Firefox - How to block a specific site?

[arshad]

On Sat, 2010-01-23 at 09:37 +0000, Graham Todd wrote:
> On Fri, 22 Jan 2010 22:03:06 -0700
> ANDY <sirald66 at gmail.com> uttered these words:
> 
> > UBUNTU 9.10
> > FIREFOX 3.5.7
> > 
> > Using Firefox or /etc/hosts, I want to block/redirect www.FoxNews.com.
> > 
> > How should I do that?
> > 
> > 
> > ANDY - Salt Lake, UT
> 
> Short answer:
> 
> make sure you fire up your text editor in root mode, then
> open /etc/hosts in the text editor.  Place an extra line *at the bottom*
> of all your text as follows:
> 
> 127.0.0.1		www.FoxNews.com
> 
> 
> LONG ANSWER:
> 
> When you call a URL such as www.Flickr.com, your computer checks
> your /etc/hosts file to find the IP it should look up for that URL;
> if there's no Ip listed, your computer gets the IP no from your internet
> service providers DNS servers, then connects you to the IP address, not
> the URL.
> 
> By convention, the IP address of your computer is 127.0.0.1, so if you
> list the relevant URL against the IP address of your computer, it will
> try to find that URL on your computer, find its directed towards
> 127.0.0.1 with which it can't connect as that's your computer, and the
> website is not on your computer.
> 
> Now this is a handy way of blocking sites with which there may be
> problems or content you do not want, and there is a text file regularly
> updated which you can get from:
> 
> http://www.mvps.org/winhelp2002/
> 
> You have to remember to copy and paste the list *UNDERNEATH* the text
> already in /etc/hosts (don't delete existing text).  There is one line
> duplicated which is:
> 
> 127.0.0.1		localhost
> 
> so delete that in the pasted section or comment it out (place hash
> symbols ## in front), which will negate it, but since you already have
> it listed, that's OK.
> 
> The upshot of this is that if you include in your /etc/hosts list:
> 
> 127.0.0.1		www.FoxNews.com
> 
> the computer will try to find that webpage on your computer, be
> unsuccessful, and not connect.
> 
> HTH
> -- 
> Graham Todd
> 
> 
> 
> 
thanks a lot for this.