The Stop Online Piracy Act (SOPA), would authorize the U.S. Department of Justice to seek court orders against websites outside U.S. jurisdiction accused of infringing on copyrights, or of enabling or facilitating copyright infringement. The pending Stop Online Piracy Act (SOPA) bill seeks to bring down many popular sites, one of them is The Pirate Bay. But companis like Facebook and Google is opposing this bill.

Installing this Mozilla Firefox browser add-on, users can access blocked website's content and access services even if the DNS servers of their local ISPs block them. Just turn DeSopa on and the browser will send the user request to DNS servers outside the US. DeSopa will cache the IP response of valid servers to resolve future DNS requests faster.


How to Activate DeSopa

  • Enable the Status/Add-on bar if it is not enabled (View->Toolbars->Add-on bar)

  • Click on the light blue DeSopa button in the Status/Add-on bar, at the bottom of the browser window, to access websites by IP.

  • Click the green DeSopa button to switch back to DNS resolution.


When turned on, DeSopa intercepts URLs, sends the base URL to three offshore DNS services via HTTP, makes a best effort to check that two of them are equivalent, caches the IP for the browser session, redirects to the equivalent URL using the IP, and substitutes out the domain name in the source code with the IP address for future requests. First time resolution will be is a bit slower.When DeSopa is turned on, the address bar of Mozilla Firefox will display only the IP address of the website.click here to download DeSopa
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  1. I was thinking an easy way to start blocked websites when I needed to open any blocked website and wanted to start without installation of any application on computer because some time its difficult to begin any application due to limitations. But, now I can start any blocked website on simply clicking at access any site at school

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