How to Link a Vultr Firewall Group to an Instance

1 min readUpdated 23 October 2026

Apply a Vultr Firewall group's filtering rules to an instance's main network interface by linking the two.

Linking a Vultr Firewall group to an instance enables the group's filtering rules to the main network interface. A Vultr Firewall group consists of multiple rules that define the flow of traffic and enable filtering of specific requests when linked to an instance.

Follow this guide to link a Vultr Firewall group to an instance using the Vultr Console, API, or CLI.

Navigate to Products, expand the Network drop-down and select Firewall from the list of options.
Select your target firewall group to manage it.
Click Linked Instances on the left navigation menu.
Click the Server drop-down and select your target instance from the list and click Add to link the firewall group to the instance.

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Link a Vultr Firewall Group to an Instance to Filter Traffic | Vultr Docs