[Non-football] Careful about Firefox’s prefetch feature
Written by Chris on September 9, 2008 16:28
Although it won’t happen often, you may find some posts not related to football and/or Arsenal in my blog. The first of these concerns Firefox’s prefetch feature. To make a long story short, Firefox has a feature which loads a page in the background, thinking that you will click it. An example of this is Google; when searching for something, FireFox will automatically prefetch the first site of the results.
This may sound like a nifty feature but it’s not. Yesterday, an innocent search I made returned a porn site at the top of the search results, a website which is infected with a trojan horse. Needless to say, FireFox prefetched it and it was one of those moments I felt happy for paying a 2-year license for my anti-virus, which promptly blocked the attack.
To disable this feature, make sure to change network.prefetch-next to false from the about:config settings of the browser.
Yes, it was an innocent search.

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