom with a with a Proxy Proxy
We can find out the “history”
Squid (Free) Proxy Server (Comercial)
Classrooms Classrooms without without Poxy Poxy
SLIDE 7
SECOND GOAL: MONITORING SECOND GOAL: MONITORING
We can find out the “history” in the use of Internet by every computer
SLIDE 8
REPORT REPORT CALAMARIS CALAMARIS
Calamaris generate reports in html……
SLIDE 9 S Squid quid A Analysis nalysis R Report eport G Generator enerator SARG SARG
It’s a tool that allows you to view "where" your users are going to on the Internet. Sarg generates reports in html SHOWING USERS, IP ADDRESSES, BYTES, SITES AND TIMES.
SLIDE 10
THIRD GOAL: FILTERING THIRD GOAL: FILTERING
Now we want to create lists with forbidden Web sites, the black lists.
SLIDE 11 BLOCK ACCESS BLOCK ACCESS SquidGuard SquidGuard
SQUIDGUARD works with SQUID to block access to sites by
DOMAIN, IP ADDRESS OR EVEN
flexible, even allowing you to block access at certain times of day and allow it at
- thers, and even to define
groups within your
different access privileges.
SquidGuard
SLIDE 12
SUMMARY SUMMARY TOOLS TOOLS
Operative Operative System System Linux or Linux or Unix Unix Caching Caching proxy proxy server server Squid Squid
Analysis Report Generator Analysis Report Generator
Calamaris, Calamaris, Sarg Sarg
Block Block access access to to sites sites
SquidGuard SquidGuard Blacklist Blacklist
SLIDE 13 ADVANTAGES ADVANTAGES
School personalized personalized filter filter
Zero cost cost for software licences for software licences
Control ntrol of
the visited visited using using the the “web” “web” Indiscriminate Indiscriminate downloads downloads (programmes, (programmes, music, videos) music, videos) Non adequate Non adequate contents contents (pornography, (pornography, violence, drugs) violence, drugs) Activities Activities ( ( icq,msn..) icq,msn..) We can filter: We can filter:
SLIDE 14
INCONVINIENTS INCONVINIENTS
Linux is a “young” operative Linux is a “young” operative system system You You need “ a little” knowledge about need “ a little” knowledge about computing computing
SLIDE 15
EXPECTATIVES EXPECTATIVES
Free software is becoming Free software is becoming more more common common Finding Finding servers servers at at school school Connecting Connecting Monitoring Monitoring Block Block Access Access
