09 - Disable Client-Side Caching with helmet.noCache() - Information Security - freeCodeCamp
IMPORTANT - You must use Helmet version 2.3.0 to pass this test!
Caching can be useful to improve performance, but we may need to disable it for security updates or development. Helmet's noCache() middleware can set some Headers to disable most types of caching.
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00:00 - Introduction
00:05 - What is Caching?
00:15 - Why might we want to disable Caching?
00:33 - Headers to disable Caching
01:07 - Use Helmet version 2.3.0
01:29 - Setting the Headers - helmet.noCache()
Sets four headers, disabling a lot of browser caching.
https://github.com/helmetjs/nocache
01:55 - Testing
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HelmetJS is a type of middleware for Express-based applications that automatically sets HTTP headers to prevent sensitive information from unintentionally being passed between the server and client. While HelmetJS does not account for all situations, it does include support for common ones like Content Security Policy, XSS Filtering, and HTTP Strict Transport Security, among others. HelmetJS can be installed on an Express project from npm, after which each layer of protection can be configured to best fit the project.
freeCodeCamp (also referred to as “Free Code Camp”) is a non-profit organization that consists of an interactive learning web platform, an online community forum, chat rooms, online publications and local organizations that intend to make learning web development accessible to anyone. Beginning with tutorials that introduce students to HTML, CSS and JavaScript, students progress to project assignments that they complete either alone or in pairs. Upon completion of all project tasks, students are partnered with other nonprofits to build web applications, giving the students practical development experience.
freeCodeCamp (also referred to as “Free Code Camp”) is a non-profit organization that consists of an interactive learning web platform, an online community forum, chat rooms, online publications and local organizations that intend to make learning web development accessible to anyone. Beginning with tutorials that introduce students to HTML, CSS and JavaScript, students progress to project assignments that they complete either alone or in pairs. Upon completion of all project tasks, students are partnered with other nonprofits to build web applications, giving the students practical development experience.
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