By: Paul Hill Technology Coordinator Gwinn Area Community Schools

What We Will Cover: Why use Squid and Dansguardian How it works Selecting a version of Linux Hardware requirements Installing Linux Configuring your system 1) Install Webmin 2) Configure services 3) Configure and start Squid 4) Configure firewall for Squid, Dansguardian and Webmin 5) Download, install and configure Dansguardian and Blacklists 6) Install SARG Client setup Searching log files Questions

Why Use Squid and Dansguardian: Reduces Internet Traffic Customizable Filtering Logging Capabilities CIPA compliant FREE!

How it works: Dansguardian running on port 8080 Squid running on port 3128 Internet

Selecting a Version of Linux:  Use a distribution of Linux that is popular.  Select a distribution that is supported by your hardware Hardware Requirements: Depends on the Linux version you choose. Most smaller applications require only a desktop computer with some additional memory. Faster hard drives will improve performance. Hardware requirements are usually less than other operating systems. Check HCL for the version of Linux you decide to use. Many versions of Linux will also run on a virtual machine.

Installing Linux: ALWAYS DO A CUSTOM INSTALL. This will allow you to select which components to install. Linux Components that you will need to install: ApplicationsDevelopment Editors Development Tools Internet Development Libraries ServerBase System Server Configuration Tools Administration Tools Web Server Java System Tools X Windows System Once your install is complete make sure to update your system!

Configuring your system: 1) Installing Webmin Download the Webmin application from Install Webmin package Open browser and go to :10000 Configure Webmin for SSL For SSL to work you will need to install NET::Ssleay Configure Webmin to use SSL

2) Configure services

3) Configure and start Squid Edit Squid configuration using text editor (\etc\squid\squid.conf) or use Webmin.

a) Configure Squid Access Control

b) Configuring Proxy restrictions At this point you are ready to start Squid!

4) Setup firewall

5) Download, Install and Configure Dansguardian Download Dansguardian RPM (if available) Dansguardian website is dansguardian.org Run Package Download Webmin module for Dansguardian Note: Make sure the version works! Install/Configure Webmin module Download and expand blacklists Configure Dansguardian

a) Configure Webmin Module

b) Install Dansguardian Webmin Module

c) Dansguardian Webmin Module

d) Install Blacklists Download blacklists from urlblacklist.com Move file to /etc/dansguardian folder. Expand files tar –xzvf /etc/dansguardian /bigblacklist.tar.gz

e) Blacklist Categories

f) Configure Dansguardian Module It is a good idea to start Dansguardian at this point.

g) Configure Dansguardian Filter Groups In Dansguardian you control access by editing groups.

h) Configure Filtering Lists This is where you control what is filtered by blacklist categories or manually. Note that some categories listed here do not have corresponding blacklists and this will cause problems. Make sure to restart Dansguardian to apply any changes you make.

6) SARG Setup Download/Install SARG Configure SARG

SARG Reports Before you can view a report in SARG there must be a report that is generated. Normally this is done automatically according to the schedule you setup.

Client Setup:

Searching Log Files:

Searching Log Files: User Access

Searching Log Files: Topsites