Azure DDoS Protection : Overview
A DDoS attack is a malicious attempt to interrupt the regular operation of a targeted server, service, or network by overloading it with a large volume of internet traffic from various sources.
Azure DDoS Protection is a service that helps to defend Azure resources from DDoS attacks. It detects, mitigates, and stops DDoS attacks, ensuring that Azure-hosted applications and services remain available and perform well. Azure DDoS Protection is a critical component of Azure security, protecting the cloud infrastructure from disruptive cyber attacks.
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Topics covered in this blog are:
- Introduction to DDoS Attack
- Azure DDoS protection
- Azure DDoS Protection Tiers
- Azure DDoS protection Features
- Steps to create DDoS protection in Azure Portal
- Conclusion
- Frequently Asked Questions
Introduction to DDoS Attack
A Distributed Denial of Service (DDoS) attack is a malicious effort to interrupt regular traffic to a specific server, service, or network by flooding it with internet traffic from many sources. These assaults are carried out via an attacker-controlled network of hacked computers or devices, often known as a botnet.
A DDoS assault aims to render the targeted system or network inaccessible to its intended users, resulting in downtime, financial losses, and reputational harm to the victim. Several approaches, including amplification assaults, SYN floods, and HTTP floods, are used to create huge amounts of traffic and deplete the target’s resources.
Azure DDoS protection
Azure DDoS Protection is a service that protects Azure resources from distributed denial-of-service (DDoS) assaults. It runs at the Azure network edge, automatically detecting and mitigating DDoS assaults to ensure Azure service availability even during large-scale attacks. Azure DDoS Protection offers continuous monitoring and real-time mitigation, harnessing the size and flexibility of the Azure global network to absorb and mitigate DDoS assaults before they affect client workloads.
Azure DDoS Protection Tiers
Azure DDoS security provides two tiers of security to protect your resources from denial-of-service attacks: DDoS IP Protection and DDoS Network Protection.
DDoS IP protection
This tier protects particular Azure resources, such as virtual machines and web applications. It analyses traffic patterns particular to the protected IP addresses and automatically mitigates threats to those resources.
DDoS Network Protection
This tier protects your whole virtual network. It analyses network traffic and detects malicious DDoS assaults before they reach your particular resources. This provides more comprehensive protection for all resources in the virtual network.
Azure DDoS Protection Comparison
| Feature | DDoS IP Protection | DDoS Network Protection |
|---|---|---|
| Active traffic monitoring & always-on detection | Yes | Yes |
| L3/L4 Automatic attack mitigation | Yes | Yes |
| Automatic attack mitigation | Yes | Yes |
| Application-based mitigation policies | Yes | Yes |
| Metrics & alerts | Yes | Yes |
| Mitigation reports | Yes | Yes |
| Mitigation flow logs | Yes | Yes |
| Mitigation policies tuned to customer’s application | Yes | Yes |
| Integration with Firewall Manager | Yes | Yes |
| Microsoft Sentinel data connector and workbook | Yes | Yes |
| Protection of resources across subscriptions in a tenant | Yes | Yes |
| Public IP Standard tier protection | Yes | Yes |
| Public IP Basic tier protection | No | Yes |
| DDoS rapid response support | Not available | Yes |
| Cost protection | Not available | Yes |
| WAF discount | Not available | Yes |
| Price | Per protected IP | Per 100 protected IP addresses |
Azure DDoS protection Features
- Always-on Traffic Monitoring: Continuously analyses traffic patterns for unusual behavior, which aids in detecting DDoS assaults before they impair service.
- Automatic Attack Mitigation: Detects and mitigates DDoS assaults without operator intervention, resulting in minimum disruption during an attack.
- Multi-layered security: Provides security at Layers 3 (network) and 4 (transport) of the OSI model, protecting against common DDoS assaults such as volumetric and SYN floods.
- Scaling to Address Threats: Scales automatically to fight DDoS assaults of any magnitude, maintaining service uptime while minimizing the effect on genuine users.
- Cost Guarantee: Receive service credit for proven DDoS attack resource charges, ensuring financial security throughout an assault.
Native Integration: A seamless setup experience via the Azure portal that simplifies deployment and administration. - Turnkey Protection: Provides immediate protection for virtual networks and public IP resources upon activation, ensuring that your resources are protected from the time you activate protection.
- Advanced Analytics: Machine learning customizes mitigation rules for each protected IP address, maximizing resource utilization and assuring timely attack response.
Steps to create DDoS protection in Azure Portal
1.Login into your Azure account
2.Search DDoS Protection in search bar & Click on it .
3. Click on Create.
4. Enter or select the following values.
5.Click Create once validation is passed.
6.Click on Go to Resource, your DDoS Protection is created.
Conclusion
In conclusion, Azure DDoS Protection provides a comprehensive solution for protecting Azure resources from distributed denial-of-service (DDoS) assaults. Azure DDoS Protection uses advanced mitigation algorithms, real-time monitoring, and interaction with other Azure services to successfully identify and neutralize DDoS assaults. Organizations may improve the resilience of their cloud infrastructure, assure continuous service availability, and reduce the effect of DDoS assaults on their business operations by utilizing Azure DDoS Protection.
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