WebSockets·WebSockets essentials

Security

Authenticate the connection and limit what it can do.

Intermediate 10 min read Lesson 5 of 150 Challenge included
What you will be able to do
  • Authenticate at handshake.
  • Validate every message.
  • Rate limit and cap frame size.

In plain English

Authenticate the connection and limit what it can do.

  • Authenticate at handshake.
  • Validate every message.
  • Rate limit and cap frame size.
auth.jsJavaScript
const socket = new WebSocket('wss://example.com/ws')
// Send the session token in the first authenticated message, not the URL.
Your turn

Explain it back

Easy

Answer from memory: Why avoid tokens in the URL?

TEXT · starter
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Knowledge checkQuestion 1

Why avoid tokens in the URL?

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Lesson 5 of 150 · 0% of course