Simplifying DDoS Protection in Large Service Provider Networks

Distributed denial of service (DDoS) attacks pose a significant threat to service providers; they have the potential to bring down critical infrastructure and disrupt business operations. In today’s digital age, protecting against DDoS attacks is no longer a luxury. It’s a necessity.

However, implementing and managing effective DDoS protection solutions can be complex and costly, particularly for large service providers.

In the following, we will explore how to simplify DDoS protection for the networks of large service providers. I’ll discuss the challenges facing them and provide practical solutions to mitigate the risks of DDoS attacks.

The Challenges Of Protecting A Large Service Provider Network

Scale: Service providers typically operate large networks with multiple entry points. This makes it a challenge to identify and mitigate DDoS attacks across the entire infrastructure.

Complexity: DDoS attacks can come in various forms, and different types of attacks require different mitigation techniques. As a result, implementing effective DDoS protection requires specialized expertise and knowledge.

Cost: DDoS protection solutions can be expensive, and the cost of implementing and managing these solutions can add up quickly, particularly for service providers operating large networks.

Time-sensitive: DDoS attacks can happen at any time and without warning. So, service providers need to have fast response times to mitigate the attack before it causes significant damage.

Collaboration: Service providers often need to collaborate with other organizations — including upstream providers, peers and customers — to implement effective DDoS protection solutions. However, ensuring that everyone is on the same page and working towards a common goal can be challenging.

5 Strategies for Simplifying DDoS Protection for Service Provider Networks:

1. Implement a dedicated DDoS protection solution. One of the most effective ways to simplify DDoS protection is to implement a dedicated DDoS protection solution. This can help centralize DDoS mitigation and streamline the process of detecting and blocking DDoS attacks. Look for solutions that can be integrated into your existing network infrastructure and offer real-time monitoring and reporting to quickly identify and mitigate attacks. Non-dedicated DDoS solutions often have limited visibility into the network and may not be able to detect all types of DDoS attacks. In addition, it may produce false positives that can result in legitimate traffic being blocked.

2. Use behavioral protections instead of rate-limiting. Behavioral DDoS protection solutions can accurately distinguish between legitimate and malicious traffic. This is because they analyze the behavior of the traffic, rather than just the rate or volume. By doing so, they can identify and block attacks that may bypass rate-limiting protections. Behavioral DDoS protection is more scalable than rate-limiting because it does not place hard limits on the number of connections or packets per second. Instead, it can adapt dynamically to traffic patterns and adjust the thresholds based on the observed behavior. Behavioral DDoS protection can reduce false positives by analyzing traffic behavior and identifying legitimate traffic patterns, even if they exceed predefined rate limits.

3. Use BGP Flowspec. BGP Flowspec is a protocol that enables service providers to block DDoS traffic at the network edge using Border Gateway Protocol (BGP). This can help prevent DDoS traffic from entering your network and affecting your customers. Look for vendors that offer BGP Flowspec support to simplify the process of configuring and managing this feature. BGP Flowspec enables service providers to filter traffic based on specific criteria, such as source and destination IP addresses, protocol type or port number. This granular filtering capability allows service providers to target only the traffic that is part of the DDoS attack and block it while allowing legitimate traffic to continue to flow. BGP Flowspec is a cost-effective solution for DDoS protection because it uses existing network infrastructure and does not require additional hardware or software. This can significantly reduce the cost of implementing and managing DDoS protection solutions.

4. Use cloud DDoS protection services. Another option is to use cloud scrubbing services provided by a 3rd party vendor. These services can help offload the burden of DDoS protection from your internal teams and provide an additional layer of defense. Look for vendors that offer scrubbing centers that are geographically distributed; this can help minimize the impact of attacks on your network.

5. Automate DDoS protection. Finally, consider implementing automation to streamline the process of detecting and mitigating DDoS attacks. This can help reduce the workload on your internal teams and ensure that attacks are detected and mitigated quickly. DDoS attacks can be complex and come from multiple sources. This makes it difficult for human analysts to identify the attack vectors and take appropriate action. Look for solutions that offer automation features, such as auto-scaling, auto-remediation and auto-configuration.

Here’s the Best Solution

Radware’s Cyber Controller is simply the best service provider network security toolbox on the market. It allows service providers to create and manage a complete DDoS attack life-cycle orchestration using the following key capabilities:

  • Automation. You can automate many of the tasks involved in DDoS protection, such as alert triage, incident response and mitigation. This enables service providers to respond quickly and effectively to DDoS attacks. It reduces the risk of downtime and minimizes the impact on customers.
  • Integration. With Cyber Controller, you can integrate with a wide range of security tools, including DDoS protection solutions, network security devices and threat intelligence feeds. This integration enables service providers to orchestrate a unified response to DDoS attacks and leverage the strengths of different security tools to achieve better protection.
  • Centralization. You’ll enjoy a centralized platform for managing DDoS protection across the entire network infrastructure. This centralized view enables service providers to monitor the network in real time, identify potential threats and take appropriate action to mitigate them.
  • Customizations. Radware customers benefit from flexibility in configuring DDoS protection policies based on their specific needs. These solutions can be customized to suit the unique requirements of large service provider networks, such as differentiating between inbound and outbound traffic and applying different mitigation strategies based on the type and severity of the attack.
  • Cloud Overflow Protection. Radware’s unique, hybrid DDoS protection with both on-prem DDoS protection and cloud DDoS protection services allows service providers complete protection with a smaller on-prem footprint and a flexible way to grow and protect against ever-growing DDoS attacks.

For More Information

To learn more about Radware Cyber Controller, click here. And if you have questions about how Radware protects service providers from cyber threats, contact our tenured and talented security experts. They would love to hear from you.

If you’ll be attending the RSA Conference in San Francisco on April 24-27, make sure and stop by the Radware booth (#2139). Meet with our team of experts and take your cybersecurity to the next level. Better yet, you can set up an appointment with them here.

Idan Edry

Idan Edry is a product manager in Radware’s security group, responsible for orchestration and service provider solutions. Idan has over 15 years of experience in networking and security, network operations center (NOC), pre- and post-sale support and solution architecture. He is highly focused on delivering Radware customers product efficiency, a heightened customer experience (CX) and optimal levels of security.

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