Access "On the Radar"
This article is part of the February 2005 issue of 12 security lessons for CISOs they don't teach you in security school
Internal firewalls that mirror perimeter devices may not be worth the trouble. Most security managers and architects would agree that defense-in-depth architectures are the right approach to enterprise security. How is this done? In part, by layering firewalls. You put a primary set of firewalls on the perimeter, and then place secondary firewalls on interior network segments. This way, you keep out the Internet bad guys while controlling traffic between internal subnets. Now comes the challenge: Should perimeter and internal firewalls have the same rule sets? Before you answer, consider this: Your organization isn't entirely "your" organization. Enterprises are divided along political/ business lines in ways that show very little respect for seamless security. Perhaps you only have say over the perimeter firewalls, but the internal firewalls are controlled by divisional network managers with their own ideas of how things should be done. Does it make sense to have a loose rule set on the perimeter firewall that allows more traffic into the network, but then ... Access >>>
Premium Content for Free.
Secure Reads: The Network Security Bible
A review of the Network Security Bible by Eric Cole, Ronald Krutz and James W. Conley
Desktop Security: Senforce Portable Firewall Plus
Senforce's Senforce Portable Firewall Plus
Wireless security product review: AirTight Networks' SpectraGuard 2.0
A review of AirTight Networks' SpectraGuard 2.0
Database Security: Ingrian i211 DataSecure Platform
Ingrian Networks' Ingrian i211 DataSecure Platform
In MSSPs We Trust
Regulatory and cost-cutting pressures are forcing enterprises to reexamine the value of managed security services.
On the Job
12 lessons they don't teach you in security school about being a CISO.
- Secure Reads: The Network Security Bible
Recent Releases: Security product briefs, February 2005
Learn about the security products launched in February 2005.
IronPort C-Series Messaging Gateway: Antivirus, Antispam tool
Enhance your email security strategy with IronPort's C-Series Messaging Gateway. In this product review you will get information on cost, installation, reporting, configuration, and antivirus and antispam technology.
Hot Pick: Funk Software's Odyssey Client 3.03 and Odyssey Server 2.01
by Steven Weil, Contributor
Funk Software's Odyssey Client 3.03 and Odyssey Server 2.01
SSHv2: Safe & Secure
The overhauled encryption protocol helps harden networks.
Security: Measuring Up
by Pete Lindstrom, Contributor
Metrics are the key to measuring security. Learn how to gather data and calculate the answers you need.
- Recent Releases: Security product briefs, February 2005
Logoff: The battle against spyware
On the Radar
Perspectives: Symantec, Veritas pairing to change security
Symantec's merger with Veritas will change security managers' lives.
Editor's Desk: Nessus charges for signature updates
No Free Lunches
- Logoff: The battle against spyware
More Premium Content Accessible For Free
Deploying data protection technologies properly requires a lot of time and patience. While most firms can get started by using preconfigured policies...
The bring your own device (BYOD) movement, which has flooded the enterprise with employee-owned smartphones, tablets, phablets and purse-sized ...
For so long penetration testing meant hiring an expert to use skill and savvy to try to infiltrate the company system. But, as with most ...