[$] Examining other network namespaces using BPF

Post Syndicated from daroc original https://lwn.net/Articles/1085896/

Jordan Rife’s work involves writing BPF programs for

Cilium
that interface with

Kubernetes

networking. As part of that work, he wants to enable BPF programs with
appropriate permissions to iterate through the sockets of a different network
namespace. He led a session about the idea at the 2026

Linux Storage,
Filesystem, Memory-Management, and BPF Summit
where the BPF developers in
attendance were quick to suggest a number of related alternatives.