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DRAFT: feat(k8s): add acl docs #3460

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50 changes: 50 additions & 0 deletions containers/kubernetes/how-to/manage-allowed-ips.mdx
Original file line number Diff line number Diff line change
@@ -0,0 +1,50 @@
---
meta:
title: Managing allowed IP addresses for Kubernetes products
description: Learn how to manage allowed IP addresses for your Kubernetes Kapsule and Kosmos clusters. Configure access restrictions with our step-by-step guide.
content:
h1: Managing allowed IP addresses for Kubernetes products
paragraph: Learn how to manage allowed IP addresses for your Kubernetes Kapsule and Kosmos clusters. Configure access restrictions with our step-by-step guide.
tags: kubernetes kapsule kosmos
dates:
validation: 2024-11-05
posted: 2024-11-05
categories:
- containers
---

Restricting IPs on Kubernetes Kapsule or Kosmos clusters enhances security by limiting access to only trusted sources, thereby reducing the risk of unauthorized access and potential attacks.
This control ensures that only specific IP addresses or networks can interact with your clusters, providing an additional layer of protection.
The default entry `0.0.0.0/0` enables any host to establish a connection.

<Macro id="requirements" />

- Scaleway account logged into the [Scaleway console](https://console.scaleway.com)
- [Owner](/identity-and-access-management/iam/concepts/#owner) status or [IAM permissions](/identity-and-access-management/iam/concepts/#permission) allowing actions in the intended Organization
- [Created](/containers/kubernetes/how-to/create-cluster) a Kubernetes Kapsule or Kosmos cluster

<Message type="note">
Allowed IP configuration is available for public networks only.
</Message>

## How to add an IP address

1. Click **Kubernetes** in the **Containers** section of the [Scaleway console](https://console.scaleway.com). The **Kubernetes Kapsule dashboard** appears.
2. Select the cluster you wish to configure. The **Cluster information** page opens.
3. Click the **Network** tab to display your cluster's network information. Your access control list appears in the **Allowed IPs for control plane** section.
4. Click **Add allowed IP**. Enter the IP address or IP block in [CIDR notation](/network/ipam/concepts/#cidr-notation) (e.g., `198.51.100.135/32` for a single IP, `198.51.100.0/24` for an IP block) and click **Add IPs**.
<Message type="note">
To restore default settings and allow connections from all IPs, add `0.0.0.0/0` to the list.
</Message>

<Message type="important">
For **Kosmos** multi-cloud clusters, allow connections from all Scaleway IP subnets to ensure proper functionality. Access from these IPs cannot be restricted. Refer to our [peering information](https://www.scaleway.com/en/peering/) for details on all Scaleway IP prefixes.
</Message>

## How to delete an IP address

1. Click **Kubernetes** in the **Containers** section of the [Scaleway console](https://console.scaleway.com). The **Kubernetes Kapsule dashboard** appears.
2. Select the cluster you wish to configure. The **Cluster information** page opens.
3. Click the **Network** tab to display your cluster's network information. Your access control list appears in the **Allowed IPs for control plane** section.
4. Locate the IP address in your allowed list.
5. Click <Icon name="delete" /> next to the IP you want to delete. Confirm by typing **DELETE** in the pop-up, then click **Delete allowed IP** to confirm deletion.
6 changes: 5 additions & 1 deletion menu/navigation.json
Original file line number Diff line number Diff line change
Expand Up @@ -1348,6 +1348,10 @@
"label": "Manage a Kosmos cluster",
"slug": "edit-kosmos-cluster"
},
{
"label": "Manage allowed IPs",
"slug": "manage-allowed-ips"
},
{
"label": "Connect to a cluster with kubectl",
"slug": "connect-cluster-kubectl"
Expand Down Expand Up @@ -4885,4 +4889,4 @@
],
"label": "Additional Services"
}
]
]
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