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Cornerstone Issue 48: February 22, 2003
Welcome to Issue 48 of Cornerstone, an electronic newsletter
issued periodically by Core Competence.
Cornerstone reports on a wide range of networking topics and
activities involving Core Competence. A brief abstract explains
what you will find if you choose to visit each URL.
http://searchmobilecomputing.techtarget.com/originalContent/0,289142,sid40_gci920704,00.html
Readers interested in wireless LANs might want to add this URL to their
browser favorites. Sponsored by Intel, this new searchNetworking WLAN info
center provides a handy reference for WLAN breaking news, tips by site
experts like Lisa Phifer, and related links and white papers. Tips
recently posted to this page include the following...
http://searchnetworking.com/0,294276,sid7_gci879228_tax293386,00.html
Until recently, all Wi-Fi products were based on 802.11b. Now that 802.11a
products are available, how do they compare? In this searchNetworking tip,
Lisa Phifer summarizes the differences and suggests where A, B, and A+B
Wi-Fi products are best used.
http://searchnetworking.com/0,289483,sid7_gci872324,00.html
If you are concerned about wireless LAN security, you should become
familiar with 802.1X. In enterprise WLANs, 802.1X is the keystone that
supports more robust airlink security measures. In this searchNetworking
column, Lisa Phifer discussed 802.1X product support and newly-discovered
EAP method vulnerabilities.
http://searchnetworking.com/ateAnswers/0,289620,sid7_tax292553,00.html
As a searchNetworking expert on wireless LANs, Lisa Phifer answers
questions posed each week by readers. Questions tackled this month:
http://www.networkmagazine.com/article/NMG20021203S0017
Secure Sockets Layer (SSL) VPNs are attracting attention as a viable VPN
substitute. As always, the trick is to know where and when to deploy it.
In this interview, Network Magazine publishes commentary from CoreCom's
Dave Piscitello and Chris Aronis of Synapse Strategies.
http://www.bcr.com/bcrmag/2002/12/p32.asp
Safeguarding networked assets is an operational and business necessity, but
to do so, you must understand the threats, quantify the potential cost of
being attacked and employ security best practices to manage business risk.
In this article published by BCR magazine, Dave and Lisa recommend their
top ten best practices and security measures.
http://www.corecom.com/external/livesecurity/vlans.htm
This LiveSecurity column by Lisa Phifer for WatchGuard explains how VLAN
tags can be used to creating independent firewall rules for logical
workgroups and with virtual interfaces on a WatchGuard Vclass firewall.
http://www.corecom.com/external/livesecurity/qos1.htm
Edge QoS refers to several different traffic-handling techniques, including
traffic shaping, traffic policing, and traffic marking. In this LiveSecurity
column, Dave Piscitello describes each of these concepts and how they apply
to firewalls.
http://www.watchguard.com/docs/whitepaper/qos_wp_ltr.pdf
Internet access bandwidth is a recurring and persistently expensive outlay
for most organizations. This white paper, developed by Dave Piscitello for
WatchGuard, describes how to reduce your company's cost of access and
provide better service levels by utilizing the QoS features found in
WatchGuard Firebox Vclass firewalls.
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