> For the complete documentation index, see [llms.txt](https://docs.ionos.com/cloud/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ionos.com/cloud/security/network-security-groups/api-how-tos/delete-rule.md).

# Delete Firewall rule from a Network Security Group

{% hint style="info" %}
**Note:** Only contract administrators, owners, and users with permissions to the VDC concerned can create and manage NSGs via API.
{% endhint %}

{% hint style="info" %}
**Prerequisite:** You need an <code class="expression">space.vars.ionos\_cloud</code> account with API credentials configured with the appropriate permissions.
{% endhint %}

To delete a firewall rule from a NSG, you must use the following [<mark style="color:blue;">Cloud API</mark>](https://api.ionos.com/docs/cloud/v6/#tag/Data-centers) `DELETE` request providing the `datacenterId`, `securityGroupId` and `ruleId`:

`DELETE /datacenters/{datacenterId}/securitygroups/{securityGroupId}/rules/{ruleId}`

## Request

```bash
curl --location --request DELETE 'https://api.ionos.com/cloudapi/v6/datacenters/5a88aa8b-8aa1-51f6-XXd1-XXXXXe9f31/securitygroups/bxxxx-axXX-0008-8888-99k0444e5555/rules/axxxx-axXX-0008-8888-99k0444e5555' \
--header 'Content-Type: application/json' \
--header 'Authorization: Basic YYXabCDeFmLMO0c2hyYUBpb25vcy5jb206I1Bha2lzdGFuXzE=' \
```

## Response

**202 Accepted**


---

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