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
I'm not familiar with the field, recently in the construction station, encountered this problem, make a record. Welcome to Criticize(1) Forward proxyI'm too lazy to draw my own notes.The simple point to the proxy is that when user a accesses server B, it connects to Proxy server Z and accesses B through Z.(The goagent used when turning over the wall is actually the forward agent.) When we visit some website
Preface: Today to explain to colleagues the proxy server and reverse proxy server, draw a picture to explain.Proxy servers typically fall into two categories, the forwarding agent (forward proxy) server and the reverse proxy (
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
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
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
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
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). 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
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
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
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
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
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
A forward proxy is a server that is located between the client and the original server (Origin server), in order to obtain content from the original server, the client sends a request to the agent and specifies the target (the original server), and the agent forwards 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 proxy.Reverse
To sum up is:1, the agent when the client knows the server, through the proxy to access the server, then the agent is the server2, reverse proxy when the client does not know the server side, the server knows the client, through the proxy to access the server, then the agent is the clientThe concept of a forward proxyT
1. SummaryUse reverse proxy server 10.Seldom seriously use its own logs for troubleshooting.Maybe!I'm so clear about this thing, I can't do it wrong.Learn ISA 2000 from the current year (2003)And then back to Kongwenda to learn ISA 2004.Along the way, we use that little thing, you are difficult, maybe you drill too deep.I said it was easy because I only found the thing I wanted.2. Track your Access processO
Forward proxy is a client and originalServerTo 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
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