1.2.3.2 Describe the process of filtering to control access to controversial contents.

Internet filtering is a process that prevents or blocks access to certain materials on the Internet. It is a process of controlling the access by means of filtering software. It is used to prevent user from accessing inappropriate material and to keep employees productive.

The preferred method of choice to limit access is to filter content either by:

· keyword blocking

· site blocking

· web rating systems

These methods require software to be installed at a client of server level.