![]() |
Cornerstone Issue 47: December 18, 2002
Welcome to Issue 47 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://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
Visit this Q&A page to read answers or pose your own question to any
searchNetworking site expert.
http://www.watchguard.com/docs/wirelesslans_wp_ltr.pdf
This paper, developed by Dave Piscitello for WatchGuard, discusses the
concerns around incorporating wireless LANs into trusted networks, and
explains that many wireless LAN issues can be addressed with conventional
security practices and technologies you may have already deployed.
Includes a security checklist for network administrators to use when
implementing wireless security.
http://searchnetworking.com/webcastsTranscriptSecurity/1,289693,sid7_gci868667,00.html
IEEE 802.11a, b, or g - which wireless LAN standard is right for you?
What's the difference between 802.1x and 802.11i - more importantly,
why should you care? In this searchNetworking audio event transcript,
Lisa Phifer spells out the A-B-C's of 802.11 standards and explains where
these standards appear in today's wireless LAN products and services.
http://searchnetworking.com/tip/1,289483,sid7_gci868459,00.html
Those searching for "free" VPN client software have many options. In this
column, Lisa Phifer provides a survey of open source, embedded, third
party trial, and vendor-specific VPN clients that run IPsec and IKE.
http://searchnetworking.com/tip/1,289483,sid7_gci860630,00.html
In this companion column, Lisa Phifer considers "free" VPN clients that
use the Layer 2 Tunneling Protocol (L2TP) over IPsec, and explains how
they differ from PPTP or "vanilla" IPsec VPN clients.
http://www.watchguard.com/docs/vlans_wp_ltr.pdf
VLANs separate large networks into smaller pieces that are easier to maintain.
Extending VLANs into your firewall takes this modularity to the next level.
This primer, developed by Lisa Phifer for WatchGuard, explains how VLAN tags
can be used to bind policies to virtual interfaces, creating independent
firewall rules for logical workgroups.
http://www.corecom.com/external/livesecurity/webserver.htm
With cross site scripting attacks more commonplace, complex, and malicious
than ever, one important initiative for keeping your Web site secure is this:
timely inventory, review, and control of Common Gateway Interface (CGI) code.
With the right scanners, assessing the security of CGI scripts doesn't have
to be expensive. In this column, Dave Piscitello considers how to use web
server scanning tools to reduce exposure to cross-site scripting attacks.
-----------------------------------------------------------------
Cornerstone is an electronic publication of Core Competence, Inc.
If you do not wish to receive future issues, please reply to this
message or send email to
cornerstone@corecom.com
with the word "remove" in the subject line or message body.
For additional information about Core Competence, visit our web site http://www.corecom.com
|