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July 18, 2019 2:12PM

A Tale of Two (APT) Transports

Access Linux HTTPS Security

Securing access to your APT repositories is critical. At Cloudflare, like in most organizations, we used a legacy VPN to lock down who could reach our internal software repositories. However, a network perimeter model lacks a number of features that we consider critical to a team’s security....


July 10, 2019 1:07PM

A gentle introduction to Linux Kernel fuzzing

For some time I’ve wanted to play with coverage-guided fuzzing. I decided to have a go at the Linux Kernel netlink machinery. It's a good target: it's an obscure part of kernel, and it's relatively easy to automatically craft valid messages....