Functionality and Usage of Azure DDoS Protection - AZ-900 Certification Course

TL;DR

Learn about the different types of DDoS attacks, the basic DDoS protection in Azure, and the enhanced features of the standard DDoS protection plan.

Transcript

in this lesson we're going to explore the functionality and usage of azure distributed denial of service protection there are many many different types of distributed denial of service attack these are basically designed to take down your service now they use different methods there are things where i might use a volumetric i.e i'm just going to bo... Read More

Key Insights

• 🔒 Azure distributed denial of service (DDoS) protection is designed to defend against various types of attacks that aim to bring down a service, such as volumetric, protocol-level, and application attacks.
• 💡 The basic DDoS protection provided by Azure is focused on safeguarding the Azure fabric against large-scale attacks, rather than protecting individual resources. Its thresholds cannot be modified, and there is limited insight and control available.
• 💰 To enhance protection for individual resources, users can create a standard DDoS protection plan and link it to their virtual networks. This paid plan offers adaptive tuning, rich reporting, detailed metrics, Azure Monitor alerts, action rules, and rapid response from human experts during attacks.
• 🌐 Resources within a virtual network that use public IPs can be linked to the standard DDoS protection plan, which can be applied to multiple virtual networks across multiple subscriptions.
• ⚙️ With the standard plan, users receive availability guarantees, cost protections, migration policies, and flow logs. The plan also learns normal application behavior through machine learning and offers credits for insufficient protection during an attack.
• 💯 The standard DDoS protection plan covers up to 100 public IPs, and additional costs apply for resources exceeding that limit.
• 🔓 Resources that do not exist within a virtual network cannot be protected by the standard plan. The basic protection, which covers all public-facing Azure resources, is the only option for such resources.
• 🔁 A single standard DDoS protection plan can be used across multiple subscriptions and linked to multiple virtual networks, providing centralized and comprehensive protection.

Questions & Answers

Q: What are the different types of DDoS attacks mentioned in the lesson?

The lesson discusses three main types of DDoS attacks: volumetric attacks, protocol-level attacks, and application-based attacks. Volumetric attacks involve overwhelming a service with a high volume of traffic, while protocol-level attacks target specific protocols by exhausting their resources. Application-based attacks exploit weaknesses in an application to make it unavailable to users.

Q: What is the purpose of the basic DDoS protection in Azure?

The basic DDoS protection is focused on safeguarding the Azure fabric from large-scale DDoS attacks. It is not customizable and does not provide insights or metrics. Its primary function is to protect the availability of Azure resources.

Q: How can users enhance their DDoS protection in Azure?

Users can purchase the standard DDoS protection plan and link it to their virtual network. This plan offers adaptive tuning, rich reporting, metrics, alerts, and rapid response support. It provides greater insight into the normal interactions of an application and gives users the ability to take proactive measures against DDoS attacks.

Q: Can the standard DDoS protection plan be applied to multiple virtual networks?

Yes, a single standard DDoS protection plan can be linked to multiple virtual networks across different subscriptions. This allows users to extend the enhanced protection to multiple resources within their infrastructure.

Q: What benefits does the standard DDoS protection plan offer over the basic protection?

The standard DDoS protection plan provides availability guarantees, cost protections, migration policies tuned to the customer's application, metrics, alerts, reports, flow logs, and rapid response support. It offers a more tailored and comprehensive protection solution compared to the basic protection.

Summary & Key Takeaways

• DDoS attacks come in various forms, including volumetric, protocol-level, and application-based attacks.

• Azure provides basic DDoS protection for all public-facing resources, designed to protect the Azure fabric.

• By purchasing the standard DDoS protection plan and linking it to a virtual network, users can benefit from adaptive tuning, rich reporting, metrics, alerts, and rapid response support.