Spyware Block Lists

For years now I have used both SpywareBlaster and SpyBot to immunise my web browsers against malware. They both do this by adding a list of known malware sites to the blocked list of your web browser and, in the case of Spybot, also adding them to the hosts file. They also help to stop tracking cookies which are used to log what type of websites you visited.

Anyway I was updating them both today and I got to thinking, "How often do they check that the sites in their block lists are still active?" At present SpyBot is saying it has immunised me against 130712 sites and SpywareBlaster says 13138 sites. So I decided to test a random selection of 20 sites they have blocked. Out of the 20 all the domains had now expired and pointed to nothing (resulting in a oops message in the browser) or they were now a domain landing page. That’s one of these stupid pages you sometimes end up on when you mistype a web address which has a list of links loosely based upon the domain name.

I know both of these programs are free but would it be to hard for them to write a program that checks their list every so often to remove dead domains? The reason I say this is because Internet Explorers block list is stored in the registry and this can slow down your computers boot up time. Also the more sites are blocked the slower your web browser may become. SO come on programmers. Just write a program that runs through your list once a month and see if they are still active or not.

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