Cilium is an open source, cloud native solution for providing, securing, and observing network connectivity between workloads, fueled by the revolutionary Kernel technology eBPF

Cilium is an open source project to provide networking, security, and observability for cloud native environments such as Kubernetes clusters and other container orchestration platforms.

Welcome to Cilium’s documentation! The documentation is divided into the following sections: Cilium Quick Installation: Provides a simple tutorial for running a small Cilium setup on your laptop. Intended as an easy way to get your hands dirty …

Cilium integrates seamlessly with Kubernetes, providing networking and security through a CNI plugin. Cilium has been tested, validated, and optimized across multiple clouds and Kubernetes distributions.

The Cilium CLI can be used to install Cilium, inspect the state of a Cilium installation, and enable/disable various features (e.g. clustermesh, Hubble). Linux macOS Other

Apr 14, 2025 · Multicast Support in Cilium (Beta) Security. Securing Networks with Cilium; Overview of Network Security; Overview of Network Policy; Restricting privileged Cilium pod access; Threat Model; Observability. Network Observability with Hubble; Running Prometheus & Grafana; Monitoring & Metrics; Layer 7 Protocol Visibility; Operations. System ...

Cilium IPv6 Networking and Observability. Learn how simple IPv6 can be installed and operated with Cilium and Hubble. With Kubernetes’ IPv6 support improving in recent releases and Dual Stack Generally Available in Kubernetes 1.23, it’s time to learn about IPv6 on Kubernetes.

Cilium Service Mesh redefines traditional service mesh frameworks by integrating the mesh layer directly into the kernel using eBPF, thus eliminating the need for sidecar proxies. It manages connectivity at both the networking and application protocol layers, handling protocols like IP, TCP, UDP, HTTP, Kafka, gRPC, and DNS with greater efficiency.

Feb 21, 2025 · The Cilium community is buzzing to reunite again this April in London for KubeCon + CloudNativeCon EU and CiliumCon. As one of the most widely adopted open source projects in the cloud native ecosystem, Cilium continues to revolutionize networking, security, and …

Why Cilium Service Mesh? Since its early days, Cilium has been well aligned with the service mesh concept by operating at both the networking and the application protocol layer to provide connectivity, load-balancing, security, and observability.