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Cilium

@cilium.io

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eBPF-based Networking, Security, and Observability Open Source | http://cilium.io | http://ebpf.io | http://github.com/cilium/cilium Newsletter http://cilium.io/newsletter

cilium.io

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Cilium @cilium.io · Jul 29

🐝 Release Announcement 🐝

We are excited to announce the Cilium 1.18.0 release! A total of 3,298 new commits have been contributed to this release by a growing community of over 955 developers and over 22,000 GitHub stars!

Learn more: github.com/cilium/ciliu...

Release 1.18.0 · cilium/cilium

We are excited to announce the Cilium 1.18.0 release! A total of 3298 new commits have been contributed to this release by a growing community of over 955 developers and over 22,000 GitHub stars! ⭐...

github.com

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Cilium @cilium.io · 23h

🔍 Cilium Network Policies — From First Principles to Production

Read more about how Cilium policies actually work under the hood — from label-based identities to real-world rollout strategies.

Read more from Dean Lewis: veducate.co.uk/cilium-netwo...

Cilium Network Policies, from first principles to production

Learn how to design and roll out Cilium Network Policies in Kubernetes with this hands-on tutorial. See YAML examples, Hubble flow outputs, deny rules, and troubleshooting tips to secure workloads…

veducate.co.uk

Cilium @cilium.io · 1d

🐝 New User Alert 🐝

The University of Wisconsin–Madison leverages Cilium in production clusters.

github.com/cilium/ciliu...

Update USERS.md University of Wisconsin by cccsss01 · Pull Request #42075 · cilium/cilium

Adds University of Wisconsin to the list

github.com

Cilium @cilium.io · 2d

Join Microsoft's Shreya Jayaraman & Tamilmani Manoharan at #CiliumCon to explore CiliumEndpointSlice and how it enables scalable container networking and optimizations in the #Cilium ecosystem.

🔗 colocatedeventsna2025.sched.com/event/28Czl/...

#KubeCon

Cilium @cilium.io · 5d

Join @mauilion.dev next Friday to learn all about running Tetragon on Linux servers. He will demo how easy it is to set up and install for eBPF-based security, observability, and runtime enforcement.

eBPF & Cilium Office Hours
📆 Oct 17, 11am PT
🎥 Livestream: www.youtube.com/live/Sjew34d...

Cilium @cilium.io · 5d

#CiliumCon is 1️⃣ month away!

Co-chairs Bill Mulligan and Hemanth Malla will kick off the day. They've curated a schedule covering everything from Cilium Mesh in production to running IPv6 only #Kubernetes clusters.

Who's ready? 🙋

🔗 Schedule: colocatedeventsna2025.sched.com/overview/typ...

Cilium @cilium.io · 6d

The #Cilium User Survey is open through October 23! 📊

Your feedback will help us prioritize feature maturity, documentation, integrations, and more.

Results will be anonymized and shared during #CiliumCon. Please take a few minutes to fill it out!
🔗 cs.co/cilium-survey25

Cilium @cilium.io · 7d

“Cilium has very thorough and well-written documentation, and that makes a big difference not only for getting up and running but also for the Day 2 experience.”

Nutanix adopted #Cilium as the default CNI in NKP to overcome #Kubernetes operational barriers. Read more: www.cncf.io/case-studies...

Nutanix

Nutanix needed a more modern, efficient, and easier-to-manage CNI for its managed Kubernetes platform (NKP), especially as existing solutions posed complexity in configuration and lacked performance…

www.cncf.io

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Cilium @cilium.io · 7d

🐝 eCHO News Episode 92 🐝

5 Years of Cilium at GKE
eBPF Summit Hackathon

cs.co/echo-news-92

Reposted by Cilium

AWS Blogs on 🦋 @awsblogs.bsky.social · 19d

📰 New article by Harpreet Virk, Padma Iyer

Scaling Cloudera’s development environment: Leveraging Amazon EKS, Karpenter, Bottlerocket, and Cilium for hybrid cloud

#AWS #Migrations #Modernization

Scaling Cloudera’s development environment: Leveraging Amazon EKS, Karpenter, Bottlerocket, and Cilium for hybrid cloud

This post is co-written with Shreelola Hegde,Sriharsha Devineni and Lee Watterworth from Cloudera. Cloudera is a global leader in enterprise data management, analytics, and AI. The Cloudera platform enables organizations to manage, process, and analyze massive datasets, helping businesses across industries like finance, healthcare, manufacturing, and telecommunications accelerate AI/ML adoption and unlock real-time insights. A [...]

aws.amazon.com

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Reposted by Cilium

Leigh Capili 🧋 @capileigh.bsky.social · 19d

sometimes your friend tells you that they made an ebpf font and then ur happy
github.com/cilium/commu...

@spurin.com

community/fonts at main · cilium/community

Here you can find community content around Cilium. Contribute to cilium/community development by creating an account on GitHub.

github.com

1 1 2

Reposted by Cilium

Liz Rice 💛💙🐝 @lizrice.com · 9d

eBPF Summit 2025: Hackathon edition is live! ebpf-summit-2025.devpost.com

#eBPF #eBPFSummit

eBPF Summit: Hackathon Edition 2025

Unleash the power of eBPF!

ebpf-summit-2025.devpost.com

3 6

Cilium @cilium.io · 13d

The Cilium User Survey is still open! Beyond features, we want to understand the community experience:

- Have you contributed code, issues, or docs?
- What are the biggest pain points?
- How can we help new contributors get started?

Results will be shared during CiliumCon.
🔗 cs.co/cilium-survey25

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Cilium @cilium.io · 16d

"Cilium replaced everything that previously had anything to do with networking...it can remove the need for so many other tools, like Kube-Proxy." - Josef Mende, SysEleven

Learn how Cilium helps orgs like DigitalOcean, Meltwater, and SysEleven with tool consolidation: cilium.io/outcomes/too...

Cilium @cilium.io · 19d

🐝 Cilium has evolved beyond a CNI – Cluster Mesh, Hubble, Tetragon, the ecosystem is expanding fast.

We want to know: Which features are you running? How? Where? Which don’t fit your environment?

📊 Cilium User Survey: cs.co/cilium-survey25

Feedback will help us prioritize features, docs & more.

Cilium @cilium.io · 20d

Cilium powers the default networking for major Kubernetes platforms like GKE, EKS-A, and AKS, and is trusted by organizations like ECCO, Sicred, Trip.com, and more.

Learn more about how Cilium enables Multi-Cloud Connectivity: cilium.io/outcomes/mul...

Cilium @cilium.io · 21d

Join @lizrice.com and Dylan Reimerink for an eCHO livestream on the clang-free runtime config for #Cilium and #eBPF.

They will dive into the benefits, what to expect & more!

📆 Fri, 3 Oct - 3pm CEST
🎬 www.youtube.com/live/Sw5sc5Y...

Hear more from Liz: www.youtube.com/shorts/efRpN...

eCHO: Clang-free Cilium and runtime eBPF configuration #eBPF #cloudnative #cilium

Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube.

youtube.com

Cilium @cilium.io · 21d

Nutanix adopted Cilium as the default CNI in its Nutanix #Kubernetes Platform. Cilium was chosen for its simplicity, robust documentation, and advanced capabilities like DSR, Hubble observability, and identity-based security—all powered by #eBPF.

Read more: www.cncf.io/case-studies...

Nutanix

www.cncf.io

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Cilium @cilium.io · 22d

What can you expect from #CiliumCon 2025? #Cilium is nearly 10 years old, and this year’s event represents a milestone in maturity. The speakers are implementing Cilium in the most demanding production environments, from 60k node clusters to IPv6-only networks.

🔗 www.cncf.io/blog/2025/09...

Cilium @cilium.io · 22d

🐝 eCHO News Episode 91 🐝

Cilium User Survey
$100k eBPF Foundation Research Grants

cs.co/echo-news-91

Reposted by Cilium

Bill Mulligan 🐝🐝🐝 @breakawaybilly.bsky.social · 26d

First Cilium became the default for every major cloud provider’s Kubernetes distribution. Now it’s the first and only CNI certified across the entire Red Hat ecosystem.

Home lab, cloud, on premise, what else is left for Cilium to become the standard?

Red Hat Certifies Isovalent Networking for Kubernetes on OpenShift Hosted Control Planes

Isovalent Networking for Kubernetes is the first and only CNI certified for Red Hat OpenShift Hosted Control Planes (HCP). Learn how enterprises can deploy Cilium with OpenShift HCP and ROSA to achieve...

isovalent.com

3 5

Reposted by Cilium

Kapil Agrawal @netops2devops.net · 25d

For anyone using or interested in running @cilium.io as standalone NAT46x64Gateway I have updated my blog post for the latest cilium v1.18.x releases.

netops2devops.net/posts/cilium...

Using Cilium as a standalone NAT46x64Gateway

netops2devops.net

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Cilium @cilium.io · 23d

Does sustainability start at the network layer? CNIs optimize network paths, remove unnecessary components, and provide observability.

Read more about how organizations like ECCO, Kakao, and Seznam use Cilium to reclaim resources, cut bills, and improve sustainability: cilium.io/outcomes/cos...

Cilium @cilium.io · 23d

🐝 New User Alert 🐝

Vietnam’s leading telecommunications company, FPT Telecom, is using Cilium!

github.com/cilium/ciliu...

docs: Add FPT Telecom to USERS.md by minhng99 · Pull Request #41673 · cilium/cilium

We read every piece of feedback, and take your input very seriously.

github.com

Cilium @cilium.io · 23d

Thank you to zeyuwzy for contributions Tetragon 🐝

Users now can read the kernel config with tetra probe config, have a convenient package to ask for kernel config if needed for guarding a feature.

Read more: github.com/cilium/tetra...

tetragon: add `tetra probe config` and HasAuditLoginuid function by zeyuwzy · Pull Request #4020 · cilium/tetragon

1.Add HasAuditLoginuid() to check kernel support for CONFIG_AUDIT when auid is unavailable. 2.Add DetectConfig() ,in pkg/kernels/config.go, to detect kernel configuration status, enabling other det...

github.com

Cilium @cilium.io · 26d

A special shoutout to Farooq Shaikh for contributions adding support for running the Tetragon operator as a non-root user 🐝

Learn more: github.com/cilium/tetra...

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