The first is the installation of a software filter on the computers of people surfing the Internet. This kind of software functions like a search engine, scanning the entire text of a webpage to prevent the user from accessing pages which contain certain user-defined keywords in their text.
第一，在上網者的電腦上加裝「過濾軟體」，這種軟體類似搜尋引擎功能，可以對網頁內容作全文檢索，以阻擋含有「關鍵字」的文章，關鍵字的設定可以由上網者自行決定。