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Nikkei Network

November 2006 Issue

FEATURE 1 Handy free services that network engineers need to know about There are all kinds of free services on the Internet and all kinds of information that could be useful on the Web. We compiled these into seven typical needs categories after a very thorough selection. Give them a try! * I want to improve my PC's security * I want to find out who is attacking my PC * I want to use IP telephony and IM easily * I want to exchange data securely * I want to have a go at interesting-looking services * I want to have my own domain name for emailing * I want to experience what it's like to be a routing administrator

BEGINNERS’ QUESTION

Why do the antennas displayed on my mobile phone change so frequently?

FEATURE 2

Product Study: The Evolution of Firewalls
UTM (Unified Threat Management)

A great deal of attention has been paid lately to a product called UTM (Unified Threat Management) as a security measure to protect network boundaries. UTM is an integrated security measure that, in addition to firewalls and VPN, also includes security check functions for email and web contents. Here, we give you a thorough introduction to basic information such as UTM's functions and how to use it, as well as the technical specifications of each product and the all-important pricing mechanism for installation.


Prologue: Increasing the power of firewalls in the face of more complicated attacks

Part 1: Integrating the functions that consolidate gateway walls and unifying administration

Part 2: Clarifying seven issues for a deeper understanding of UTM