How to Create a Vultr Firewall Group

[Suhitha]

Question: How to Create a Vultr Firewall Group


A process that prepares and configures a server or service for use after initial deployment.

Vultr Firewall is a web-based service that filters network traffic to instances in your Vultr account using groups. A Vultr Firewall group consists of multiple IPv4 and IPv6 network rules that enable you to define specific ports and traffic sources to your instances.

Follow this guide to create a new Vultr Firewall group to manage network traffic filtering rules using the Vultr Customer Portal, API, CLI, or Terraform.


Vultr Customer Portal

1.Navigate to Products, expand the Network drop-down and select Firewall from the list of options.

2.Click Add Firewall to set up a new firewall group.

3.Enter your firewall group label in the Description field

4.Click Add Firewall Group to apply the group and manage the network filtering rules.


Vultr API

1.Send a GET request to the List Firewall Groups endpoint and verify all active firewall groups in your Vultr account.

Code Select Expand

console


$ curl "https://api.vultr.com/v2/firewalls" \
  -X GET \
  -H "Authorization: Bearer ${VULTR_API_KEY}"

2.Send a POST request to the Create Firewall Group endpoint to create a new Vultr Firewall group.

Code Select Expand

console


$ curl "https://api.vultr.com/v2/firewalls" \
  -X POST \
  -H "Authorization: Bearer ${VULTR_API_KEY}"

Visit the List Firewall Groups API page to view additional attributes to apply on the firewall group.


Vultr CLI


1.List all Vultr Firewall groups in your account.

console


$ vultr-cli firewall group list


2.Create a new Vultr Firewall group.

Code Select Expand

console


$ vultr-cli firewall group create --description <label>

Run vultr-cli firewall group create --help to view additional options to apply on the firewall group.


Terraform

1.Ensure the Vultr Terraform provider is configured in your Terraform project.

2.Create a firewall group (and optionally a rule), then apply.

Code Select Expand

terraform


resource "vultr_firewall_group" "web" {
    description = "web-fw"
}

resource "vultr_firewall_rule" "allow_http" {
    firewall_group_id = vultr_firewall_group.web.id
    protocol          = "tcp"
    port              = "80"
    ip_type           = "v4"
    subnet            = "0.0.0.0"
    subnet_size       = 0
    notes             = "Allow HTTP"
}

3.Apply the configuration and observe the following output:

Apply complete! Resources: 2 added, 0 changed, 0 destroyed.