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I have encountered cross-origin access in js before, but I may not take it seriously. I may have checked the relevant information. But when I encountered this problem again in two days, it took a lot of detours to find out the cause of the problem.

Centos7 configure YUM to install the DNS Service 1. Configure the DNS address vim /etc/resolv .conf nameserver192.168.1.100 # Note: the address here is the address of your local DNS server. 2. Install dns yum install bindbind-utils 3. Start the

In Jinshan Carefree Network, the front-end load balancer Server is Nginx, two Nginx server for a group, assume a variety of types of load balancing services, two load balancer servers are active, each binding a public network virtual IP, as a load

This is a creation in Article, where the information may have evolved or changed. A lot of people in the circle of friends to forward some articles, the title is what Go crazy, and so on, although most of them are also ads, I think it is quite

This article mainly introduces information about cross-origin Message Transfer Using Html5postMessage. For more information, see I. same-origin policy To understand cross-origin, we must first know what the same-origin policy is. In this way, Baidu

Analysis of malicious IP. Board CMS redirection IP. Board CMS is a famous CMS system that allows users to easily create and manage online communities. Sucuri researchers recently discovered a redirection for IP. Board. After analysis, the

What is the process of a complete HTTP transaction? statement: The statement in this article is only a summary of personal understanding, not necessarily completely correct, but can help to understand. For the HTTP protocol, refer to

One, what is 301 redirect301 Redirect (or call 301 jump, 301 turn) is a user or search engine spider to the site server to make access requests, the service returns the HTTP data stream header part of the status code of one, indicating that this

Updates 2014-08-17 thanks to the crosser of the front end, added the content of the HTTP Response splitting. The presentation stamp of this article is here.I. Basic characteristics of cookiesIf you do not know cookies, you can study on

No good domain name? You have to change your name.Paul Graham is the founder of business incubator Y Combinator, the author of "Hackers and painters", "on Lisp" and other books.Translator: Wang Wei Zhe, He JiamongIn the United States, if you have a

Small Q: Aristotle divides man's happiness into three categories: happiness from the outside, happiness from the soul;And the happiness from the flesh.What I learned today was beyond expectation, not only because I got up early, but I was very good

Sublime is a powerful editor, but my English is poor, in order to adapt to learning faster, I secretly Han. People do not despise me, I will be familiar with the English version of the later! Believe Me!OK, installation is official website

Original: http://igoro.com/archive/what-really-happens-when-you-navigate-to-a-url/As a software developer, you will certainly have a complete hierarchical understanding of how Web applications work, as well as the technologies used in these

When the machine hundreds of thousands of times, if you need to use a machine inside a password or key to login, it is also a painful thing, today sharing under the use of OPENLDAP to achieve an account of any machine and applications can log on.I.

DNS is one of the core Internet protocols. Whether it's surfing the web or programming, you need to know a little bit about it.This article describes in detail The principle of DNS and how to use the tool software to observe its operation. My goal

After entering the url, you see the homepage of baidu, then how does all this happen?before, recently, I think I will certainly be asked later, or ask such questions, if the Baidu box input query string start, is how to return the things you Need.So

First, the host resolves the order of the domain name1. Find the Cache2. Find the Hosts file for this machine3. Find the DNS serverNote: When configuring IP and hostname, remember to modify the/etc/hosts file, because some applications in the host

With the development of the Internet and the size of its own website, and other reasons, sometimes you may need to bind multiple domain names in one space.The problem is, if the number of bound domain names is not much of the cost, space vendors in

1. Official website of Zoho free enterprise Post Office The code is as follows:Copy code Website: https://www.zoho.com/mail/zohomail-pricing.htmlWe can see that the enterprise Post Office provided by Zoho currently has free and paid accounts,

Yii is also an MVC framework, which is suitable for various website development. It is very flexible and has high performance. The following charts show the efficiency of Yii compared with other popular PHP frameworks. In this chart, RPS indicates