Empowering Resilient Networks with Nexusguard’s TCP Connection Flood Protection

Nexusguard
February 11, 2025
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In today’s digital landscape, ensuring service continuity is paramount, especially in the face of increasingly sophisticated cyber threats. Introducing Nexusguard’s TCP Connection Flood Protection - an innovative feature that redefines network resilience and fortifies your defenses against TCP connection flood attacks.

What Sets Us Apart?

While many cybersecurity solutions offer basic flood protection, Nexusguard takes it a step further. Our TCP Connection Flood Filter is uniquely designed for our Origin Protection (OP) service, strengthening organizations with leading-edge technology that operates seamlessly within a stateless mitigation environment. This means you get robust protection without the complexity.

Why TCP Connection Flood Attacks Matter

TCP connection flood attacks target the very essence of network communication, aiming to exhaust system resources and exploit vulnerabilities. Unlike traditional volumetric attacks that simply overwhelm bandwidth, these sophisticated threats can bring your services to a standstill, making them a potent weapon in the hands of cybercriminals.

The Challenge of Stateless Mitigation

Many solutions still rely on stateless mitigation, which struggles with the contextual awareness needed to effectively combat TCP connection floods. This often leads to scalability issues, leaving organizations vulnerable. But with Nexusguard, you can turn the tide.

Introducing TCP Connection Flood Filter

Our TCP Connection Flood Filter is a game changer. With proprietary technology and intelligent algorithms, this feature proactively defends against TCP connection floods by monitoring and controlling essential aspects of connection management, including:

  1. Connection Request Rate: Keep tabs on the rate of new connection requests from any single source IP.
  2. Half-Open Connections: Manage the number of half-open connections to prevent resource depletion.
  3. Idle Connections: Track idle connections to identify potential threats.
  4. Malicious Window Size Detection: Spot and mitigate any malicious adjustments made by a source IP.
  5. Destination IP Regulation: Control the connection request rate to your destination IPs, ensuring stability.

Figure 1 - TCP Connection Flood Filter Rules

Tailored Protection at Your Fingertips

What makes our solution even more compelling is the flexibility it offers. Policy administrators can easily configure the filter to meet their unique needs:

  1. Source Blocking: Instantly block malicious IP addresses, ensuring your server remains protected against further attempts at disruption.
  2. Rate Limiting: Set limits on connection requests from a single source IP within a specified timeframe to throttle potential floods.

Uninterrupted Access for Legitimate Users

With the TCP Connection Flood Filter, you’re not just implementing security measures; you’re establishing an impenetrable shield around your server resources. By actively monitoring and controlling the flow of TCP connections, Nexusguard ensures that legitimate users can access essential services without interruption, even in the face of targeted attacks.

Figure 2 - HTTP Filter List

Nexusguard’s TCP Connection Flood Protection is more than just a feature; it’s a vital component of a resilient network strategy. Protect your organization from the evolving landscape of cyber threats and ensure service continuity with our advanced solution. Experience peace of mind knowing that your network is equipped to withstand TCP connection flood attacks, allowing you to focus on what matters most - serving your customers.

To learn more about Nexusguard's Origin Protection service, click here, or connect with one of our experienced professionals by clicking here.

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