You're reading from Defending APIs

Product typeBook

Published inFeb 2024

PublisherPackt

ISBN-139781804617120

Edition1st Edition

Concepts

Cybersecurity

Author (1)

Colin Domoney

Understanding HTTP fundamentals

APIs are built on top of the Hypertext Transfer Protocol (HTTP), which in turn uses the Transport Control Protocol (TCP) as a transport layer providing guaranteed error-free data delivery. HTTP was originally designed for the transfer of hypertext documents (such as HTML files) but has been adapted for many other uses due to its ubiquity across systems and because it is generally accessible through firewalls and routers, avoiding the use of custom ports or protocols.

HTTP comprises a few core elements, which we will discuss in the following sections.

Uniform Resource Locator

The Uniform Resource Locator (URL) is the address of a resource (file, JSON record, image, etc.) on the internet. URLs are unique (can only reference a single resource) and are fully qualified (meaning they can be resolved to the resource location without ambiguity).

The generic form of a URL is shown here:

scheme://host[:port]/path[?query-string][#fragment-id]

The...

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Defending APIs

Published in: Feb 2024Publisher: PacktISBN-13: 9781804617120

Author (1)

Colin Domoney

Colin Domoney (BSc. MSc. CSSLP, CEH) is an API Security Research Specialist and Developer Advocate with deep expertise in the development of secure software. As VP of AppSec, he took on the challenge of securing software on a large scale and running the global AppSec program at Deutsche Bank. At Veracode, as an evangelist, he produces countless webinars, and blog posts, and speak globally at conferences. Currently, he has embraced the challenge of securing APIs with 42Crunch where he has produced the API industry's first security maturity model and contributed to numerous webinars, talks, and blogs. Currently, he is working on the industry's first defensive API developer training course. He is also the curator of the APISecurity weekly newsletter.
Read more about Colin Domoney

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You're reading from Defending APIs

Understanding HTTP fundamentals

Uniform Resource Locator

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Author (1)

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