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CDNetworks Application Shield vs Tempesta FW

CDNetworks Application Shield and Tempesta FW take different approaches to web application security. Consider your team's expertise and infrastructure preferences when evaluating these options.

View CDNetworks Application Shield Review View Tempesta FW Review

CDNetworks Application Shield and Tempesta FW take fundamentally different approaches to web application security. Understanding your infrastructure and team capabilities will help determine which approach fits your needs.

Overview

CDNetworks Application Shield and Tempesta FW are both popular web application firewall solutions. This comparison will help you understand the key differences and choose the right one for your needs.

Cloud-based WAF integrated with CDNetworks' global CDN, offering signature-based threat detection, DDoS protection, and bot management across 1,500+ points of presence worldwide.

High-performance open-source WAF and web accelerator built directly into the Linux kernel, delivering up to 1.8M requests per second with integrated L3-L7 DDoS protection and automated bot mitigation via WebShield.

Quick Comparison

Feature CDNetworks Application Shield Tempesta FW
Overall Rating 3.7/5 4.0/5
Free Tier No Yes
Pricing Model Custom pricing, usage-based Free (open source) + professional services
Ease of Use 3.5/5 2.5/5
Value for Money 3.5/5 4.8/5
Support 3.8/5 3.0/5
Open Source No Yes
Platforms Any web application, cloud-hosted sites, on-premises origins Linux (kernel-level integration), bare metal, cloud VMs
Compliance PCI DSS, ISO 27001, SOC 2 Contact vendor

Pricing Comparison

CDNetworks Application Shield

Model: Custom pricing, usage-based

Application Shield Standard

Custom pricing

Application Shield Advanced

Custom pricing

View full pricing →

Tempesta FW

Model: Free (open source) + professional services

Free Tier Available

Open Source

Free

Professional Services

Contact for pricing

View full pricing →

Features Comparison

CDNetworks Application Shield

  • Edge-Based WAF

    WAF filtering at 1,500+ global edge locations for low-latency protection close to end users.

  • DDoS Protection

    Multi-layer DDoS mitigation covering network (L3/L4) and application (L7) layer attacks.

  • Bot Management

    Identify and manage automated traffic including scrapers, credential stuffers, and inventory hoarders.

  • API Protection

    Secure APIs against abuse, injection attacks, and unauthorized access with dedicated API security rules.

  • Virtual Patching

    Quickly mitigate known vulnerabilities without modifying application code.

  • Real-Time Analytics

    Comprehensive dashboards showing attack trends, blocked requests, and traffic patterns.

Tempesta FW

  • Kernel-Level Performance

    Built directly into Linux TCP/IP stack, processing up to 1.8M HTTP requests per second - 3x faster than Nginx or HAProxy.

  • Multi-Layer DDoS Protection

    Integrated protection against volumetric and application-layer DDoS attacks with rate limiting, JavaScript challenges, and adaptive QoS.

  • HTTP Tables

    Extends Linux iptables/nftables for application-layer filtering, enabling rules that combine IP addresses with HTTP headers and content.

  • Intelligent Load Balancing

    Machine learning-powered load balancing with persistent sessions, weighted round-robin, and rendezvous hashing strategies.

  • Web Acceleration

    Built-in caching using Tempesta DB, an ultra-fast in-memory database with NUMA-aware distribution and SIMD optimizations.

  • High-Performance TLS

    Tempesta TLS is 40-80% faster than Nginx/OpenSSL with 4x lower latency for TLS handshakes.

  • Bot Protection (WebShield)

    Open-source automated bot protection via WebShield — detects and blocks DDoS bots, scrapers, shopping bots, and booking bots using TLS and HTTP fingerprint analysis on access logs stored in ClickHouse.

  • Volumetric DDoS Protection

    Upcoming open-source volumetric DDoS protection solution, completing a full L3-L7 DDoS and bot mitigation stack when combined with Tempesta FW's application-layer defences and WebShield.

  • Native XDP Integration

    Uses Linux XDP (eXpress Data Path) for early packet dropping, enabling efficient mitigation of volumetric attacks.

Which One Is Right for You?

The best WAF depends on your specific requirements, infrastructure, and team expertise.

CDNetworks Application Shield

  • You need: Businesses with significant Asian traffic, organizations needing combined CDN and WAF, enterprises targeting China market
  • You're using: Any web application, cloud-hosted sites, on-premises origins
Learn more →

Tempesta FW

  • You need: High-traffic sites requiring maximum performance, organizations with Linux expertise, teams wanting to replace multiple infrastructure components, performance-critical applications
  • You want to start with a free tier
  • You prefer open-source solutions
  • You're using: Linux (kernel-level integration), bare metal, cloud VMs
Learn more →

We recommend evaluating both options with a trial or free tier before committing. Consider your existing infrastructure, team expertise, compliance requirements, and budget.

Frequently Asked Questions

Which is better for startups: CDNetworks Application Shield or Tempesta FW?

Tempesta FW offers a free tier while CDNetworks Application Shield does not, making Tempesta FW more accessible for budget-conscious startups. CDNetworks Application Shield scores higher for ease of use (3.5/5), which is valuable for smaller teams. Consider your immediate security needs and growth plans when choosing.

Which has better support: CDNetworks Application Shield or Tempesta FW?

CDNetworks Application Shield has a higher support rating (3.8/5) compared to Tempesta FW (3.0/5). However, support quality can vary based on your plan tier - enterprise customers typically receive more responsive support from both providers. Consider evaluating support during a trial period.

Which is easier to implement: CDNetworks Application Shield or Tempesta FW?

CDNetworks Application Shield scores higher for ease of use (3.5/5) versus Tempesta FW (2.5/5). The actual implementation effort depends on your existing infrastructure and team expertise.

Which is more cost-effective: CDNetworks Application Shield or Tempesta FW?

Tempesta FW offers a free tier while CDNetworks Application Shield requires a paid plan. Tempesta FW scores higher for value (4.8/5). Total cost depends on your traffic volume, required features, and support level needs.

Which is better for enterprise: CDNetworks Application Shield or Tempesta FW?

CDNetworks Application Shield is positioned for enterprise use cases, while Tempesta FW may be more suited for small to mid-market organizations. Both offer compliance certifications important for enterprise. Enterprise buyers should evaluate SLAs, support options, and integration capabilities.