---
title: Update Firewall Group
url: https://docs.vultr.com/reference/vultr-cli/instance/update-firewall-group
description: Assigns a different firewall group to an existing Vultr instance to apply updated network access rules and enhance security.
publish_date: 2025-09-14T03:06:07.509029Z
last_updated: 2025-11-07T17:46:35.017568Z
---

The `vultr-cli instance update-firewall-group` command assigns a different firewall group to an existing Vultr instance, enhancing security by changing network access rules.

## Usage

```console
$ vultr-cli instance update-firewall-group [flags]
```

## Flags
| Shorthand | Long Version | Description |
|-----------|--------------|-------------|
| -f | --firewall-group-id | firewall group id that you want to assign. 0 Value will unset the firewall-group |