Author: Loxx

Aaron Woland, CCIE No. 20113, is a Principal Engineer in Cisco’s Advanced Threat Security group and works with Cisco’s Largest Customers all over the world. His primary job responsibilities include security design, solution enhancements, standards development, advanced threat solution design, endpoint security and futures. Aaron joined Cisco in 2005 and is currently a member of numerous security advisory boards, and standards body working groups. Prior to joining Cisco, Aaron spent 12 years as a Consultant and Technical Trainer. Aaron is the author of: both editions of the Cisco ISE for BYOD and Secure Unified Access book; the All-in-one Cisco ASA Firepower Services, NGIPS and AMP book; the CCNP Security SISAS 300-208 Official Cert Guide; the CCNA Security 210-260 Complete Video Course; and many published white papers and design guides. Aaron is one of only five inaugural members of the Hall of Fame Elite for Distinguished Speakers at Cisco Live, and is a security columnist for Network World where he blogs on all things related to Security. His other certifications include: GHIC, GCFE, GSEC, Certified Ethical Hacker, MCSE, VCP, CCSP, CCNP, CCDP and many other industry certifications. You can follow Aaron on Twitter: @aaronwoland

Give me my Attribute mapping back for Sponsor Groups

In ISE 1.0 Cisco introduced an integrated Guest solution with a next-generation RADIUS-based policy server.  That policy server was game-changing, certainly.  Other companies responded to this market changing model by making some very strategic moves with their chess pieces to be similarly positioned. Figure 1 shows an example of the ISE 1.2.x (and below) Sponsor … Continue reading Give me my Attribute mapping back for Sponsor Groups →

Standards for Secure-Network-Access

I'm amused at how often I hear negative comments about proprietary enhancements from Cisco.  I am one of many (many, many, many) employees of Cisco who is actively involved in standards body organizations, including the IETF.  Many of today's networking standards have started out as proprietary solutions that are available years prior to the standard being complete. … Continue reading Standards for Secure-Network-Access →

Simply Put: How Does Certificate-Based Authentication Work?

I find a few universal truths when mentioning certificates to people. Most people I speak with consider them to be a very secure concept almost without fail. However upon mentioning that I want to talk about certificates: that person's face turns a slightly lighter shade, their eyes get a bit wider, and they have this … Continue reading Simply Put: How Does Certificate-Based Authentication Work? →

Realm Stripping

I am often asked about support for “Realm Stripping”, albeit mostly by those in the University Space.  It’s an interesting concept, certainly.  The idea is that someone will issue an identity that includes some “routing” information within the identity.  For example, a user may issue a username of: johndoe@somedomain.com.  From that username, the RADIUS server … Continue reading Realm Stripping →

What are WildCard Certificates? And how do I use them with Cisco’s ISE

What is a Wildcard Certificate? A wildcard certificate is one that uses a wildcard notation (an asterisk and period before the domain name) and allows the certificate to be shared across multiple hosts in an organization.  An example CN value for a wildcard certificate’s Subject Name would look like the following:  *.company.local If you configure … Continue reading What are WildCard Certificates? And how do I use them with Cisco’s ISE →