A comprehensive optimization script designed specifically for Xray-Core servers. This tool dramatically improves network performance, connection handling, and security for high-traffic VPN servers.
This optimizer addresses critical performance bottlenecks in Linux servers running Xray-Core:
- Unlimited Connection Handling - Increase open file limits to support hundreds of millions of simultaneous connections
- Process-Level File Handling - Boost per-process file limits to tens of millions
- Enhanced Monitoring Capabilities - Optimize inotify watchable directories for better system monitoring
- Smart Queue Management - Implement advanced queuing algorithms for reduced latency and fair bandwidth distribution
- Packet Processing Optimization - Prevent buffer overflows and packet loss during traffic spikes
- Socket Memory Management - Enhance proxy and encrypted tunnel performance with optimized socket options
- Connection Queue Handling - Better management of bursty traffic patterns
- Adaptive Buffer Sizing - Optimal performance in high-latency network environments
Click to expand TCP optimizations
- Dynamic Buffer Management - Automatic adaptation to varying network conditions
- Advanced Congestion Control - Increased speeds on restricted internet connections using BBR
- Fast Connection Establishment - Reduced initial connection times with TCP Fast Open
- Optimized Timeout Handling - Faster system resource recovery
- Connection Persistence - Stable connectivity in unstable networks
- Orphaned Connection Management - Prevention of memory leaks
- SYN Attack Protection - Enhanced security for public-facing servers
- Waiting Socket Management - Better performance with frequent connections
- Intelligent Memory Allocation - Optimal resource distribution
- Automatic MTU Discovery - Reduced packet fragmentation
- Send Threshold Optimization - Improved responsiveness for interactive applications
- Retry Tuning - Faster recovery from network issues
- Selective Acknowledgment - Improved performance in lossy networks
- Quick Restart After Idle - Enhanced intermittent connection performance
- Window Scaling - Better performance in international networks
- Congestion Signaling - Intelligent traffic management
- Advanced Protection - Enhanced security against network attacks
- Socket Reuse - Increased efficiency with multiple connections
- System Latency Reduction - Improved user experience
- Packet Acknowledgment Optimization - Better responsiveness in interactive traffic
- Timeout Management - Enhanced performance in low-bandwidth scenarios
- Advanced Memory Management - Critical for QUIC protocols in Xray
- Guaranteed Free Memory - Prevention of out-of-memory errors
- Intelligent Swap Usage - Prioritization of RAM over swap space
- Cache Management - Optimal memory space recovery
- I/O Write Optimization - Enhanced input/output performance
- Memory Allocation Management - Prevention of resource shortage issues
Security is not just a feature, it's a foundation. Our optimizations protect while they perform.
- Path Filtering - Appropriate settings for VPN services
- Source Routing Control - Enhanced network security
- Advanced ARP Management - Optimized for high-connection networks
- Address Announcement Improvement - Better performance in multi-network environments
- Optimized IP Forwarding - Essential for VPN functionality
- Advanced Device Support - Important for BGP configurations
- System Error Management - Rapid recovery in critical conditions
- Advanced Scheduling - Optimal processing resource allocation
- NUMA Optimization - Increased system efficiency
- IPC Limit Expansion - Support for powerful applications
sudo bash <(curl -s https://raw.githubusercontent.com/FReak4L/xray-tuning/refs/heads/main/tune.sh)This script automatically:
- Installs the XanMod kernel for improved network performance
- Configures sysctl parameters for optimal Xray-Core operation
- Sets up proper file descriptor limits
- Optimizes SSH for better connection handling
- Configures firewall rules for common VPN ports
- Creates an optimized swap file
| Metric | Before Optimization | After Optimization |
|---|---|---|
| Max Connections | ~10,000 | 1,000,000+ |
| Connection Latency | 200-300ms | 50-100ms |
| Packet Loss | 5-10% | <1% |
| Connection Recovery | Slow | Immediate |
| Server Load Under Pressure | High | Moderate |
- Xray-Core server administrators
- VPN service providers
- High-traffic proxy operators
- Anyone experiencing network performance issues with Xray
For more tools, tips, and updates, join our Telegram channel: @NotePadVPN
Original code source: Linux-Optimizer
Supercharge your Xray-Core server today!
@NotePadVPN