Lockheed Martin、Time Warner Cable和Bell Mobility这样的公司无一例外地发现。采用Internet过滤管理软件能够有效地防止员工把过多的时间浪费在WWW上。探测软件可以阻止访问Netscape等浏览器软件,而Internet管理过滤软件则不同,经过过滤,用户只能访问指定的URL。例如Net Partners Interact Solutions公司所推出的WebSense就阻止了对28大类45000个URL的访问。其他如Spyglass公司所推出的SurfWatch则可以建立可访问 Companies such as Lockheed Martin, Time Warner Cable and Bell Mobility were found without exception. Using Internet filtering management software can effectively prevent employees from wasting too much time on the WWW. Detection software can block access to browser software such as Netscape, while Internet management filtering software is different. After filtering, users can only access the specified URL. For example, WebSense launched by Net Partners Interact Solutions prevented access to 28 categories and 45,000 URLs. Others such as SurfWatch launched by Spyglass can create accessible