added /v2.7 page and updated v2.7 sidebar

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martyav
2023-06-23 17:35:57 -04:00
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title: Rancher Webhook
---
<head>
<link rel="canonical" href="https://ranchermanager.docs.rancher.com/reference-guides/rancher-webhook"/>
</head>
Rancher-Webhook is an essential component of Rancher that works in conjunction with Kubernetes to enhance security and enable critical features for Rancher-managed clusters.
It integrates with Kubernetes' extensible admission controllers, as described in the [Kubernetes documentation](https://kubernetes.io/docs/reference/access-authn-authz/extensible-admission-controllers/), which allows Rancher-Webhook to inspect specific requests sent to the Kubernetes API server, and add custom, Rancher-specific validation and mutations to the requests that are specific to Rancher. Rancher-Webhook manages the resources to be validated using the `rancher.cattle.io` `ValidatingWebhookConfiguration` and the `rancher.cattle.io` `MutatingWebhookConfiguration`, and will override any manual edits.