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eBPF-based Firewall with LPM Trie–Based IP Range Matching Coding Lab Now Available

Another week, another XDP tutorial.

Dec 23, 2025 • Teodor J. Podobnik

Dynamic Runtime Policies in eBPF Using Bitmasks

Whenever one creates runtime security policies in eBPF, it usually looks something like this:

Dec 16, 2025 • Teodor J. Podobnik and Neil Naveen

Interview with Henrik Rexed, CNCF Ambassador, Cloud Native Advocate at Dynatrace

This time I sat down with Henrik Rexed, CNCF Ambassador and Staff Engineer at Dynatrace. Henrik is also the voice behind the popular blog Is It…

Dec 2, 2025 • Teodor J. Podobnik

26:23

November 2025

Network Traffic Rate Limiting with eBPF/XDP Coding Lab Now Available

Last week, I released the first eBPF tutorial about XDP, focusing on fundamentals like the attachment point, capturing packets, and parsing them.

Nov 25, 2025 • Teodor J. Podobnik

eBPF XDP Fundamentals Coding Lab Now Available

Today, I’m releasing a new coding lab focused on the eBPF/XDP program type — specifically used in network-related applications.

Nov 18, 2025 • Teodor J. Podobnik

Interview with Rafael David Tinoco, Senior Software Engineer at Garnet

This time I sat down with Rafael David Tinoco, Engineer at Garnet, where he’s developing Jibril — a runtime security engine.

Nov 11, 2025 • Teodor J. Podobnik

26:28

eBPF CO-RE Skill Path: Coding Labs Now Available

#2 eBPF Skill Path

Nov 4, 2025 • Teodor J. Podobnik

October 2025

Reflecting on 1-ish year of eBPFChirp and all the things I learned along the way

Today marks the 50th edition of this newsletter—and instead of the usual technical deep dive, I thought I’d pause for a moment to look back on what the…

Oct 28, 2025 • Teodor J. Podobnik

Interview with Avi Lumelsky, AI Security Researcher at Oligo Security

This time I sat down with Avi Lumelsky, AI Security Researcher at Oligo Security, where he works at the intersection of AI and runtime protection.

Oct 21, 2025 • Teodor J. Podobnik

36:38

Runtime Security in GitHub Actions using eBPF

Backend Meetup Ljubljana 2025

Oct 14, 2025 • Teodor J. Podobnik

21:48

Learning eBPF in Your Browser with eBPFChirp

eBPF Online Coding Labs on iximiuz Labs

Oct 7, 2025 • Teodor J. Podobnik

September 2025

Accelerating Pub-Sub Systems using eBPF

Commentary on "Toward eBPF-Accelerated Pub-Sub Systems" Research Paper

Sep 23, 2025 • Teodor J. Podobnik

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