Firefox Add-Ons Series: Privacy & Security

Privacy & Security


Web of Trust is one of Mozilla’s most popular add-ons. Our safe surfing tool uses a traffic-light style rating system to help you stay safe when you search, surf and shop online.

WOT ratings are powered by a global community of millions of trustworthy users who have rated millions of websites based on their experiences. The WOT add-on provides reputation ratings to search results when you use Google, Yahoo!, Bing, Wikipedia and other popular sites, helping you protect your computer and personal information. Your online email account – Google Mail, Yahoo! Mail and Hotmail is also protected.

More information at

No Script

Winner of the “2006 PC World World Class Award”, this tool provides extra protection to your Firefox.
It allows JavaScript, Java and other executable content to run only from trusted domains of your choice, e.g. your home-banking web site, guarding your “trust boundaries” against cross-site scripting attacks (XSS), cross-zone DNS rebinding / CSRF attacks (router hacking), and Clickjacking attempts, thanks to its unique ClearClick technology.
Such a preemptive approach prevents exploitation of security vulnerabilities (known and even unknown!) with no loss of functionality…
Experts do agree: Firefox is really safer with NoScript

More information at

Block Site

You can add and/or remove websites, you don’t want to visit ever again, via the BlockSite Preferences. You can open this window by clicking on the options button of BlockSite in Tools > Add-ons menu, or by clicking on the Preferences item in the context menu of the extension in the Extension Manager.

You can block whole ranges of websites by using the wildcard symbol (*):
If you want to block, for example, a lot of Microsoft websites, you can use the following line: “http://*.microsoft.*” and “http://microsoft.*” The * symbol indicates that there may be zero or more random characters at that place.

You can import and export lists of locations via the ‘Import’ and ‘Export’ buttons in the ‘BlockSite Preferences’ window. The first line in the file you want to import has to be the ‘[BlockSite]’ in order to be read succesfully.

More information at

Panic Button

Don’t want the boss to catch you surfing the Web on company time? Don’t want your teacher, classmates, roommate or significant other to see the Web sites you’re viewing? With Panic Button, a single click of a toolbar button will quickly hide all Firefox windows — bring them back by clicking a button on the Restore Session toolbar. The Panic Button action can also be invoked by pressing F9 (Command+F9 on the Macintosh).

After installing Panic Button, add the Panic Button button to the browser toolbar by choosing View -> Toolbars -> Customize on the Firefox menu bar, then dragging the Panic Button to the desired location.

More information at


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  1. #1 by Scent of my heart on December 8, 2010 - 1:59 PM

    I so far have managed to stay without getting any viruses, though I’m sure if my laptop was a person out of flesh and blood would’ve filed papers for divorce long time ago :). Thanks for the information Tom!

    • #2 by Tom Baker on December 8, 2010 - 7:09 PM

      Viruses suck and so do the people that make them!

  2. #3 by Cherlyn on December 8, 2010 - 8:01 AM

    I had actually used a few of these add-ons, and I still managed to get a virus that began destroying my computer. I guess no web browser is really safe from the really bad viruses though. To be honest the only thing I miss about Firefox was the option to change how the browser looked :P My laptop used to have a super mario theme to it, the background was awesome, and my browser had a cool background to it too :)

    Even though I dont like Firefox at all, I still like it better than Chrome (which I had also gotten a really bad virus with lol) – and even though I don’t like it, I can see why it has such an appeal – people like being able to customize their web browser and it definitely gives people a lot of options :)

    • #4 by Tom Baker on December 8, 2010 - 8:24 AM

      Good Morning Cherlyn. I hope all is well with you and I look forward to Poetry Thursday tomorrow! In addition to Firefox I use McAfee site advisor. It blocks me from going to sites that are dangerous and it gives a green check mark on search engine results so I know what is a good site. It gives gray if they have never looked at the site before (usually blogs), yellow when it spams a lot and red if it is known to have malware, trojans or viruses. When searching for photos for posts, it is a big help and keeps me from downloading bad content. You should at least check it out and I’m surprised I forgot to add it to this list. It’s staring me in the face right now!

      • #5 by Cherlyn on December 8, 2010 - 5:24 PM

        Haha you use McAfee? Thats what i used to use when my computer got that virus!! lol too funny

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