Recently someone used the station data, using reverse proxy technology, made a thief station. The user is visiting his web site, but essentially the content data is mine, this is a malicious reverse proxy event What is a reverse proxy
Reverse Proxy concept:
The client accesses the server initially, but after using a proxy server to proxy server, when the client accesses the server, it does not directly access the server, but first accesses the proxy server, which is then accessed by the
Scenebecause the company intranet has more than one server HTTP service to map to the company's external network static IP, if the port map with the route to do, you can only one intranet server 80-port map to the extranet 80 ports, the other server 80 ports can only map to the outside of the network of 80 ports. Non-80-port mapping in the access time to the domain name plus port, more trouble. And the company portal route can only do 20 port mappings. Definitely not enough later.Then brother K
Apachedo reverse proxy serverThe Apache agent is divided into forward proxy and reverse proxy:1forward Proxy: The client cannot access the external Web directly, it needs to set up a proxy
Introduction: A machine with a dedicated line access to the Internet as a firewall, in the intranet segment has a WWW server
(Redhat 6.1,apache 1.3.9) expects this machine to provide WWW server and Apache based
File services. For the external world to publicly access the WWW server, or the field branch to download the required files.
Advantages: The internal WWW server and file service are completely separated from the outside world, not directly to the outside, through
The Apache service runnin
This article describes how to install node and nginx for the Ubuntu Server 12.04 LTS 64-bit host on Tencent Cloud, and simply configure the reverse proxy.
The author in the entire installation process encountered a lot of trouble (not to repeat), if you want to pit less, you can follow the steps of this article to install the deployment.A. New Nodejs installation
Using NVM (Node version manager) is highly
The Apache agent is divided into forward proxy and reverse proxy:1 forward Proxy : Clients cannot access the external Web directly, they need to set up a proxy server in the same network as the client, and the client accesses the external Web through the
The following configuration contains an example of a more comprehensive reverse proxy for the Nginx configuration:
User www www
Worker_processes 8;
Events {
Use Epoll;
Worker_connections 10240;
}
Pid/opt/work/log/nginx.pid;
Error_log/dev/null error;
HTTP {
Include/opt/nginx/conf/mime.types;
Default_type text/html;
Log_format PV ' [$time _local]| $remote _addr| $cookie _suv| $args | $http _refere
Note: There are two limitations to the code:
1. The client must be a Windows operating system
2. The program code deployed to Linux when the desired effect, access to the IP is 127.0.0.1 so IP access to the MAC address is also inaccurate, to be improved ....
3. Please the enthusiastic friend message comments, thanks for pointing the maze!
Import java.io.IOException;
Import Java.io.InputStreamReader;
Import Java.io.LineNumberReader;
Import Javax.servlet.http.HttpServletRequest;
public class Ge
But if the site has an average of more than 200 requests per second, then the problem is: This is already the best Web server, what should I do? The same scenario applies to the database. To solve this problem, we need to understand the principle of "load balancing".
How Web servers do load Balancing
The most important way to do load balancing for Web servers is DNS redirection and reverse proxy, and the
Recently contacted Nginx, on the Internet to check the relevant information, see the most describe Nginx word is reverse proxy, what is the reverse agent. has been not very understanding, so in the online check the reverse agent, the following gives Baidu Encyclopedia of the interpretation of the
Nginx reverse proxy, load balancing, high availability of keepalived
Nginx reverse proxy, load balancing, high availability of keepalived
I. nginx reverse proxy and Server Load balancer
1. What is
Whenever we mention the reverse proxy, we usually think of Nginx, but today we temporarily ignore the well-known Nginx, using Nodejs, also a single-threaded, event-loop server brother. In many scenarios, I have applied for a VPS host to host and run Web projects. I bought a small Win 03 VPS instance. In the process of use, there is a problem, that is, the server environment of the same type is okay-but if t
Nginx reverse proxy causes large file download to failI. symptom:The Nginx reverse proxy is also nginx. When the client downloads a large file, the "Download failed" message is displayed when the file is downloaded to 1 GB. If the download continues in FireFox, it will download 1 GB again and then fail.Reverse
Nginx is a high-performance HTTP and reverse proxy server. The following describes the reverse proxy function of Nginx. What is reverse proxy? A reverse
I. TEST environmentOs:rhel6LIB1:192.168.10.100 # #前端代理服务器lib2:192.168.10.111 # #后端web服务器, Nginx requires additional Http_realip_module module installationTwo. Principle of reverse ProxyPut a proxy server in front of the Web server, when the client needs to access the Web server, direct access to the proxy server and the proxy
1. What is reverse proxy?
First, let's give a metaphor:
In a residential area, if two households share the same name and surname, it is difficult to find the correct target object without specifying the first floor of the House.
If the above situation is reflected in the server and LAN:
That is, two or more servers in a LAN may use the same port, for example, HTTP standard port 80 ). In this case, because b
The default Nginx only supports HTTP reverse proxies, and you need to increase the TCP proxy module support at compile time to nginx the reverse proxy that supports TCP, that is Nginx_tcp_proxy_module
The following procedure only lets the Nginx support Tcp_proxy, does not join Prce, gzip, SSL and so on function, if nee
problem: The server uses Nginx to do the reverse proxy, when requesting the service port interface, if the response packet data is large, always returns the JSON message is not complete.
For a long time. The reason is:nginx for small reverse proxy request is to use memory for transit, for slightly larger, is the use
Tags: pos spn config document Microsoft Auto-launch Reference site classInstalling Nginx1 sudo apt-get install Nginx2 sudo service nginx startIf there is no mistake to continueModifying a configuration fileModify a/etc/nginx/sites-available/default filesudo nano/etc/nginx/sites-available/defaultNote All content server{#内容}A 502 error will occur when the refresh occursThen sudo nano/etc/nginx/conf.d/Write configurationserver {Listen 80;Location/{Proxy_pass http://localhost:5000;Proxy_http_version
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