Block all websites except specified sites.

Hi Guys,

I have a client (mental health department) that has asked me to find out about website blocking.

They have 2 computers that their patients have access too.  basically I want to be able to block all internet traffic/websites, except for a few that they want to specify E>G Training websites etc.

Does anyone nkow of any good software I can put on these 2 computers to do that? I have already looked at Blue Coat K9 Web protection but it only offers category blocking and individual site blocking (I dont really want to manually block every website in the world!)

Any help would be greatly appreciated.

Cheers.

Nick
ITTRAsked:
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Sikhumbuzo NtsadaIT AdministrationCommented:
Are you familiar with linux?
This is a kob that would be taken care of easily by a linux proxy using iptables or squid, where all traffic will be dropped and then you have a file that contain the allowed urls only.

Link for squid: http://gofedora.com/how-to-configure-squid-proxy-server/comment-page-1/

Link for iptables: http://www.linuxhomenetworking.com/wiki/index.php/Quick_HOWTO_:_Ch14_:_Linux_Firewalls_Using_iptables
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Rikin ShahMicrosoft Dynamics CRM ConsultantCommented:
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madunix (Fadi SODAH)Chief Information Security Officer Commented:
I do Squid(Free)! I'd recommend running Squid with Dansguardian ....squid is the best but keep in mind it requires times and skills to install, manage and configure it with other components. I used it in many complex environments with success but again you need  the skill in Linux and squid (open source packages)...

check these documents too
http://www.linuxhelp.net/guides/squid/
http://wiki.squid-cache.org/
http://wiki.squid-cache.org/SquidFaq/SquidAcl#head-926288cb0cbbdea92bc4a807f06dd75ddbc446ff
http://www.linux-magazine.com/w3/issue/100/052-054_squid.pdf
http://www.linux-magazine.com/w3/issue/72/Squid_Bridge_HTTP_Proxy.pdf

Use comodo DNS,  norton DNS or openDNS services. Run or your clients PC http://www.prevx.com/


also you can check

K9
http://www1.k9webprotection.com/
Block web sites in more than 70 categories, including pornography, gambling, drugs, violence/hate/racism, malware/spyware, phishing
Force SafeSearch on all major search engines
Set time restrictions to block web access during designated times
Configure custom lists for "always allow" and "always block"
Override a web page block with password
Trust the enhanced anti-tampering, even children can't break
View easy reports to monitor and control web activity
Real-time categorization of new adult and malicious sites
Best free parental controls software/internet filter available


http://www.untangle.com/
Untangle provides a powerful suite of Internet management applications for small-to-medium businesses and education institutions.


http://www.iambigbrother.com/
IamBigBrother is the leading internet monitoring software available for both homes and business. And when using IamBigBrother, you'll know exactly who your kids chatted with last night and be able to read the full conversation!

http://www.refog.com/download.html
REFOG Employee Monitor is the ultimate surveillance suite offered by our company. Having all features of our less advanced products, REFOG Employee Monitor is designed to boost productivity of your employees. The product can watch multiple PCs and workstations at once without leaving your chair. Instant alerts are handy to prevent information leaks the moment they are about to happen

http://www.eblaster.com/
eBlaster spy software is the ONLY software in the world that will capture their incoming and outgoing email, chats and instant messages - then IMMEDIATELY forward you an EXACT COPY.

http://www.websense.com/   WebSense Web Filter
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ITTRAuthor Commented:
Excellent. Thanks for the info guys. I did also find Cyber Patrol Online protection. It blocks ALL sites except those specified.

Thanks again.

Cheers
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