Tip

Hardening your router: Increasing security with ACLs

Learn how to harden your router in this step-by-step, automated, ten-minute demo. Expert David Davis walks you through the steps you'll need to take to use Cisco IOS access control lists (ACLs) to define and filter traffic for better network security. (Click the play button to begin the video.)

About the speaker: David Davis (CCIE #9369, CWNA, MCSE, CISSP, Linux+, CEH) has been in the IT industry for 15 years. Currently, he manages a group of systems/network administrators for a privately owned retail company and authors IT-related material in his spare time. He has written more than 100 articles, eight practice tests and four video courses, and he has co-authored one book. His Web site is

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HappyRouter.com.

This was first published in July 2007

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