D/Line Radio Blog

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Is going wrong a right of passage in technology?

It’s not often you want to air your mistakes or errors in public. An HBO intern recently sent a test e-mail to the production list and Fastly allowed a customer configuration change to disrupt...

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Parsing Wave Files in Python

It sounds like a simple task – grab some WAVE audio files and parse them so we can read the metadata and samples in Python. I mean, the WAVE (really, RIFF with WAVE) format...

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Naively Detecting Pivots with NetFlow

The experiment started with a simple question – can you detect interesting behaviour with only NetFlow data? There are numerous tools on the market that can do this will full network taps but that’s...

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Grabbing Your iRules by the TesTcl

Ok, I’ll admit, it’s hard to pass an opportunity to joke about a name such as TesTcl. Much like it’s namesake, it’s a serious issue. My current employer makes use of F5 load balancers....