The open source group issued an open letter to the Attorney General Philip Ruddock attacking anti-circumvention laws.

But when contacted by Computerworld the Attorney General's office was yet to receive the letter.

Linux Australia had sent the letter by post on Monday and it hadn't arrived late yesterday.

However, the Attorney General's media spokesperson said the department was certainly aware of the open source industry's views.

"Linux has met with the Department and is aware of its views," the spokesperson said.