September 3, 2010

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Entries for month: February 2009

The Ask Mr DNS Podcast - Episode 5

February 20 2009 by Matt Larson

In this episode, Matt and Cricket discuss and debate DNS terminology, explaining resolvers (stub resolvers, iterative resolvers), name servers (recursive name servers, authoritative name servers); they ruminate on how much of name server design is undocumented lore; and make many, many insider references.  Oh, and then they remember the name and purpose of the podcast and answer a listener’s questions about lame delegations, revealing a rift between Matt’s and Cricket’s philosophies about them.

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Posted in DNS Best Practices | 1 comments



The Ask Mr DNS Podcast - Episode 4

February 02 2009 by Matt Larson

In this, their first in-person podcast, Matt and Cricket examine the redundancy of the phrase “aiding and abetting,” discuss quirks in forwarding terminology, and cover two DNS-related security issues:  One in which resolvers are reconfigured by malware to use open recursive name servers, and another — happening on the Internet right now — in which name servers are used as amplifiers in a DDoS attack.

>> Listen

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Posted in DNS Best Practices | 1 comments