websocket

Name: websocket
Availability: InStock
Author: connectivetcs

Enforce origin checks, token authentication, and per-message authorization on WebSocket endpoints.

Updated Apr 5, 2026

Search Tags:#security #websocket #token-authentication #cswsh #origin-validation #per-message-authorization

Ready to run

npx skills add https://github.com/ConnectiveTCS/Gradient_Generator --skill websocket-connectivetcs

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: websocket
Source: https://github.com/ConnectiveTCS/Gradient_Generator/tree/main/.agents/skills/websocket
Command: npx skills add https://github.com/ConnectiveTCS/Gradient_Generator --skill websocket-connectivetcs

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

WebSocket connections are vulnerable to CSWSH if origins are not validated and authentication is cookie-based. This Skill emphasizes strict origin checks, token-based authentication, and per-message authorization to secure real-time bidirectional communication.

Core Features & Use Cases

Origin validation against an explicit allowlist
Token-based authentication for WebSocket connections
Per-message authorization and input validation
Idle timeouts and rate limiting to prevent DoS
Threat-model-informed patterns for secure real-time apps

Quick Start

Configure and run a secure WebSocket endpoint that validates Origin headers, authenticates users via tokens, and enforces per-message authorization.

Frequently Asked Questions about websocket

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I secure WebSocket connections against CSWSH vulnerabilities?▼

To secure WebSocket connections against CSWSH, enforce strict origin validation against an allowlist and use token-based authentication instead of cookies. This prevents unauthorized cross-origin requests from bypassing browser protections.

How does token authentication work for real-time WebSocket endpoints?▼

Token authentication for WebSocket endpoints validates users during the connection handshake. It replaces cookie-based sessions with tokens to establish identity, enabling strict per-message authorization across multiple clients.

What is the best way to prevent DoS attacks on real-time WebSocket applications?▼

Preventing DoS on WebSocket applications requires enforcing idle timeouts and rate limiting. These mechanisms drop inactive connections and restrict message frequency to protect server resources from malicious flooding.

Why do I need per-message authorization in WebSocket communication?▼

Per-message authorization is needed in WebSocket communication to validate user permissions for every payload sent. It ensures that authenticated clients cannot escalate privileges or execute unauthorized actions mid-session.

Can I use WebSocket origin validation across multiple clients and origins?▼

Yes, WebSocket origin validation can be applied across multiple clients and origins. The mechanism checks incoming requests against an explicit allowlist to permit approved domains while rejecting unauthorized cross-site traffic.

Does a secure WebSocket configuration require TLS?▼

Yes, a secure WebSocket configuration requires TLS to encrypt bidirectional communication. TLS protects token-based authentication payloads and real-time data streams from interception during transmission.