How to Enable a Vultr Firewall Group on a Vultr Cloud GPU Instance

1 min readUpdated 26 May 2026

Vultr Firewall groups enable the creation of firewall rules to filter incoming traffic on an instance's public network interface. Firewall rules consist of IPv4 or IPv6 port and service definitons to filter network traffic.

Follow this guide to enable a Vultr Firewall group on a Vultr Cloud GPU instance using the Vultr Console, API, CLI, or Terraform.

Navigate to Products and click Compute.
Click your target instance to open its management page.
Navigate to the Settings tab.
Click Firewall on the left navigation menu.
Click the Firewall drop-down to select a new firewall group.
Click Update Firewall Group to apply changes on the instance.

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How to Enable a Vultr Firewall Group on a Vultr Cloud GPU Instance | Vultr Docs