Introducing uif, a small tool to create untagged (VLAN) network subinterfaces in Linux.

traceroute is a source of fun for young and old, mostly old. What you may not have known until now is its ability to break the laws of physics.

In this post we will explore why protecting the Control Plane of a switch/router is vital, some of their counter-measures and their implications.

Even with -Wall -Werror, clang may silently accept buggy eBPF code with uninitialized variables and generate binaries that pass the Kernel verifier.

The eBPF network packet tracing tool you didn’t know you needed!