Complex sentence: The use of filtering software in Australia is not mandatory, and ISPs are not required to make server-based filtering available, however there is a strong understanding of duty of care with regards to responsibilities of a school and web filtering.
Split into simpler sentences: The use of filtering software in Australia is not mandatory, and ISPs are not required to make server-based filtering available. However there is a strong understanding of duty of care with regards to responsibilities of a school with regards to web filtering.