Updating Microsoft Windows Group Policy settings on the local machine is not so hard with a tool such as Gpupdate, but updating these policies on remote domain computers is not possible from within a

Although group policies are an extremely powerful security mechanism, it can be a bit tricky to deploy them in an effective manner. That’s because the effective group policy is made up of multiple an

This document gives you basic information needed to configure your router for routing IP, such as how addresses are broken down and how subnetting works. You learn how to assign each interface on the

Conventions

Important terms and concepts, when they are introduced, may be displayed in bold. Commands included in the body of the text will be displayed in this font. All names and addresses used i

As Linux users we have some inherent advantages over our fellow Windows users when it comes to security (or lack there of). Hackers, rather like gamblers, use the laws of odds and averages in their e

A typical firewall can perform a number of tasks depending on the complexity of the firewall itself. The basic functions of a firewall are as follows:

Let’s assume you have a wireless base station, router or DSL/Cable modem that has a built in firewall. The management interface for these devices is typically accessed via your favorite web browser.

This information will make it easier to make an informed decision as to whether these are services you want to have running on your Linux system and, therefore, potentially accessible to the outside

In previous chapters we have covered the firewall located in the router or cable modem and viewed this as the first line of defense in protecting your Linux system from outside attack. In this chapte

The saying goes that a chain is only as strong as its weekest link and network security is no exception to this rule. In previous chapters we’ve looked a number of places where you can improve the l