Introduction

Blocks access to DNS servers for a specific duration.

Prerequisites

If you are not using our container images for the extension, you need install the tc (from the iproute2 package) tool to use the attack.

Use Cases

• Understand how your services behave under dns outages or failures
• Simulate a DDoS attack on your DNS servers
• Maintenance of the authoritative name servers
• Simulate Bad configuration of DNS servers

Links

• Simulate DNS Outages with Steadybit

Parameters

Parameter	Description	Default
Duration	How long should the DNS traffic be blocked?	30s
DNS Port	DNS port number	53