Tobias Scherbaum already blogged this, but only in german, so I'm writing this again for the Planet Gentoo readers.
A german webpage called jugendschutzprogramm.de provides filters for webpages potentially dangerous for children. Now some people noticed that this page considers quite a lot dangerous.
Both gentoo.de and gentoo.org are considered only suitable for people over 14. So if you ever thought about installing Gentoo on the PC of a kid, think again what you might do to that kid.
Beside, my blog is even more dangerous: It's blocked by default.
The page is supported by a couple of companies providing pornographic content. Interesting enough, it's also supported by a big german Newspaper (BILD) that regularly has pornographic images on their frontpage. However, their page is considered harmless.
But what's really frightening is that jugendschutzprogramm.de is part of
ICRA, an international system by big content and internet providers. It's even supported by the european union.
Update: Page has XSS, maybe someone wants to play with it?
<form action="http://jugendschutzprogramm.de/webmaster/label-generator.php" method="post">
<input name="URL" value='"><script>alert(1)</script>' type="text">
<input name="submit" type="submit">
</form>