unblocker or proxy

Today, when you test the socket programming, you cannot connect to the extranet. The company is using an HTTP proxy. Internet search did not read too well, so spend a lot of time to learn. Look at the relationship between HTTP and TCP protocol is good, only understand. Now can use the HTTP proxy through the socket, the result is very simple, the process is very difficult. 1. First briefly say HTTP and TCP

Very happy, now have time to write their own blog, now roughly write about the proxy mode it ...The same, as in previous sources, are learned from Marco Video.The so-called agent is one person or one body acting on behalf of another person or another body. In some cases, a client does not want or cannot refer directly to an object, whereas a proxy object can act as an intermediary before the client and the

The proxy mode involves 1. abstract role: Declares the common interfaces of real objects and proxy objects. 2. proxy role: the proxy object role contains a reference to the real object to operate on the real object. At the same time, the proxy object provides the same interf

Forward proxies and reverse proxies are named from the data flow direction, forward proxies, proxy user requests, reverse proxies, alternate server accept requestsForward Proxy: User-"proxy server-" WWW user request data to the proxy server, proxy server to help users go to

The use of Proxy Server (proxy) to access the site, especially foreign sites have been very common. It has many advantages: such as protecting personal privacy, speeding up the speed of access, and so on. Usually, everyone is looking for some proxy server address, and then in the browser to do the appropriate settings to use. But there are many drawbacks to this

functionality, if a user needs to use multiple roles, use commas between roles, such as roles= " Manger-status,admin-gui " The test is as follows: At this time we have just set up, the user does not have the host manager's permissions, if you want to manage the host, you can add the roles to the Admin-gui role on the set! Iv. Architecture Nginx Implement reverse proxy tomcat 4.1, the first deployment of a JSP Web s

The concept of a forward proxyThe forward agent, the legendary agent, works like a springboard,To put it simply,I am a user, I cannot access a website, but I can access a proxy serverThis proxy server, he can access the site that I can't accessSo I first connected to the proxy server and told him that I needed the content that I could not access the siteProxy ser

Static Proxy: Isubject: /*** @ Author com. Tiantian * @ version Creation Time: 1:49:29 */public interface isubject {public void request ();} Realsubject (real role ): /*** @ Author COM. tiantian * @ version Creation Time: 1:51:37 */public class realsubject implements isubject {@ override public void request () {system. out. println ("realsubject requesting ");}} Proxysubject (proxy class ): /*** @ Author CO

Java. lang. ClassCastException: com. sun. proxy. $ Proxy * cannot be cast to *** solution, com. sun. proxy Clinical manifestations: Case: Define proxy class: @ Transactional @ Repositorypublic UserDaoImpl implements UserDao extends BaseDaoImpl {/* No interface is implemented */} Get

Proxy-target-class= "true"/> Note: The Proxy-target-class property value determines whether an interface based or a class-based proxy is created. If the value of the Proxy-target-class property is set to True, the class based proxy will work (this requires a cglib library).

Proxy mode provides a proxy for an object and controls a reference to the original object by the proxy object. Agent mode of English is called proxy or surrogate, Chinese can be translated into "agent." An agent is a person or an agency acting on behalf of another person or another institution. In some cases, a custom

A reverse proxy (Reverse proxy) means that a proxy server accepts external connection requests and then forwards the request to a server on the internal network and returns the results obtained from the server to the external request-connected client. At this point, the proxy server behaves as a server. The reverse

First, do not use the proxy server situation: REMOTE_ADDR = Your IP Http_via = no value or no display Http_x_forwarded_for = no value or no display Second, the use of transparent proxy server situation: transparent proxies REMOTE_ADDR = Proxy Server IP Http_via = Proxy Server IP Http_x_forwarded_for = Your real IP Thi

Node development phase, generally used httpModule to start a local server, easy to debug. It's probably like this: varrequire("http");var server = http.createServer();server.listen(8888); So the question is, how do I deploy my application to the VPS? You can't use it http://10.88.77.66:8888 to access it? Yes, the title of the article is the solution. My environment is roughly the same centos 6 lnmp一键部署 . As lnmp for how to operate, I will not write. Google for yourself Suppose my domain name is

#定义代理缓存路径, cache file save path cache initial size and maximum cache time Proxy_cache_path d:\code\cache levels=1:2 keys_z max_size=20m inactive=1m; Location/{ #配置上面定义的keys_zone的值Proxy_cache cache1; #配置url中包括哪个参数的时候不去缓存中查询Proxy_cache_bypass $arg _name; #定义缓存的keyProxy_cache_key $host $uri$is_args$args; #缓存时间, if there is cache-control in the header information in response, the cache time in the header will prevail.Proxy_cache_valid 2m; #当缓存失效后回源出错的时候可以使用缓存中旧数据, the old is better than wron

What is HTTP proxy: www for every person who is familiar with the internet, WWW connection request is the HTTP protocol used, so we browse the Web page, download data (also can use FTP protocol) is the use of HTTP proxy. It is usually bound to the proxy server on the 80, 3128, 8080 ports. What is SOCKS Agent: Accordingly, the

The JDK dynamic proxy is introduced at 1.3, and its underlying need relies on a tool class Java.lang.reflect.Proxy and an interface Java.lang.reflect.InvocationHandler JDK Dynamic proxy must be agent based on interface code example:Jdkproxyutils.java Package com.my.jdkproxy; Import Java.lang.reflect.InvocationHandler; Import Java.lang.reflect.Method; Import Java.lang.reflect.Proxy; Create JDK dynamic

When using a proxy server, all of your actions may be documented, including time, routing, various requests, user IDs, passwords, and so on, which could lead to a secret leak. For other users and servers on the Internet you are safe, but for the proxy server itself, you are at a glance! The administrator of a proxy server or someone else who has administrative au

First look at the proxy mode, this should be the simplest design pattern of a, class diagram The most characteristic of the agent mode is that the proxy class and the actual business class implement the same interface (or inherit the same parent class), the proxy object holds a reference to the actual object, while the external invocation is the

Agent Mode-JDK ProxyUsing the JDK-supported proxy mode, dynamic proxyThe scenario is as follows: This example proxies the ArrayList, doing some extra work before and after each ArrayList operation.Arraylistproxy classHere is the implementation of the agent.Import Java.lang.reflect.invocationhandler;import Java.lang.reflect.method;public class Arraylistproxy implements Invocationhandler { private Object proxy