As such, it keeps you constantly up to date and requires no intervention from your network administrator. If the word patterns fit the filter's parameters, the Dynamic Filter will block the request even though it's not in the main database. Whether the request is direct or part of a Search Engine Result List, the Dynamic Filter will still function. When an employee requests a site that is restricted, the netFilter Blocking Page is generated. Blocking Pages can also be configured to show only your logo and a message from you, making the netFilter v4.1 presence transparent to your employees.
Efficient cache reduces congestion on network and speeds up Internet access.
In other words, netFilter v4.1 is designed to be effective on powerful systems while easily managed on an inexpensive, simple Pentium machine. The Basic Version supports between 200 and 600 active web users, the Large Systems Version includes tools and kernel patches to support 10,000 active users or more. Due to workload pressures on a limited staff, many network managers prefer to purchase a workstation that contains the filtering software and its operating system already preconfigured. And because netFilter v4.1 offers Transparent Filtering , you don't have to preconfigure each workstation's Internet browser proxy preferences. When netFilter v4.1 is configured at the network level, it will accept Internet inquires from all the connected workstations, independent of whether the browsers are set correctly or not.