Fred Avolio was a member of
WatchGuard Technologies, Inc.’s
LiveSecurity Advisory Council, and wrote a column for their
LiveSecurity Service, a service that allows their subscribers to
stay current on security issues. We republish them with WatchGuard’s
permission.
Using Your Firebox’s Optional Interface.
The title refers to the WatchGuard Firebox Firewall, but this
column is applicable to anyone who has or is thinking about setting up
a DMZ.
Your New Firebox: Day 8
. Though the title is WatchGuard-centric, this column deals
with what every new firewall administrator should do on the 8th day.
Introduction to WatchGuard’s SMTP Proxy.
Even if you don’t have a Firebox, you’ll learn why you really want an application
gateway (proxy) dealing with this stuff.
Secrets of Security Policy Development
Revealed!
At the risk of hurting my consulting business, I reveal
secrets heretofore known only to the “Arch Mages” of Internet Security.
(Please don’t tell.)
Foundations:
Cryptography 101
. Data and information residing on computers and flowing
over telephone and network connections are vulnerable to theft,
modification, and forgery. This article, aimed at the neophyte, looks
at a technique used to secure transmissions over a network or to protect
data files as they reside on a computer. The technique is called
cryptography .
Defense
in Depth
A WatchGuard column discussing what defense in depth means
and ways to achieve it.