# cfnew | byJoey | Knowledge Base | Instagit

GitHub Stars: 13.4k

Repository: https://github.com/byJoey/cfnew

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## Articles

### [What Is the Role of `wrangler.toml` in CFnew Deployment?](/byJoey/cfnew/what-is-the-role-of-wrangler-toml-in-cfnew-deployment)

Discover the essential role of wrangler.toml in CFnew deployment. Learn how this Cloudflare Workers configuration file ensures runtime compatibility on the edge network.

- Tags: how-to-guide
- Published: 2026-05-23

### [How CFnew's Subscription System Connects Users to the Nearest Proxy](/byJoey/cfnew/how-does-cfnew-s-subscription-system-ensure-users-connect-to-the-nearest-proxy)

CFnew's subscription system uses a region-aware algorithm to connect you to the nearest proxy. Get the lowest latency with CFnew's intelligent routing.

- Tags: internals
- Published: 2026-05-23

### [What Do `parseWsPacketHeader()` and `forwardTCP()` Do in CFnew? WebSocket Proxy Architecture Explained](/byJoey/cfnew/what-is-the-purpose-of-parsewspacketheader-and-forwardtcp-in-cfnew)

Unlock CFnew's WebSocket Proxy: Understand how parseWsPacketHeader() and forwardTCP() manage VLESS/Trojan frame parsing, TCP connection setup, and bidirectional data flow with failover for robust proxying.

- Tags: internals
- Published: 2026-05-23

### [How CFnew Uses the Cloudflare Workers `cloudflare:sockets` API for TCP Proxying](/byJoey/cfnew/how-is-the-cloudflare-workers-cloudflare-sockets-api-used-by-cfnew)

Learn how CFnew leverages the cloudflare:sockets API to establish raw TCP connections within Cloudflare Workers for seamless bidirectional data streaming between WebSockets and remote servers.

- Tags: how-to-guide
- Published: 2026-05-23

### [Key Files in the CFnew Repository for Worker Logic and Configuration](/byJoey/cfnew/what-are-the-key-files-in-the-cfnew-repository-for-worker-logic-and-configuration)

Explore the CFnew repository and discover its key files: 明文源吗 for worker logic, 少年你相信光吗 for production, and wrangler.toml for configuration. Optimize your Cloudflare Workers setup.

- Tags: deep-dive
- Published: 2026-05-23

### [What ECH Status Information Is Available in CFnew Response Headers](/byJoey/cfnew/what-ech-status-information-is-available-in-cfnew-s-response-headers)

Discover ECH status information in CFnew response headers. Learn how X-ECH-Status and X-ECH-Config-Length headers reveal ECH configuration details for enhanced privacy.

- Tags: api-reference
- Published: 2026-05-23

### [How CFnew Automatically Fetches ECH Configuration](/byJoey/cfnew/how-does-cfnew-automatically-fetch-ech-configuration)

Learn how CFnew fetches ECH configuration automatically by querying DoH resolvers. It decodes Base64 responses and injects binary data into headers and proxy URLs for seamless integration.

- Tags: how-to-guide
- Published: 2026-05-23

### [How CFnew Implements Encrypted Client Hello (ECH) for TLS Privacy](/byJoey/cfnew/what-is-encrypted-client-hello-ech-and-how-does-cfnew-implement-it)

Learn how CFnew implements Encrypted Client Hello ECH for enhanced TLS privacy by encrypting SNI and preventing domain interception. Discover its DNS-over-HTTPS and Chrome fingerprint techniques.

- Tags: deep-dive
- Published: 2026-05-23

### [How CFnew Handles Real-Time Status Notifications in Its Graphical Interface](/byJoey/cfnew/how-does-cfnew-handle-real-time-status-notifications-in-its-graphical-interface)

Discover how CFnew achieves real-time status notifications in its GUI using client-side JavaScript and a unique UI. Learn about toast notifications and status banners without server-push.

- Tags: internals
- Published: 2026-05-23

### [How CFnew Implements Configuration Caching with Cloudflare KV](/byJoey/cfnew/how-does-cfnew-implement-configuration-caching-with-kv)

Learn how CFnew drastically reduces Cloudflare KV read operations by implementing a two-level configuration caching strategy with in-memory storage and 30-second validation.

- Tags: internals
- Published: 2026-05-23

### [Configuration Priority Hierarchy in CFnew When Using KV: Complete Guide](/byJoey/cfnew/what-is-the-configuration-priority-hierarchy-in-cfnew-when-using-kv)

Understand the CFnew configuration priority hierarchy. Learn how URL parameters, KV store, environment variables, and defaults define your settings for seamless application management.

- Tags: deep-dive
- Published: 2026-05-23

### [How to Configure CFnew Using Cloudflare KV for Dynamic Management](/byJoey/cfnew/how-can-i-configure-cfnew-using-cloudflare-kv-for-dynamic-management)

Dynamically manage CFnew configuration with Cloudflare KV. Update settings instantly via the web UI, no code deployments needed. Learn how now.

- Tags: how-to-guide
- Published: 2026-05-23

### [CFnew Proxy Region Priority: How the Smart Selection Algorithm Works](/byJoey/cfnew/what-is-the-proxy-region-priority-for-cfnew-s-smart-selection-algorithm)

Discover how CFnew's smart selection algorithm prioritizes proxy IPs. Learn about its intelligent region selection process for optimal performance.

- Tags: internals
- Published: 2026-05-23

### [How VLESS URLs Are Generated in CFnew: A Complete Technical Breakdown](/byJoey/cfnew/how-are-vless-urls-generated-in-cfnew)

Learn how CFnew generates VLESS URLs by sanitizing IPs, using URLSearchParams, and appending optional ALPN/ECH for the vless:// scheme. Get a technical breakdown.

- Tags: deep-dive
- Published: 2026-05-23

### [What Data Sources Does CFnew Use for Subscription Generation?](/byJoey/cfnew/what-data-sources-does-cfnew-use-for-subscription-generation)

Discover the diverse data sources CFnew uses for subscription generation. Explore manual IPs, Cloudflare random IPs, remote URLs, and GitHub lists for flexible configurations.

- Tags: internals
- Published: 2026-05-23

### [How CFnew's forwardTCP Function Handles Traffic Forwarding and Fallback](/byJoey/cfnew/how-does-cfnew-s-forwardtcp-function-handle-traffic-forwarding-and-fallback)

Discover how CFnew forwardTCP ensures continuous traffic with resilient TCP-over-WebSocket proxy automatic SOCKS5 downgrade and smart fallback logic.

- Tags: internals
- Published: 2026-05-23

### [How CFnew Parses VLESS Protocol Headers: Complete Technical Guide](/byJoey/cfnew/how-does-cfnew-parse-vless-protocol-headers)

Learn how CFnew parses VLESS protocol headers. This technical guide explains CFnew's approach using native URL APIs to extract header fields for your VLESS connections.

- Tags: deep-dive
- Published: 2026-05-23

### [CFnew Dual-Mode Request Handling System: Routing API and Proxy Traffic in Cloudflare Workers](/byJoey/cfnew/what-is-the-dual-mode-request-handling-system-in-cfnew-worker)

Explore CFnew's dual-mode request handling. This Cloudflare Worker routes API traffic and proxy requests, dynamically generating configurations based on User-Agent headers. Learn how it works.

- Tags: deep-dive
- Published: 2026-05-23

### [How CFnew Proxies VLESS, Trojan, and xhttp Protocols: Cloudflare Workers Implementation](/byJoey/cfnew/how-does-cfnew-proxy-vless-trojan-and-xhttp-protocols)

Learn how CFnew proxies VLESS, Trojan, and xhttp protocols using Cloudflare Workers. Discover its implementation for generating subscription-compatible nodes. Get started today with byJoey/cfnew.

- Tags: internals
- Published: 2026-05-23