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<a href="http://www.squid-cache.org/Download/" rel="ugc">SQUID</a>
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SQUID [http://www.squid-cache.org/Download/]

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I wanted to know is there any open source software available to monitor and control the internet traffic in the local network. I was looking for websence but it was too expensive and recurring cost also too much. <br />
<br />
I was used GFI Webmonitor in the ISA Proxy Server 2006 eval version. &nbsp;It was too good and this also pretty expensive. <br />
Can you suggest me a good software which can monitor the internet traffic of local network which includs downloads / browsing / IM / Antivirus / SPAM etc.etc<br />
<br />
Regards/Sri &nbsp;
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I wanted to know is there any open source software available to monitor and control the internet traffic in the local network. I was looking for websence but it was too expensive and recurring cost also too much. 

I was used GFI Webmonitor in the ISA Proxy Server 2006 eval version.  It was too good and this also pretty expensive. 
Can you suggest me a good software which can monitor the internet traffic of local network which includs downloads / browsing / IM / Antivirus / SPAM etc.etc

Regards/Sri  

Websense / GFI Webmonitor Alternative product

Web development includes all aspects of presenting content on intranets and the Internet, including delivery development, protocols, languages and standards, server software, browser clients, databases and multimedia generation.

Web Development

Microsoft Forefront, formerly known as Internet Security and Acceleration Server (ISA Server), is a network router, firewall, antivirus program, VPN server and web cache that runs on Windows servers. It includes identity management and protection systems, and discontinued systems for threat management and network protection, along with protection for Sharepoint and Exchange. The scope of discussions includes forward and reverse proxy, application and service publishing, virtual private networks (VPNs), outbound access rules, SSL certificates and network routing within either a single node or an highly-available array pairing.

Microsoft Forefront ISA Server

Spyware is software that aims to gather information about a person or organization without their knowledge and that may send such information to another entity without the consumer's consent, or that asserts control over a computer without the consumer's knowledge; it has also come to include programs that engage in various kinds of electronic fraud. Anti-spyware is software that removes or blocks that software; some common vendors include Malwarebytes, McAfee, Spybot-Search and Destroy, Ad-Aware and BitDefender.