• Numerous experiences with clients and students implementing Virtual Private Networks (VPNs) with IPSec have shown me that some common misconceptions exist as to their operation and troubleshooting.  We will examine three of these using the...

  • This blog is the first of a series of articles on the new security features of IOS 15.0 code. Our focus will be on what we view as the more significant and complex singular aspects...

  • Ever see those commercials, “What’s in your wallet?” Last week, I thought I lost my USB thumb drive and had images of those commercials on my mind. While I did eventually find the thumb drive,...

  • Security is a vital consideration when planning, designing, implementing, and managing any type of network infrastructure. This is especially true for wireless local area networks (WLANs), which present a unique set of challenges to both...

  • Last time we described what MFP can do, so now let’s talk about how you set it up; it only takes a few steps. First, in the controller’s GUI, navigate to Security > Wireless Protection...

  • Another One Bites the Dust – a classic 80’s hit song by Queen about the impending revenge of a young man named Steve, but it could also describe what happens to a broad range of...

  • Image via Wikipedia Wireless Local Area Network (WLAN) security is one of the most important aspects of any WLAN design. The same security exposures exist on WLANs as for hard-wired Ethernet LANs. However, WLANs are...

  • Excerpted from the “VoIP Phone Hardening – Part 2” white paper. Download the complete paper from our Knowledge Center. Within Cisco implementation of Public Key Infrastructure (PKI) there are multiple PKI roots that each phone must...

  • I had a client this week ask me how to re-skin and customize the Cisco AnyConnect client for their employees so I decided to share this with you, my blog readers, as well. As we know, the Cisco AnyConnect client allows users to connect to their corporate offices via the SSL VPN. When you install …   Read More

  • I have to deviate from our latest discussion track to bring up some exciting news in NAC world. This past week Cisco decided to release NAC 4.6 (it also just so happens to be Cisco...