Mark us "Safe" from the PHP Vulnerability
By now anyone who follows Internet security, and plenty of people who don’t, have read about the two critical PHP2Shell vulnerabilities published and patched on October 21st.
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DNS Wildcards
A “wildcard” is a DNS resource record whose owner’s name starts with an asterisk. It sounds like a very simple hack to save time when creating a lot of similar names, but there may be cases where a wildcard is not what you want.
We’re sorry you missed our webinar, but you can still view the recording at: https://youtu.be/B_V16ehQIIs
Our presenter, Carsten Strotmann, covered:
- What are wildcards good for?
- How are wildcard names expanded?
- Can wildcard domains have subdomains?
- Can wildcard domains be empty non-terminal zones (ENTs)?
- What about wildcards and NSEC/NSEC3?
Speaker Information:
Carsten Strotmann has more than 20 years of professional experience working in open source networking. He has delivered many webinars and training classes on open source solutions and DNS/DHCP/IPv6/Linux/Unix security. He also is the author of various articles on IT security topics in computer magazines.
