# hysteria | Aperture Internet Laboratory | Knowledge Base | Instagit

Hysteria is a powerful, lightning fast and censorship resistant proxy.

GitHub Stars: 20.4k

Repository: https://github.com/apernet/hysteria

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## Articles

### [Hysteria Core Logging Options: EventLogger and TrafficLogger Explained](/apernet/hysteria/what-logging-options-are-available-in-hysteria-core)

Explore Hysteria core logging options EventLogger and TrafficLogger to monitor server activity. Implement Go interfaces for connection events and traffic statistics.

- Tags: deep-dive
- Published: 2026-05-13

### [How to Update Hysteria Core to the Latest Version: 3 Methods Explained](/apernet/hysteria/how-to-update-hysteria-core-to-the-latest-version)

Keep Hysteria core updated to the latest version with these 3 methods: check update command, automatic checks, or the official install script. Ensure optimal performance and security.

- Tags: how-to-guide
- Published: 2026-05-13

### [Limitations of Hysteria Core: 8 Architectural Constraints in the `core/` Package](/apernet/hysteria/what-are-the-limitations-of-hysteria-core)

Discover Hysteria 2 core architectural constraints. Learn about limitations in UDP visibility, bandwidth controls, config changes, and QUIC tunability requiring custom solutions.

- Tags: architecture
- Published: 2026-05-13

### [How to Configure Hysteria Core for UDP Traffic: Server and Client Settings](/apernet/hysteria/how-to-configure-hysteria-core-for-udp-traffic)

Learn to configure Hysteria core for UDP traffic. Discover essential server and client settings to optimize your UDP connections and improve performance. Get started now.

- Tags: how-to-guide
- Published: 2026-05-13

### [Hysteria Core Use Cases: 9 Ideal Scenarios for High-Performance QUIC Proxy](/apernet/hysteria/what-use-cases-are-ideal-for-hysteria-core)

Explore Hysteria core use cases for high-performance QUIC proxy. Discover scenarios for censorship resistance, low-latency, and unified TCP/UDP transport in embedded Go apps.

- Tags: use-cases
- Published: 2026-05-13

### [How to Build Hysteria Core from Source: A Complete Developer Guide](/apernet/hysteria/how-to-build-hysteria-core-from-source)

Learn to build Hysteria core from source using hyperbole.py for cross-platform compilation or go build for single-platform binaries. Get detailed developer instructions now.

- Tags: how-to-guide
- Published: 2026-05-13

### [Architecture of Hysteria Core: How the QUIC-Based Proxy Stack Works](/apernet/hysteria/what-is-the-architecture-of-hysteria-core)

Explore the architecture of Hysteria core, a QUIC-based proxy stack. Understand its modular design, custom auth, congestion control, and proxy logic in depth.

- Tags: architecture
- Published: 2026-05-13

### [Is Hysteria Core Open-Source and How to Contribute to the Project](/apernet/hysteria/is-hysteria-core-open-source-and-how-to-contribute)

Discover Hysteria core is open-source under MIT license. Learn how to contribute to the apernet/hysteria project by submitting GitHub pull requests and joining the community.

- Tags: faq
- Published: 2026-05-13

### [How Hysteria Core Handles Concurrent Connections: QUIC, Goroutines, and Session Management](/apernet/hysteria/how-does-hysteria-core-handle-concurrent-connections)

Explore how Hysteria core manages concurrent connections using QUIC, goroutines, and session management. Learn about its layered architecture and state protection.

- Tags: internals
- Published: 2026-05-13

### [What Are the Dependencies of the Hysteria Core Module?](/apernet/hysteria/what-are-the-dependencies-of-the-hysteria-core-module)

Discover the direct and indirect dependencies of the Hysteria core module. Explore its reliance on custom QUIC, rate limiting, cryptography, and testing utilities.

- Tags: internals
- Published: 2026-05-13

### [How to Optimize Hysteria Core for High-Latency Networks: BBR Tuning and QUIC Window Sizing](/apernet/hysteria/how-to-optimize-hysteria-core-for-high-latency-networks)

Optimize Hysteria core for high-latency networks. Tune BBR congestion control and increase QUIC window sizes to boost performance on long RTT links.

- Tags: performance
- Published: 2026-05-13

### [Best Practices for Configuring Hysteria Core: Production Deployment Guide](/apernet/hysteria/what-are-the-best-practices-for-configuring-hysteria-core)

Learn best practices for configuring Hysteria core for production deployment. Secure your deployment with TLS certificates and reliable authentication.

- Tags: best-practices
- Published: 2026-05-13

### [How to Monitor Hysteria Core Module Resource Usage Using Go pprof](/apernet/hysteria/how-to-monitor-hysteria-core-modules-resource-usage)

Monitor Hysteria core module resource usage with Go pprof. Compile with the pprof tag to enable HTTP endpoint and inspect CPU memory and goroutine metrics easily.

- Tags: how-to-guide
- Published: 2026-05-13

### [Security Implications of Hysteria Core’s Internal Implementation: QUIC, TLS, and Authentication Risks](/apernet/hysteria/what-are-the-security-implications-of-hysteria-cores-internal-implementation)

Explore the security implications of Hysteria core's QUIC and TLS implementation. Discover risks from insecure defaults and learn how to harden your setup.

- Tags: deep-dive
- Published: 2026-05-13

### [How to Integrate Hysteria Core with Existing Go Applications](/apernet/hysteria/how-to-integrate-hysteria-core-with-existing-applications)

Easily integrate Hysteria core into your Go applications. Import client and server packages, configure TLS and QUIC, and leverage net.Conn for seamless TCP/UDP proxying over QUIC.

- Tags: how-to-guide
- Published: 2026-05-13

### [Network Protocols Used by Hysteria Core: QUIC, HTTP/3, and Custom Binary Framing Explained](/apernet/hysteria/what-are-the-network-protocols-used-by-hysteria-core)

Discover how Hysteria core uses QUIC, HTTP/3, and custom binary framing for fast, secure proxy traffic. Learn about its advanced network protocols.

- Tags: deep-dive
- Published: 2026-05-13

### [How to Debug Hysteria Core Module Errors: A Complete Guide to Typed Errors](/apernet/hysteria/how-to-debug-hysteria-core-module-errors)

Debug Hysteria core module errors effectively. Learn to use typed errors, errorsAs, verbose logging, and server rejection messages for quick resolution with this comprehensive guide.

- Tags: how-to-guide
- Published: 2026-05-13

### [Performance of Hysteria Core Compared to Other Proxies: Benchmarks and Architecture](/apernet/hysteria/what-is-the-performance-of-hysteria-core-compared-to-other-proxies)

Discover Hysteria core's performance gains: 30-120% higher throughput and 20-50% lower latency than V2Ray, Shadowsocks, and Trojan. Learn about its custom QUIC implementation.

- Tags: performance
- Published: 2026-05-13

### [How Hysteria Core Handles Network Traffic: A Deep Dive into QUIC-Based Proxy Architecture](/apernet/hysteria/how-does-hysteria-core-handle-network-traffic)

Explore how Hysteria core handles network traffic via QUIC VPN. Understand its HTTP/3 control, multiplexing, and congestion control for efficient data transfer.

- Tags: deep-dive
- Published: 2026-05-13

### [What Programming Language Is Hysteria Core Written In? Go Implementation Analysis](/apernet/hysteria/what-programming-language-is-hysteria-core-written-in)

Discover what programming language Hysteria core uses. This Go implementation analysis reveals the QUIC-based server and client logic written entirely in Golang.

- Tags: internals
- Published: 2026-05-13

### [How to Modify Hysteria Core for Custom Features: Plugin Architecture Guide](/apernet/hysteria/can-i-modify-hysteria-core-for-custom-features)

Customize Hysteria Core by leveraging its plugin architecture. Add custom features like authentication and routing without forking the repository. Explore the Go interfaces for seamless integration.

- Tags: how-to-guide
- Published: 2026-05-13

### [What Are the Internal Components of Hysteria Core? Architecture Deep Dive](/apernet/hysteria/what-are-the-internal-components-of-hysteria-core)

Explore the internal components of Hysteria core v2 discover its architecture built on QUIC. Understand server client implementations configuration congestion control and more within the apernet/hysteria repo.

- Tags: deep-dive
- Published: 2026-05-13

### [How to Set Up the Hysteria Core Module: Server and Client Configuration Guide](/apernet/hysteria/how-to-set-up-hysteria-core-module)

Learn to set up the Hysteria core module with our server and client configuration guide. Easily embed a high-performance QUIC proxy in your Go application.

- Tags: how-to-guide
- Published: 2026-05-13