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Tetragon 1.0: Kubernetes Security Observability & Runtime Enforcement with eBPF
Cilium Tetragon 1.0 has arrived! marking a significant stride in Kubernetes security and observability, offering low-overhead, eBPF-driven runtime enforcement and monitoring
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How DB Schenker Migrated from Calico to Cilium
Learn how DB Schneker migrated their Kubernetes platform CNI from Calico to Cilium
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Cilium 1.0: Bringing the BPF Revolution to Kubernetes Networking and Security
The last couple of months have been tremendously exciting for everyone working on Cilium and BPF. We have witnessed a fast growing community of Cilium users as well as the rapid increase of BPF usage and development with companies such as Google joining the existing already strong BPF community of engineers from Facebook, Netflix, Red Hat and many more.
Release
Why is the kernel community replacing iptables with BPF?
The Linux kernel community recently announced bpfilter, which will replace the long-standing in-kernel implementation of iptables with high-performance network filtering powered by Linux BPF, all while guaranteeing a non-disruptive transition for Linux users.
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Cilium 1.0.0-rc9 - Feature Freeze for 1.0!
We are excited to announce Cilium 1.0.0-rc9 with many, many bugfixes and the delivery of the final feature we were waiting on prior for 1.0: Egress policy enforcement support. It is therefore only logical that we announce full feature freeze with rc9. This means that we will only merge critical bugfixes and release 1.0 as soon as we have resolved all release blockers. More on this below. We are thrilled to have come this far and appreciate all of the efforts by the wide range of contributors that have helped to get us here. As usual, the full release notes are attached at the end of the blog but can be found on the 1.0.0-rc9 release page. The vast majority of the work in this release has been around bugfixes and testing. Here is a list of some highlights:
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Cilium 1.0.0-rc4 released
We are excited to have released Cilium 1.0.0-rc4. The release contains a lot of bugfixes as usual plus a lot of CI work to ensure quality long term but there are also some enhancements highlights and tooling worth mentioning.
Release
Connectivity Troubleshooting with cilium-health
As we approach the upcoming 1.0 release, the Cilium community has been putting a lot of effort towards monitoring and troubleshooting. This has led to the development of several new tools in the project which we'll explore in this blog series. In this first part, we will cover **cilium-health**, a tool for troubleshooting intra-cluster connectivity issues.`
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Cilium 1.0.0-rc2 - gRPC, Kafka and much more
The Cilium community has been hard at work over the past weeks to get us closer to what we consider is required for a 1.0 release. We have made a ton of progress and are happy to announce the release of 1.0.0-rc2 at this point.
Release
Cilium Now Speaks gRPC!
The Cilium team is happy to announce tech preview support for gRPC-aware filtering!
Technology
What Cilium and BPF will bring to Istio
There is a lot of excitement around Istio this week at KubeCon. We are getting pinged multiple times a day now with questions on how exactly Cilium and Istio relate to each other. Istio abstracts away a lot of networking specific complexity and provides visibility and control to application teams. We couldn't agree more with the moving networking to Layer 7 and provide the necessary instruments for efficient operation at the layer where it makes sense:the application protocol. This blog post serves to answer a simple question:How is Istio related to Cilium? Can I use both together? Will one benefit from the other?
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Cilium now supports Kafka!
We have released Cilium v0.12 a couple of weeks back. One of the exciting feature additions is the introduction of Kafka protocol visibility and policy enforcement in form of a tech preview.
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