Full details are here: http://www.news.com.au/travel/story/0,23483,21267630-27977,00.html
I don't know about you, but in my mind the terrorists have already won in a lot of respects, considering how much they have forced us to change as a result.
What's worse is that according to the news article, "Federal authorities are also investigating whether the restrictions should be applied to domestic flights."
Oh dear.