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May 30, 2007 12:00 AM

Guard Your Network with Software NAC

4 products offer a diversity of approaches
Windows IT Pro
InstantDoc ID #95842
Rating: (0)

Policies work uniquely in Safe Access. Each Safe Access server uses one set of policies. You can customize the provided policies and add additional policies of your own, in either an enabled or disabled state. You assign to each policy a set of Windows domains or endpoint devices by name, MAC address, subnet address, or IP address range, then arrange the policies in a logical order. Endpoints are tested according to the first policy for which they meet membership requirements. Endpoints that match no policies will be tested according to the last—usually most restrictive—listed policy. For each test within a policy, you can set actions that Safe Access will take on failure, including an email message to an administrative email address, immediate or delayed quarantine, and a call to an automated remediation system. When an endpoint fails more than one test in a policy, the software assigns the most restrictive of the resulting failure actions. I configured email notification and found that it provided a detailed description of the reasons an endpoint failed the test—information that occurred to me as potentially quite useful to Help desk staff assisting users with remediation problems. If predefined tests don't meet your needs, the Safe Access user guide documents how to use the Python development language to code custom tests.

When testing quarantine, I found no surprises. Test failure resulted in immediate quarantine when that was configured and in delayed quarantine if that was the test specification. From the device status screen, I was able to immediately grant a quarantined device additional time, and I was able to retest the endpoint for compliance.

Bottom line. Safe Access offers network administrators an excellent combination of ease of use, flexible policy assignment, and network security options. The Web-based UI is responsive, quickly understood, and replete with useful context-sensitive Help. Although the Safe Access management interface lacks the integration of other tiered security products (e.g., McAfee's EPO), you might prefer the lean, efficient simplicity of its design.

StillSecure Safe Access 5.0
PROS: Broad range of testing and enforcement options, including 802.1x; flexible, easily implemented policy structure; relatively granular console security structure, adaptable to distributed administration; endpoint testing is highly customizable through Python, when existing tests don't meet the need
CONS: Lacks support for enforcement via SNMP managed switches
RATING: 4.5 out of 5
PRICE: Approximately $20 per IP address, assuming a 2500-user deployment. No extra charge for white-listed IP addresses.
RECOMMENDATION: StillSecure has produced an excellent, easy to configure and use NAC system. The responsive web console, predefined tests, preconfigured enforcement options, made it a pleasure to set up and use. The ability to easily grant temporary network access to failing systems will help keep your users happy.
CONTACT: StillSecure (http://www.stillsecure.com) 888-847-8766

Editor's Choice
At the conclusion of my testing, I had two favorites in this group. First, StillSecure's Safe Access gets my Editor's Choice for its clean 802.1x implementation, easy manageability and flexible quarantine features. I didn't test performance features, but I suspect the product's Linux-based, designed-for-NAC core would handle a heavy load. My other favorite is McAfee's Policy Enforcer. I'm a fan of the EPO console for its well designed ability to integrate the management of McAfee's suite of security products.

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