Create a Vultr Firewall group to hold IPv4 and IPv6 rules that let specific ports and sources reach your instances.
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.
A Vultr Firewall group must contain at least one rule before it is enforced. Until you add a rule, the group does not drop inbound traffic to its attached instances, even though the default Drop rule is listed. Add at least one rule to the group to start filtering inbound traffic.
Follow this guide to create a Vultr Firewall group and add a rule using the Vultr Console, the Vultr API, the Vultr CLI, or Terraform.
Log in to the Vultr Console.
Navigate to Network and click Firewall Groups.
Click Create Firewall Group.
Enter a name for the firewall group in the Name field.
Click Add Firewall Group.
The firewall group is created and appears in the Firewall Groups list.
Click the name of the firewall group to open its management page.
Click Add Rule in the Inbound IPv4 Rules section.
Enter the rule details and save the rule.
Verify that the rule appears in the Inbound IPv4 Rules list and that Group Rules shows at least 1.
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