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                    You may be thinking that your computer is safe when it connected to internet because you are using firewall ( third party like mcafee etc.. or like default windows firewall). But may be without your knowledge some of your computer ports might have been opened, so your data can be accessed by hackers out there.  To confrim your computer is real protected by firewall, take the following test and this test is called ‘Trustealth’.  The big advantage of this test is you can test all your service ports (unlike some free tests where they test only commonly used ports).  Follow the procedure below on how to test all your service ports.

 1. Click here to go to free firewall test.

2. Go to the End of the page and click ‘proceed’ button ( on this page it displays your ip address info)

3. Now select ‘All Service ports’ ( and also you can test for ‘File sharing’ , ‘common ports’, ‘messenger spam’ etc…)

4. Now it takes some time to test all your service ports and displays your 1024 ports in a grid.

5. if your firewall is working perfectly, it displays the following message -

‘Your system has achieved a perfect "TruStealth" rating. Not a single packet — solicited or otherwise — was received from your system as a result of our security probing tests. Your system ignored and refused to reply to repeated Pings (ICMP Echo Requests). From the standpoint of the passing probes of any hacker, this machine does not exist on the Internet. Some questionable personal security systems expose their users by attempting to "counter-probe the prober", thus revealing themselves. But your system wisely remained silent in every way. Very nice’

                                or

if there some loop holes in your firewall settings, it displays all that information.

                      Speed Test is the most popular, reliable and effective bandwidth test on the web.

      Features:
                    

Many of us frequently use Ctrl+c (I.e., clipboard) to copy passwords and other important information, so it will save us from retyping it again and again. ( Mostly computer professionals use this Cut  ( or Copy ) and paste method to reduce retyping the code again and again). But Don’t do this while browsing internet. Are you willing to see how easy to steal infomation from you clip board? Then follow these steps.

1. Hightlight any text (for example text in your web browser, notepad or Word etc.) and press Ctrl+c.

2. Now click on the following link to see he copied text.

    http://www.friendlycanadian.com/applications/clipboard.htm

                  Hope you understand now how much easy it is to steal data from your clipboard. This is all possible with one line of code that can be written using Java script and ASP ( or PHP and CGI). The code is

var content = clipboardData.getData("Text");

    Now you understand the problem, but you will be thinking how to prevent this,,. am I right?   See the procedure how to solve this problem. ( courtsey above website)

  1. go to Tools -> internet option -> security in intenet explorer

  2. Click on the custom level security setting and uncheck the option " Allow Paste Operations via Script.”

Note :  This has been tested on windows XP using Internet explorer.  This will not work if I use Firefox browser & and also in Linux. So please spread Firefox and browse internet safely.