A: Burp Suite and OWASP ZAP support WebSocket interception. Some extensions like Requestly now have beta WebSocket support.

With a few keystrokes, Leo changed the value. He didn't drop it to zero—that would be too obvious. He changed it to . He also tweaked the User-Agent

if (!headerName );

Chrome extensions can modify requests they are sent.

The legendary "Tamper Data" extension, once a staple for Firefox power users and security researchers, allowed anyone to intercept and modify HTTP/HTTPS requests in real-time. While the original extension was a Firefox-only tool, Chrome users have long sought a "Tamper Data for Chrome" equivalent to perform similar tasks like security testing, debugging, and web performance analysis.