NetVigil is a state-of-the-art network security middleware solution built with Go that provides comprehensive protection for web applications against modern cyber threats. This enterprise-grade security layer intelligently monitors, filters, and protects applications from malicious traffic in real-time.

Keywords: cybersecurity, web application firewall, API gateway, zero trust security, attack prevention, threat intelligence, traffic analysis, zero-day protection, edge security, DevSecOps, secure proxy

• Real-time DDoS Detection & Mitigation with adaptive thresholds
• Advanced Rate Limiting with per-IP/endpoint control
• Deep Request Validation & Sanitization
• SQL Injection Prevention with pattern recognition
• Cross-Site Scripting (XSS) Protection with content security policy
• API Abuse Prevention with behavioral analysis
• Custom Security Rule Engine with flexible policy definitions

• High-Performance Proxy Layer with minimal latency impact
• Redis-Backed Caching for optimized request handling
• Horizontal Scalability for enterprise deployments
• Containerized Architecture for cloud-native environments

• Comprehensive Metric Collection with Prometheus
• Real-time Visualization with Grafana dashboards
• Security Event Logging for forensic analysis
• Threat Intelligence Integration for proactive protection

NetVigil is architected as a modular, microservices-based system:

1. Go Security Middleware: High-performance request interception and security enforcement
2. Redis Cache: Distributed state management for rate limiting and session tracking
3. Prometheus & Grafana: Metrics collection and visualization for security insights
4. Next.js Dashboard: Modern UI for security monitoring and configuration

• Built with Go for maximum performance and efficiency
• Uses the Gin Web Framework for robust HTTP request handling
• Implements industry-standard security algorithms for threat detection
• Integrates with existing infrastructure via Docker and Kubernetes

NetVigil is built using modern technologies and best practices:

• Framework: High-performance Gin web framework for optimal request handling
• Concurrency: Advanced goroutine management for parallel request processing
• Memory Management: Optimized allocations for minimal GC overhead
• Networking: Custom TCP/IP optimizations for reduced latency
• Security Libraries: Industry-standard cryptographic implementations

• UI Framework: React with TypeScript for type-safe component development
• State Management: Redux for predictable application state
• Styling: Tailwind CSS for responsive and consistent design
• Data Visualization: D3.js and Chart.js for interactive security metrics
• API Communication: Axios with request interceptors for secured endpoints

• Redis: Optimized key-value storage patterns for rate limiting and session management
• Prometheus: Custom metric collection with appropriate cardinality control
• Logging: Structured JSON logging with contextual security metadata

• DDoS Protection: Statistical analysis with sliding window counters
• SQL Injection Defense: Regex pattern matching and tokenization analysis
• XSS Prevention: HTML sanitization and content security policy enforcement
• Rate Limiting: Token bucket algorithm with distributed counter synchronization

NetVigil has been rigorously tested to ensure minimal performance impact while maintaining maximum security:

Tests performed on AWS c5.2xlarge instance with 8 vCPUs and 16GB RAM

# NPM Installation
npm install netvigil --save

# Yarn Installation
yarn add netvigil

# Go Installation
go get github.com/yourusername/netvigil

# Pull the official NetVigil image
docker pull yourusername/netvigil:latest

# Run with basic configuration
docker run -p 8080:8080 -p 3001:3001 \
  -e TARGET_URL=http://your-app:3000 \
  -e REDIS_URL=redis://redis:6379 \
  yourusername/netvigil:latest

# Start all components with Docker Compose
docker-compose up -d

NetVigil provides extensive configuration options:

const securityConfig = {
  rateLimit: true,         // Enable rate limiting
  ddosProtection: true,    // Enable DDoS protection
  requestValidation: true, // Enable request validation
  sqlInjection: true,      // Enable SQL injection protection
  xssProtection: true      // Enable XSS protection
};

NetVigil provides extensive configuration options for tailoring security to your specific needs:

// JavaScript/Node.js Configuration
const NetVigil = require('netvigil');

const securityMiddleware = new NetVigil({
  // Essential settings
  port: 8080,
  targetUrl: 'http://localhost:3000',
  
  // Security features
  security: {
    rateLimit: {
      enabled: true,
      requestsPerMinute: 120,
      burstAllowance: 20
    },
    ddosProtection: {
      enabled: true,
      sensitivityLevel: 'medium', // 'low', 'medium', 'high'
      autoBlockThreshold: 500
    },
    requestValidation: {
      enabled: true,
      maxBodySize: '2mb',
      allowedMethods: ['GET', 'POST', 'PUT', 'DELETE'],
      contentTypeValidation: true
    },
    sqlInjection: {
      enabled: true,
      blockOnDetection: true,
      logDetectionOnly: false
    },
    xssProtection: {
      enabled: true,
      enableCSP: true,
      sanitizeInput: true
    }
  },
  
  // Infrastructure settings
  redis: {
    url: 'redis://localhost:6379',
    prefix: 'netvigil:',
    connectionPoolSize: 10
  },
  
  // Observability
  metrics: {
    prometheusEnabled: true,
    detailedLogging: true,
    logLevel: 'info', // 'debug', 'info', 'warn', 'error'
    logFormat: 'json'
  },
  
  // Dashboard
  dashboard: {
    enabled: true,
    port: 3001,
    restrictedIps: ['127.0.0.1']
  }
});

// Start the middleware
securityMiddleware.start();

NetVigil provides a comprehensive dashboard for real-time monitoring and analysis:

• Traffic Visualization: Request volume, patterns, and anomalies
• Threat Intelligence: Active attack vectors and blocked requests
• Performance Impact: Latency and throughput statistics
• Resource Utilization: CPU, memory, and network usage

• Configurable Thresholds: Set custom alert triggers
• Multiple Channels: Email, Slack, PagerDuty integration
• Alert Aggregation: Smart grouping to prevent alert fatigue
• Incident Response Workflows: Predefined action plans for security events

• Security Posture Assessment: Overall security health score
• Attack Surface Analysis: Vulnerability mapping and risk assessment
• Compliance Reporting: SOC 2, GDPR, and PCI DSS ready reports
• Trend Analysis: Long-term security patterns and emerging threats

NetVigil is ideal for a variety of security scenarios:

Protect customer data and payment processes with PCI DSS compliant security layers that defend against common e-commerce attack vectors.

Secure your API ecosystem with fine-grained access control, request validation, and traffic management for internal and external services.

Implement defense-in-depth security for banking and financial applications with fraud detection and regulatory compliance features.

Shield multi-tenant SaaS applications with tenant isolation and customized security policies per customer requirements.

# Clone the repository
git clone https://github.com/yourusername/netvigil.git
cd netvigil

# Install dependencies
make setup

# Run in development mode
make dev

# Run tests
make test

# Build for production
make build

netvigil/
├── cmd/                    # Command-line entry points
│   └── server/             # Main server application
├── internal/               # Private application code
│   ├── middleware/         # Security middleware components
│   ├── monitoring/         # Metrics and health checks
│   └── security/           # Core security implementations
├── pkg/                    # Public library code
│   ├── cache/              # Caching implementations
│   ├── config/             # Configuration management
│   └── utils/              # Shared utilities
├── dashboard/              # Next.js dashboard application
├── deployments/            # Deployment configurations
├── integration/            # Integration tests
├── docs/                   # Documentation
├── Makefile                # Build and development commands
├── docker-compose.yml      # Local development setup
└── go.mod                  # Go module definition

NetVigil is released under the MIT License. See the LICENSE file for details.

NetVigil was built with the help of these amazing open-source projects:

• Gin Web Framework
• Go Redis
• Prometheus Client Go
• Zap Logger
• Viper
• Next.js
• React
• Tailwind CSS

NetVigil - Securing Digital Infrastructure with Advanced Threat Protection