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Tagged "Linux"

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....

May 03, 2019 1:00PM

eBPF can't count?!

eBPF Linux Programming

It is unlikely we can tell you anything new about the extended Berkeley Packet Filter, eBPF for short, if you've read all the great man pages, docs, guides, and some of our blogs out there. But we can tell you a war story, who doesn't like those?...

April 24, 2019 6:21PM

xdpcap: XDP Packet Capture

Linux Developers Programming

Our servers process a lot of network packets, be it legitimate traffic or large denial of service attacks. To do so efficiently, we’ve embraced eXpress Data Path (XDP), a Linux kernel technology that provides a high performance mechanism for low level packet processing....