F-Secure Internet Security has a feature to sense type of content of a website and block it according to the preferences set by a user.
Now there is an option in the blocked webpage to allow the blocked website. If a user clicks on it, the website can be accessed and is added as an exception. So next time a user visits the same website it will not be blocked.
The problem is if I have blocked a certain category of websites and if I am trying to allow it, the antivirus should ask for a password because presently it is easily allowing the blocked websites.