Some time ago in the product development, need to interact with the company's Web site, we developed the product is placed in a domain name, the company's website that block is under another domain name, so in the page callSite over the interface
Client "cross-domain Access" has been a headache problem, fortunately, jquery help, from the jQuery-1.2 after the cross-domain problem will be solved. Because of the cross-domain problem in the project, I take this opportunity to find out the
js Cross-domain problem, I think a lot of programmers mind inside also think JS is not cross-domain, in fact this is a wrong point of view;
There are a lot of people on the Internet to find their solution, to teach them to solve with an iframe a
Obtaining data from the same domain can be achieved by XMLHTTP components or IFRAME, and there are no permissions issues with Cross-domain access, so it is simpler.
However, if you want to access data from different domains, because of browser
In the previous article ExtJS Cross-domain access to and from WCF has solved the problem of ExtJS and WCF Cross-domain access through a service-side proxy, and that scenario does not look elegant, and when I wrote a restful way to invoke WCF for
Experimental environment:
Xi ' an Lingyun high-tech system integration by limited companies in the day-to-day office of the use of the domain is Benet. Com (a forest); Since the engineering department has recently received a project, a domain name "
JS cross-Domain access hint error: XMLHttpRequest cannot load/http/... No ' Access-control-allow-origin ' header is present on the requested resource. Origin ' null ' is therefore not allowed access.Workaround:1. If the requested URL is an ASPX page,
In client-side programming languages, such as JavaScript and ActionScript, the same-origin strategy is an important security concept that has important implications for securing data. The same-origin policy stipulates that scripts across domains are
A long time ago, a friend wrote a asp.net. WebResponse access to Cross-domain examples, I turn to learn together with you, I hope the article will help you. Two days ago, a friend asked me to help him write such a program: ASP.net inside the
An error was encountered while attempting to access the rest server from a Web front-end using an HTTP request request: XMLHttpRequest cannot load http://localhost:8080/ping. No ' Access-control-allow-origin ' header is present on the requested
One, what is cross-domain
Let's review the composition of the domain name address first:
http://www. Google:8080/script/jquery.js
http://(agreement number)
www (sub-domain)
Google (main domain)
8080 (port number)
Script/jquery.js (The
Client-side "Cross-domain access" has been a headache, but with jquery to help, the cross-domain problem will be solved after jQuery-1.2. Due to the Cross-domain problem in the project, I take this opportunity to find out the cross-domain problem,
1. What is a homology policy
Understanding a Cross-domain must first understand the homology policy. The homology policy is a very important security policy that is implemented on the browser for security reasons.
What is homology:
The URL
Problem Description
When using JavaScript for AJAX access, the following error occurred
Cause of error: JavaScript is in security consideration and is not allowed to be accessed across domains.The following illustration is an explanation of
In addition to using Cors to achieve Cross-domain access, Nginx has a relatively simple way of implementing the proxy function of the Proxy_pass module:For example, if you need to implement Cross-domain access for the WWW and M stations, you only
Premise: Configuration of the server site (the requested website)1. The HTTP response header needs to be set in the features view of the IIS Server site:2. Double click on "HTTP response header" To enter the Setup interface3. Click the Add button to
JSONP is the JSON with Padding. Due to the limitations of the same-origin policy, XMLHttpRequest only allows resources to be requested for the current source (domain name, protocol, port). If cross-domain requests are made, we can make cross-domain
$.ajax ({Async:false,URL: ',//cross-domain URLType: ' GET ',DataType: ' Jsonp ',JSONP: ' Jsoncallback ',//default callbackData:mydata,//Request datatimeout:5000,Beforesend:function () {//jsonp mode This method is not triggered. The reason may be
To enable users to access the site only through the domain name, prohibit the use of IP access, you can add the following code in the httpd.conf configuration file:ServerName 192.168.1.58Order Allow,denyDeny from
Webapi Address: Wapapi.ebcbuy.comweb Address: wapweb.ebcbuy.com By default, these two domains belong to two different domains, and their interactions have cross-domain issues, but because they all belong to a two-level domain name, As a result,
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