A story about AF_XDP, network namespaces and a cookie | allinfosecnews.com

July 18, 2022, 12:56 p.m. | Bastien Dhiver

The Cloudflare Blog blog.cloudflare.com

A crash in a development version of flowtrackd (the daemon that powers our Advanced TCP Protection) highlighted the fact that libxdp (and specifically the AF_XDP part) was not Linux network namespace aware. This blogpost describes the debugging journey to find the bug, as well as a fix.

cookie deep dive linux namespaces network networking

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