This article mainly introduces how to use only 50 lines of Python code to implement a simple proxy server, and write it in the socket module using the simplest client-proxy-forward principle, for more information, see the following scenario:
I need to use the mongodb graphics client on my computer, but the mongodb server
Android SDK Proxy Server solves the problem of updating and downloading in China.
Android SDK Proxy Server solves the problem that the Android SDK in China cannot be updated and downloaded, and often encounters a Fitch fail URL error, or a Nothing was installed. Google suffered a severe winter in The history of Chinese
We want to create an nginx server with the proxy ip address 192.168.0.101. The local machine acts as the test master and the local ip address is 192.168.0.234.Nginx Proxy Server ConfigurationFirst, configure the yum Source[Root @ server70 ~] # Yum groupinstall-y "Development Tools" "Development Libraries"[Root @ server
HTTP Proxy Server construction on windows (CCproxy)
HTTP Proxy)I. Topology
2. install and configure CCproxy 1. Install CCproxy (1) download the CCproxy wireless cracking version (only three users can connect to the CCproxy without cracking ). (2) follow the instructions to install. 2. Configure CCproxy1) server (1) d
ObjectiveWhen using Apt-get or git pull or wget, you often consider using a proxy server for reasons of domestic network limitations.At this point, you need to set up the proxy at the command line without affecting the system's proxy settings.MethodYou can set up a proxy
dialing every time your computer starts, click [edit] and select "Activate device when the computer starts ".Client ConfigurationFirst, make sure that the LAN is connected and the corresponding protocol is installed. The client can use Windows9x, Me, 2000, XP, and other operating systems are easy to set. Open your browser, Click Tools> Internet Options, click the connection page, and then click LAN Settings ", check "use proxy
In a general network scale, using a Cache proxy server with good performance near the client can meet the needs of internal users and reduce the congestion of the egress line. However, if the internal network has been expanded to be quite complex and the number of user machines has reached tens of thousands, there may be tens of thousands of URL requests at the same time, in this case, it is very likely tha
Each proxy address includes the following information: IP address, service port, service type, verification status, local connection time, and Note!For example, 10.48.72.2: 80 @ HTTP $6 263,1987, 2543 # Harbin10.48.72.2 indicates that the IP address of the proxy server is 10.48.72.2.: 80 ":" indicates that the Service port of the
The Socks is a circuit-level gateway that Davidkoblas developed in the 1990. Since then, it has been used as an open standard in Internet RFCs. The socks runs on the TCP layer of the protocol stack. Unlike Winsock, SOCKS does not require applications to follow specific operating system platforms, such as Windows Winsock. Unlike the application-tier proxy and the HTTP-layer proxy, the Socks agent simply pas
Proxy server is the function of network users to obtain network information, it is a transit point for network information. With the widespread use of proxy servers, a series of security issues followed. Because there is no comprehensive and meticulous configuration of the access control policy of proxy
As a free network operating system, Linux is more and more popular with the network enthusiasts, the current Internet run a large number of hosts are Linux, and China has to Linux as a government Internet designated network operating system. There are signs that Linux is gradually maturing.
In order to solve the contradiction between the rapid development of Internet and the resource tension of IP address, proxy
Varnish is the cache (accelerator) and reverse proxy server of the Web server. It is lightweight and can carry many concurrent connections. For example, a Norwegian electronic news company replaced more than 10 squids with three varnish.
Varnish processes are roughly divided into two types:
1. Master processes (read configuration files, call suitable storage ty
This section briefly introduces the configuration of the proxy server squid, which has previously recorded the reverse proxy configuration, but is more widely used in the production environment for proxy and forward transparent proxy, this is also the focus of the RHCE test
Configure the Shadowsocks5 proxy server on Centos7
Shadowsocks is a lightweight SOCK5 proxy software, while Shadowsocks-libev is a proxy software based on Shadowsocks. It consists of three parts:
Ss-server: deployed on a remote server
, click "Active", ADSL began dialing; If you want to automatically dial every time the computer starts up, click Edit, and then check "Activate the device when the computer starts up."
Client Configuration
The first step is to ensure that the LAN is connected and the corresponding protocol is installed. The client can use any one of the operating systems, such as Windows 9X/ME/2000/XP, and the settings are simple. Open the Browser, click the menu Tools →internet options, click the Connections
file:Proxy_redirect off;Proxy_set_header Host $ host;Proxy_set_header X-Real-IP $ remote_addr;Proxy_set_header X-Forwarded-For $ proxy_add_x_forwarded_for;Client_max_body_size 50 m; // maximum number of bytes allowed for client requests per fileClient_body_buffer_size 256 k; // maximum number of bytes requested by the buffer proxy to buffer the clientProxy_connect_timeout 30; // timeout value for connecting to the backend serverProxy_send_timeout 30;
But one day early came to find that all computers were unable to surf the internet. PING Isa doesn't make sense. Normal after reboot. I checked the system log for 3.about the Web proxy log:1. The WinHTTP Web Proxy auto-discovery Service has been idle for minutes, it is shut down.2. The WinHTTP Web Proxy auto-discovery Service suspended operation.3. The WinHTTP We
Proxy server is the function of network users to obtain network information, it is a transit point for network information. With the widespread use of proxy servers, a series of security issues followed. Because there is no comprehensive and meticulous configuration of the access control policy of proxy
Classroom, teaching base, laboratory, room and so on about dozens of, network computer up to more than 3,000 units. Our school currently exports 2, a rate of 10M bps, through the fiber-optic access to the Chinese Education Research Network cernet, another rate of 4M bps connected to China Telecom.
First, the user's needs:
The subject of the campus network of our school is the students and teachers in the school. According to statistics, about 80% of users use WWW, FTP and other resources. Our
I. Traditional AgentThe use of traditional proxy is characterized in that the client's related programs (such as IE browser, QQ chat tool) must specify the proxy server address, port and other information. The following is a simple application case to learn the configuration and use of traditional agentsBased on the Internet network environment, the main requirem
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