Before understanding HTTP, understand the TCP/IP protocol family. Commonly used networks, including the Internet, operate on the basis of the TCP/IP protocol family. HTTP is...
Application layer: provides required services for different network applications. Transport layer: Provides end-to-end communication/transmission functions for application layer entities to ensure sequential transmission of packets...
Many technology-conscious Internet companies require candidates to write code on paper as part of their engineering recruitment process. What are some of the things that...
Short connection Establish a connection with the server before sending a request. After receiving a response packet, the connection is closed immediately. Because the entire...
Address Resolution Protocol (ARP) is a Protocol for resolving addresses. The MAC addresses of communication parties can be determined based on their IP addresses. MIME,...
The word "cross-domain" sticks like a sticking plaster to every front-end developer, whether you're on the job or in an interview. In order to prepare...
This article is a study note covering HTTP/1, HTTP/2, CSP, restful apis, cross-domain, and more. Significance of tunnels: A tunnel can establish a communication line...
Full text is very long, suggest collection, prevent getting lost! Read one section at a time. HyperText Transfer Protocol (HTTP) is an application-layer Protocol used...
SQL injection, in fact, is the variable content submitted by the user browser, application procedures (code may be ASP, ASPX, PHP, JSP, etc.) submitted by...
This article explains how to understand HTTP role positioning, teach you to understand the packet information. This article looks at the HTTP protocol from four...
When the browser accesses a static resource, sometimes the preview screen is opened, and sometimes the file save window is displayed for downloading. So is...