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How to block the websites

I want to distribute the internet to 150 PCs. Which software or hardware should I use as a best practice, which can give me the best output. I want to block some websites, whether I should use a hardware firewall, or I should opt for any proxy software.

tankergoblin

if you have router, some router has built-in firewall you can filter DNS or IP from there

tankergoblin

you can block a website as follow
1. Load your Internet explorer
2. Click Tools
3. Click Internet Options
4. Click the Privacy tab
5. Under the Privacy window, Click Sites
6. Type in the site address that you want to Block and Click OK. Remember this technique only blocks on one site at a time. Parental control software will allow you to block multiple sites and categories.

tankergoblin

or you can visit this site using this software

http://www.eurodownlohttp://www.eurodownload.com/download-software/2038/Block-Web-Site-Buddy.htm

http://www.netdogsoft.com/

http://www.freedownloadscenter.com/keys/block-network.html
http://www.softplatz.com/Soft/Network-Internet/Browsers-Tools/Block-Web-Site-Buddy.html

Abhishek-Srivastava

ASKER

I would prefer to have a hardware based solution, and that too not much costly. I have heard a lot about Watchguard and some other firewalls with UTM facility. Please suggest

ASKER CERTIFIED SOLUTION

phlll

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Monis Monther

I doubt any of those solutions can avoid proxy sites.

One good strategy is to open only sites you need and block everything else.

phlll

You can never block all proxy sites, but most hardware web filters update frequently enough to get most of them. There are a couple ways around that, but even whitelisting can be defeated pretty easily.

Abhishek-Srivastava

ASKER

I have seen the details on net, and asked a quote from them. I think this will solve my problem.
Thanks