Detailed introduction to cross-domain settings

When I was working on a project, I adopted a structural design with front-end and back-end separation. The rest-style http interface designed in the backend needed to satisfy both the backend service calls and the front-end direct ajax calls, so I encountered cross-domain problems. The backend uses the spring mvc structure. The HTTP method supports get, post, put, delete, option and other methods. Because when the post is called, the front-end http will first use the option to the server, and then submit the request data after 204, except in In addition to adjustments at the nginx level, spring web.xml also needs to be set up. This solution does not require adding filters on the server side. The feasible version obtained is as follows: spring web.xml root org.springframework.web.servlet.Dispa

1. nginx cross-domain settings nginx apache nginx php nginx rewrite

Introduction: nginx: nginx cross-domain settings: When working on a project, a structural design with front-end and back-end separation is adopted. The rest-style http interface designed in the background needs to satisfy both background service calls and direct adoption by the front-end. Ajax call, so I encountered a cross-domain problem. The backend uses the spring mvc structure. The HTTP method supports get, post, put, delete, option and other methods. Because when the post is called, the front-end http will first use the option to the server. 204 before submitting the request data, in addition to doing

2 at the nginx level. php uses the P3P header to implement cross-domain cookie setting

Introduction: In PHP development, the cross-domain problems we encounter are mainly related to IE. When IFRAME or FRAME or JS in the page cross-domain, IE has a security policy that restricts the page from containing cookies, but if we add With P3P, there is no restriction on this strategy. This is also a feasible premise for P3P to break through cross-domain. In fact, there is no such restriction in Firefox Chrome browser. First, let’s understand what P3P is? P3P (Platform for Privacy Preferences) is a W3C public company

3. javascript - How to prevent cross-domain requests from being blocked by plug-ins such as Adblock?

Introduction: I have a project like this. I need to set some cookies across domains, insert some records into the database, etc. In order to facilitate the description of the problem, do the following first Definition: Station A: www.a.com Station B: www.b.com Our situation is like this. Station A is the domain name of the partner. There may be many. Actually...

4. Yii2 cross-domain cookie setting to implement SSO single sign-on process

Introduction: I want to implement cross-domain single sign-on on Yii2: For example: Login URL: login.XXX.com Front desk URL: www.XXX.com. When logging in, it is login.XXX.com. After successful login, the URL changes to www.XXX.com. How to implement this?

5. Some personal experience records about cookie cross-domain

Introduction: Recently at work, a group Regarding the issue of cross-domain cookie settings, I further sorted out some knowledge points, and then searched for information in this area on the Internet. Originally, these are some basic knowledge, but a lot of information on the Internet is uneven, and some wrong articles have been forwarded many times, so I...

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