HTTP
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HTTP is an application layer protocol for distributed, collaborative hypermedia information systems. It uses a request/response model where clients send requests to a server, which responds with status codes and messages. HTTP works over TCP and uses ports 80 and 443. HTTPS is HTTP secured with TLS/SSL for encryption and authentication to prevent eavesdropping and man-in-the-middle attacks. Key aspects of HTTP include methods, headers, cookies, caching, and TLS handshake.
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Http
HTTP is a protocol for transmitting hypermedia documents across the internet. It uses a client-server model where browsers make HTTP requests to web servers, which respond with HTTP responses. Key aspects of HTTP include using TCP/IP for communication, being stateless, supporting a variety of data types, and incorporating features of both FTP and SMTP protocols.
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The document discusses web application security. It covers background topics like HTTP and HTTPS. It then discusses gathering information about the application, platform, and domain. Manual testing is covered, including vulnerabilities like XSS, SQL injection, and CSRF. The use of tools like scanners is also mentioned. Remediation and documentation are also briefly discussed.
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The document provides an overview of HTML, HTTP, and introduces PHP. It discusses how HTML/XHTML are used to create static webpages, while PHP allows for dynamic content and user interactivity on websites by running on the server-side. PHP emerged as a leading language for building server-side applications. The document also reviews the client-server model for web requests, with browsers as clients that send HTTP requests to servers, which return responses.
Scalable Reliable Secure REST
This document summarizes key principles for building scalable, reliable and secure RESTful services using HTTP. It discusses how to ensure reliability through idempotent operations. It also covers techniques for scaling such as use of ETags, caching, content types and uniform resource locators (URLs). The document concludes with an overview of security considerations and tools that can be used including HTTP authentication, SSL and XML signature/encryption.
Httpbasics 1207412539273264-9-converted
HTTP is the protocol that powers the web. It uses a request-response model where clients make requests that are met with responses from servers. Requests use methods like GET and POST and include URIs to identify resources. Responses include status codes like 200 for success and 404 for not found. HTTP is stateless but cookies can provide statefulness. HTTPS adds encryption with SSL/TLS to provide security for HTTP communications.
PHP Training: Module 1
The document provides an overview of PHP and its capabilities compared to other web technologies. It discusses how PHP allows for dynamic content and user interactivity on websites, unlike static HTML. It also summarizes HTTP and the client-server model, and how PHP integrates as a common gateway interface (CGI) to enable server-side scripting. Key topics covered include the history of HTML/XHTML, HTTP request/response formats, and how PHP addresses limitations of static websites by running on the server-side.
Under the Covers with the Web
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Hypertext Transfer Protocol
This document provides an overview of the HTTP protocol. It discusses that HTTP has been used by the World Wide Web since 1990 to enable communication between web browsers and servers. It describes some popular web servers like Apache and clients like Firefox. It explains the basic operation of HTTP including requests with methods like GET and responses with status codes. It also discusses URLs, URIs, and different versions of HTTP from 0.9 to 1.1.
Lecture 6- http
Internet Technology Lectures
HTTP & HTTPS
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facebook: https://www.facebook.com/saman.malmufti
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HTTP
The document provides an overview of the Hypertext Transfer Protocol (HTTP) including its basic request/response message format, common methods like GET and POST, status codes, headers, entities, and chunked transfer encoding. HTTP began as a simple protocol to request and receive hypertext files but now supports a wide range of content and new features to power the modern web.
Demystifying REST
DEMYSTIFYING REST
Kirsten Jones
REST web services are everywhere! It seems like everything you want is available via a web service, but getting started with one of these web services can be overwhelming – and debugging the interactions bewilders some of the smartest developers I know. In this talk, I will talk about HTTP, how it works, and how to watch and understand the traffic between your system and the server. From there I’ll proceed to REST – how REST web services layer on top of HTTP and how you can expect a REST web service to behave. We’ll go over how to monitor and understand requests and responses for these services. Once we’ve covered that, I’ll talk about how OAuth is used for authentication in the framework of a REST application. PHP code samples will be shown for interacting with an OAuth REST web service, and I will cover http monitoring tools for multiple OS’s. When you’re done with this talk you’ll understand enough about REST web services to be able to get started confidently, and debug many of the common issues you may encounter.
Api security
API Security Teodor Cotruta discusses API security and provides an overview of key concepts. The document discusses how API security involves protecting APIs against unauthorized access, use, disclosure, disruption, modification, perusal, inspection, recording or destruction. It also outlines methods for implementing API security such as HTTP authentication, TLS, identity delegation, OAuth 1.0, OAuth 2.0, Federation, SAML, JWT, OpenID Connect, JWToken, JWSignature and JWEncryption.
www and http services
The document discusses how the Hypertext Transfer Protocol (HTTP) works to access resources over the web. HTTP uses a request-response mechanism where a client like a web browser sends a request to a server using a method like GET or POST. The server then responds with the requested resource or an error message. HTTP defines the format for requests, which include the request line and header lines, and responses, which include the status line and header lines. Improvements in HTTP/1.1 include persistent connections and request pipelining. Cookies are used to maintain state across multiple requests. HTTPS provides encryption to secure HTTP communications.
http presentation 1.pptx
Presented HTTP, TCP full notes with ppt
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Ch 3: Web Application Technologies
This document provides a summary of key concepts related to web application technologies. It discusses HTTP and HTTP requests/responses, including common headers. It also covers client-side technologies like HTML, CSS, JavaScript, and how they interact with the server via HTTP. On the server-side, it discusses programming languages and frameworks like Java, ASP.NET, PHP, and common databases. It also covers concepts like cookies, sessions, and different encoding schemes used to transmit data.
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This document discusses using Doorkeeper and OAuth 2.0 to protect APIs. It provides an overview of OAuth concepts like access tokens, scopes, applications, roles, and grant types. It then covers setting up Doorkeeper, including defining scopes, protecting controllers, handling user groups, password resets, and testing. Real-world uses of OAuth like email logins, first-party apps, third-party apps, native apps, and API documentation are also mentioned.
Webbasics
URI refers to Uniform Resource Identifiers, which include URLs and URNs used to identify resources on the web. URLs contain the protocol, host, path, and name to locate a resource using its network location. URIs are encoded to represent unsafe characters like spaces using percent encoding. Web browsers make HTTP requests to web servers, which respond by sending the requested pages back to the browser over the TCP protocol in a stateless manner according to the HTTP specification. HTML forms allow collecting user input on web pages for submission to servers via the GET or POST methods.
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