Over at my day job we've created a Newly Observed Domains service which tracks domain first sightings and packages them up in various ways that can be used to determine network reputation. As in most advanced DNS-related technologies, my home and guests and family are guinea pigs early adopters scratch monkeys for the new tech. Here, I'll share some recipes.
source address validation is one of the windmills i've tilted at the most. the problem is so bad that most people who hear about it simply can't believe that the internet could work at all if what i'm saying is true. bad news folks: what i'm saying is true. in addition to many speaking engagements where i have let large audiences in on what ought not be a secret, i've done some writing on the topic, and some technology development. references are below. i also spoke to a reporter on this topic recently, and summarized the story of source address validation as follows:
I long believed that I'd destroyed all copies of this, but a friend had it in hard copy and scanned it in. I think 13 years is long enough. Think of this as the unpublished conclusion from my Ph.D thesis.
Note, Paul Mockapetris wrote none of this, I had his name on it as part of the joke. Paul M convinced me not to submit this as an April 1 RFC that year, in fact.
Decades ago I worked with the team at MAPS (the world's first anti-spam company; "MAPS" is "SPAM" spelled backward, and we had it mean Mail Abuse Prevention System) to work up a standard by which a given single e-mail message could be determined to be "spam" or not. This is because a lot of the people who wanted to send bulkish e-mail that nobody wanted to receive were just as cute as they could be about skirting definitions that involved streams of e-mail.
I have two questions for people who are uncomfortable about homosexuality.
I'm in Berlin for the first time and after walking past the Brandenburg Gate and into the park, I saw a plaque. It was in German and English -- the picture here is of the English language side. It made me wonder.