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Concept of forward proxy
A forward proxy, the legendary proxy, works like a stepping stone,To put it simply,As a user, I cannot access a website, but I can access a proxy server.This proxy server can access the website that I cannot accessSo I first connected the
Forward proxy and Reverse proxy table of Contents
Forward Proxy
Reverse Proxy
Difference between the two
Original: http://jingyan.baidu.com/article/f54ae2fcd895b81e93b84973.htmlForward ProxySimply put, I am a
user as his content, but the user does not know it is normal, the user is generally very stupid, mentioned here Ooxx This domain corresponds to the server set up the reverse proxy function, the conclusion is reverse proxy is just the opposite, for the client it is like the original server, and the client does not need
(1). The concept of a forward proxyForward agent, that is, the legendary agent, he works like a springboard, simply said, I am a user, I can not access a website, but I have access to a proxy server, the proxy server, he can access the site I can not access, so I first connected to the proxy server, Tell him I need the content of the inaccessible site, the
increase the security of client authentication (see Figure 14-4). Figure 14-4 The client securely connects to the proxy server and the proxy server securely connects to the content server for information about how to set up each of these configurations, see Setting up a reverse pr
reverse proxy
Continue with examples:Example user Access Http://ooxx.me/readmeBut there's no Readme page on ooxx.me.He was secretly taken back from another server and then spit it out to the user as his own content.
But the user does not knowThis is normal, the user is generally very stupid
The ooxx.me mentioned here has the reverse
Linux and Cloud computing--the second phase of Linux Server SetupThe 11th chapter:Agent Proxy Server Erection-squid configuration Reverse ProxyReverse proxy settings[1]ConfigurationSquid.[Email protected] ~]# vim/etc/squid/squid.conf#: Add ( allow all http access )Http_access Allow all# line: Specify the backend Web serverHttp_port Accel Defaultsite=client.exampl
1.Concept of forward proxy
Forward proxyIsOrigin server)To get content from the original server, the client sends a request to the proxy and specifies the target (original server ), then the proxy transfers the request to the original server and returns the obtained content to the client. The client must make some special settings to use the forward
client must make some special settings to use the forward proxy.
The concept of reverse proxy
Continue with examples:
Example user Access Http://ooxx.me/readme
But there's no Readme page on ooxx.me.
He was secretly taken back from another server and then spit it out to the user as his own content.
But the user does not know
This is normal, the user is generally
setBlock, All"Via:"The first line will be deleted. There will be no new"Via:"Header.
1
The proxy can be used on the local machine.
1.2 browser settings (taking Firefox as an example)
1.3 access results
Visit www.sina.com and observe the HTTP request response:
We can see that via: www.test.com, the forward proxy is successful.
2. Reverse
reverse proxy
Continue with examples:Example user Access Http://ooxx.me/readmeBut there's no Readme page on ooxx.me.He was secretly taken back from another server and then spit it out to the user as his own content.
But the user does not knowThis is normal, the user is generally very stupid
The ooxx.me mentioned here has the reverse
A forward proxy is also a legendary proxy. It works like a stepping stone. Simply put, I am a user and cannot access a website, but I can access a proxy server, which can access a website that I cannot access. So I first connect to the proxy server, tell him that I need the content
The usual proxy server, which is the forward proxy, is used only for proxy connection requests from the internal network to the Internet, and the client must specify a proxy server and send HTTP requests that would otherwise be sent directly to the Web server to the proxy se
Remote Assistance Based on ssh reverse proxy and ssh reverse assistance
This article describes how to implement remote assistance through ssh reverse proxy and provides relevant code.
After Remote Assistance is enabled on the web, maintenance personnel can log on to the cust
What is an agent?Agent is for network users to proxy the network, such as Google Agent Fq.What is a reverse proxy?A proxy server that accepts connection requests on the Internet, then forwards the request to a server on the internal network, and returns the results from the server to the client requesting a connection
Content Server. This solution is effective if you need to protect the security of information exchanged between the server, proxy server, and client. In this solution, the proxy server can act as a secure channel between sites and enhance the security of client authentication (see Figure 14-4 ).
Figure 14-4 The client securely connects to the
: This article mainly introduces Nginx forward proxy and reverse proxy. For more information about PHP tutorials, see. Three roles
Client
Proxy Server
Target server
Forward proxy
The target server is visible to the client (whether or not the
About the agent, read some of the content, but the talk is particularly around, good confused. Suddenly understand, just don't know right forward proxy settings in the client, proxy server instead of the client to access the application server in the client settings agent, access to the normal access to the site. Servers can only find the proxy server layer, and
What is Nginx?Nginx (engine x) is a high-performance HTTP and reverse proxy server, also a IMAP/POP3/SMTP server.Nginx is a lightweight Web server/reverse proxy server and e-mail (IMAP/POP3) proxy server that is released under a bsd-like protocol. It is characterized by the
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