Web Security: Common Vulnerabilities And Their Mitigation - Rules for the browser

The video tutorial explains how to protect websites from cross-site scripting attacks using Content Security Policy (CSP). It covers the role of headers and metadata in web security, detailing how CSP directives and source expressions can specify trusted sources for scripts, images, and other content. The tutorial also discusses advanced CSP directives and their practical implementation to enhance website security.

What is the purpose of the content security policy header?

How does the content security policy help in reducing cross-site scripting attacks?

Explain how headers function in the communication between server and client.

What does the term 'whitelist' refer to in the context of content security policy?

Describe the role of the 'script source' directive in the content security policy.

What is the significance of the 'self' keyword in the content security policy?

What happens if a script is loaded from a source that is not trusted according to the content security policy?

What are some other directives that can be specified in a content security policy?

How can the 'form action' directive enhance security on a website?

What does it mean when no content security policy header is specified?