On the recordRead 1 Oct 202612 facts
Hubble
Plans and prices
Hubble
Free
Open source observability layer of Cilium · Requires Cilium to be installed in a Kubernetes cluster
Read 1 Oct 2026 · docs.cilium.io
On the record
- CLI
- The Hubble CLI can connect to Hubble Relay or a local server to retrieve flow events.docs.cilium.io · read 1 Oct 2026
- Cluster visibility
- Hubble Relay connects to Hubble instances to provide visibility across a cluster or across multiple clusters in a ClusterMesh scenario.docs.cilium.io · read 1 Oct 2026
- Flow visibility
- Hubble provides network flow visibility with identity and label metadata, DNS-aware filtering, and protocol-specific insights.docs.cilium.io · read 1 Oct 2026
- Integrations
- Cilium documentation describes metrics and alerting integration with Prometheus, Grafana, and other monitoring systems.docs.cilium.io · read 1 Oct 2026
- Maker
- Cilium was originally created by Isovalent.cilium.io · read 1 Oct 2026
- Platform support
- The Hubble CLI installation guide provides downloads for Linux, macOS, and Windows.docs.cilium.io · read 1 Oct 2026
- Purpose
- Hubble is a distributed networking and security observability platform built on Cilium and eBPF.docs.cilium.io · read 1 Oct 2026
- Requirements
- Hubble observability requires Cilium to be installed, and only pods managed by Cilium are observable by Hubble.docs.cilium.io · read 1 Oct 2026
- Sensitive data
- Layer 7 flow data is not redacted by default; Cilium provides options to redact HTTP query parameters, URL user information, and headers.docs.cilium.io · read 1 Oct 2026
- Service maps
- Hubble UI provides a graphical service map for viewing service dependencies and recent flow events.docs.cilium.io · read 1 Oct 2026
- Transport security
- When Hubble APIs are exposed over TCP, connections between Hubble instances and Relay are secured with mutual TLS by default.docs.cilium.io · read 1 Oct 2026
- Troubleshooting
- Hubble can help identify whether failed communication is caused by DNS, an application, or a network problem at Layer 4 or Layer 7.docs.cilium.io · read 1 Oct 2026
