features.md

CrystalDM Features

CrystalDM is an advanced DDoS Mitigation System specifically designed for Growtopia Private Servers (GTPS). This document provides a comprehensive overview of its features and functionalities.

Table of Contents

1. Core Features
2. Security Modules
3. Monitoring and Logging
4. Integration
5. Performance
6. Feature Showcase

Core Features

1. Real-time Protection

CrystalDM provides instant protection against DDoS attacks, ensuring your GTPS remains operational under heavy traffic.

2. High Performance

Optimized for minimal impact on server resources, allowing your GTPS to run smoothly even with protection active.

3. Easy Configuration

Simple JSON-based configuration file for easy setup and customization.

Security Modules

1. Client Management

• Tracks and manages client connections
• Implements connection limits per IP

2. HTTPS Redirect

• Automatically redirects HTTP traffic to HTTPS
• Enhances overall security of the server

3. Geo Ban

• Allows blocking or allowing traffic based on geographical location
• Customizable country whitelist and blacklist

4. Auto Blacklist

• Automatically blacklists IPs that show malicious behavior
• Configurable thresholds for blacklisting

5. Rate Limiter

• Limits the number of requests from a single IP within a specified time frame
• Prevents abuse and brute force attacks

6. Web Application Firewall (WAF)

• Inspects incoming traffic for common web attack patterns
• Blocks malicious requests before they reach the server

7. IP Reputation Check

• Checks incoming IP addresses against known malicious IP databases
• Blocks traffic from IPs with poor reputation scores

8. Adaptive Rate Limiter

• Dynamically adjusts rate limits based on server load and traffic patterns
• Provides more flexible protection during varying traffic conditions

9. Under Attack Mode

• Activates stricter security measures during detected attack periods
• Includes challenge-response tests for clients to prove legitimacy

Monitoring and Logging

1. Real-time Server Monitoring

• Provides a web interface for monitoring server performance
• Displays CPU usage, memory usage, network traffic, and more

2. Comprehensive Logging

• Detailed logs of all security events and server activities
• Helps in post-attack analysis and system optimization

3. Error Handling

• Robust error catching and logging mechanism
• Provides detailed information for troubleshooting

Integration

1. Discord Webhook Integration

• Sends real-time alerts to a Discord channel
• Notifies server admins about attacks and important events

2. GTPS Cache Serving

• Efficiently serves GTPS cache files
• Optimizes game data delivery to clients

Performance

1. Load Balancing

• Distributes incoming traffic across multiple server instances
• Improves overall system performance and reliability

2. Caching

• Implements intelligent caching mechanisms
• Reduces server load and improves response times

Feature Showcase

Main Program Interface

The main interface of CrystalDM, showing real-time server statistics and security status.

GTPS Cache File Serving

CrystalDM efficiently serving GTPS cache files to clients, ensuring smooth gameplay.

Detailed 404 Error Logging

Comprehensive logging of 404 errors, providing valuable information for debugging and optimization.

Auto-Blacklisting DDoS Attacker

CrystalDM automatically detecting and blacklisting an IP address involved in a DDoS attack.

Blacklisted IP Attempt

The response when a blacklisted IP attempts to access the web interface.

Discord Webhook Alert

An automatic alert sent to Discord, notifying admins of an ongoing attack.

These features work in concert to provide a robust, efficient, and user-friendly DDoS mitigation solution for GTPS. CrystalDM's modular design allows for easy updates and additions of new features in the future.

Community

Join our community to get support, share experiences, and stay updated on the latest developments:

Stay connected with the CrystalDM community and get real-time updates, support, and engage with other users!