connection keep alive

The browser and the server need to shake hands three times when establishing an HTTP connection. In a high-concurrency environment, a three-way handshake for each connection consumes too much service resources, this is essentially because HTTP is

Talk about persistent links-Understanding HTTP original excellent Guo Shiyu with baozou comics 2 from: NS testing department time 637 Persistent connection What is persistent connection? As the name implies, it is a "persistent" connection. As

1. IIS Authentication overview... 3 1. Anonymous Access... 3 2. Integrated windows Authentication... 3 2.1. NTLM verification... 3 2.2. Kerberos verification... 3 3. Basic Authentication... 4 2. Anonymous Access... 4 Iii. Windows integration

302 is a frequently used status code in the HTTP protocol, and is a type of redirection method. Its semantics is often interpreted as "MovedTemporarily ". Here, we will mention that most of the 302 used in reality is misuse (mixed with 303,307). In

Principles of keepalive Both http1.0 and http1.1 support keepalive. Http1.0 requires "connection: keep-alive" header to be added to the request, whereas http1.1 supports this header by default. The data interaction process supported by http1.0

Is TCP applicable to the WAN environment? 1. Background information A long time ago, I heard a colleague from the department say that the Http protocol is applicable to the WAN, but the TCP protocol is not applicable to the WAN, because the Http

Returned directory Returns the response message received from the server to the client.  Okay, at this point, all the response packets are received from the server, so the next step is the final outcome: Package the response packets received

Curl simulates password retrieval (Huaxia insurance) to directly retrieve the password page www. ihxlife. comforget... if you enter the mobile phone number 15677748704 (test) to obtain the verification code, the system will prompt that the

How to capture original Tudou video files I used to think that HTML code is directly used to capture FLV or SWF files, but I found that potatoes could not be found, and I was depressed and did not know how to handle them. Today I finally found the

This article mainly introduces the Pyspider to the crawler to forge a random request head of the example, has a certain reference value, now share to everyone, the need for friends can refer to Pyspider uses the Tornado Library to do HTTP requests,

Introduction to using ETags to reduce Web application bandwidth and load Recently, the public has been strongly interested in the REST-style application architecture, indicating that the elegant design of the Web has begun to attract attention. Now,

The development technology of today's web programs is truly a battle, ASP. NET, PHP, JSP, Perl, Ajax, and so on. Regardless of the future development of web technology, it is very important to understand the basic protocols for communication between

The development technology of today's web programs is truly a battle, ASP. NET, PHP, JSP, Perl, Ajax, and so on. Regardless of the future development of web technology, it is very important to understand the basic protocols for communication between

The development technology of today's web programs is truly a battle, ASP. NET, PHP, JSP, Perl, AJAX, and so on. Regardless of the future development of Web technology, it is very important to understand the basic protocols for communication between

The development technology of today's web programs is truly a battle, ASP. NET, PHP, JSP, Perl, Ajax, and so on. Regardless of the future development of web technology, it is very important to understand the basic protocols for communication between

Detailed explanation of HTTP protocol Author: small tank Source: blog Park Release Date: Read: 59090 recommendations: 66 Original link [favorites] 　　Related Articles:HTTP Compression The development technology of today's web programs is truly a

Document directory 1 403 Access forbidden 2 404 object not found 3 401 Access Denied 4 302 Object Moved 5 500 Internal Server Error Understanding HTTP message header (2) Common HTTP return code in the previous article, I briefly talked about

The development technology of today's web programs is truly a battle, ASP. NET, PHP, JSP, Perl, Ajax, and so on. Regardless of the future development of web technology, it is very important to understand the basic protocols for communication between

The development technology of today's web programs is truly a battle, ASP. NET, PHP, JSP, Perl, Ajax, and so on. Regardless of the future development of web technology, it is very important to understand the basic protocols for communication between

Php session Principle Session is a way to maintain user session data on the server side. The corresponding cookie is to maintain user data on the client side. HTTP is a stateless protocol. After the server responds, it loses its connection with the