2.0.0.6 for Windows,Mac,Linux
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Firefox doesn't have an intrinsic 'blocking' of certain sites
However you can use certain extensions...according to me the 'blocksite' or 'procon' extension comes close to what you are asking about.Go for blocksite.
Click Tools-> Add ons -> make sure you're in the extension tab -> click get extensions at the bottom. In the page which opens up, type in blocksite in the search field.Click on its link when the page opens up.Finally click Install now to install that extension.
Alternatively, you can edit the hosts file. The hosts file will be located in C:\ windows\ system32\ drivers\ etc (provided your windows is installed in c:\windows)
Open the hosts file with notepad or any text editor of your choice.
At the bottom in a separate line in the file enter:
127.0.0.1 www.google.com
The example line above blocks access to google.com. If a particular site doesn't get blocked, then also enter the site without www and check.For example:
127.0.0.1 google.com
127.0.0.1 www.google.com
For each site which you want to block do this, that is place an entry on a separate line like i showed you.
However, this won't block access to all the URLs..some nasty ones will slip through...so you'll have to see which ones get blocked..
Anyway, once you alter the hosts file, save it, and restart firefox..and you'll see that the entries which you placed in the hosts file, those sites would not open ...but they would also not open in any other browser which you have, not only in firefox.
Yet another way is by using third party tools for 'parental control'
More info required? What is the problem you want to address?
For firefox you can use a plugin called blocksite
http://ffbrowser.blogspot.com/2007/01/bl...
After installation the plugin appears in the tool menu
Tools > Blocksite
If you click on Blocksite a window opens where you can click on add button, you can enter the url or the address of the site to block. You can blacklist and whitelist sites there.
My 2 second google reveals this Guild(with screenshots) http://www.wikihow.com/restrict-web-brow...
Does this help? Rate it
Open firefox up. Go to the menu buttons at the top. Find the one called extensions. When it opens click at bottom of menu to get more extensions.
When the page comes up look for adblock plus also install noscript.
It's that simple. Happy interneting
strongly recommend NetDog : http://www.netdogsoft.com
it's easy, just add the website to "Always blocked website list" in NetDogAdmin.exe, it will block website quitely. also you can set a password for it, none will be able to open it.
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