Technical blog

Blogs.

Articles on eBPF, networking, IPv6, and systems engineering. Future posts will be published here as standalone pages.

Mar 2024
8 min read

Using TC-BPF to redirect DNS traffic in Docker containers

Intercepting and redirecting container DNS packets with tc/eBPF, bpf_redirect_neigh, and a closer look at the packet path.

eBPFLinuxDockerDNSExternal