What is a forward proxy
We will share with you what forward proxy is and what its functions are. Please continue reading!
concept
A forward proxy is a proxy server (intermediate server) located between the client and the target server. In order to obtain content from the target server, the client sends a request to the proxy server and specifies the target server. The proxy then forwards the request to the target server and returns the obtained content to the client. In the case of a forward proxy, the client must make some special settings before it can be used.
Features
A forward proxy needs to actively set the proxy server IP or domain name for access. The set server IP or domain name is used to access the content and return the content. The forward proxy is a proxy client that sends and receives requests for the client, making the real client invisible to the server.
Usage scenarios
The typical use of a forward proxy is to provide a way for LAN clients within a firewall to access the server. A forward proxy can also use buffering features to reduce network utilization.
- Scientific Internet Access (Over the Wall)
Sometimes, users want to visit a foreign website that cannot be directly accessed in China, but we can access a proxy server that can access this foreign website. In this way, users need to forward the request through the proxy server to access the foreign website, and the proxy server will also return the response to the request to the user. This process of surfing the Internet uses a forward proxy.
use
- Breakthrough access display: Through the proxy server, you can break through your own IP access restrictions and access foreign websites, etc.
- Improve access speed: Usually proxy servers have a large hard disk buffer, which will save responses to some requests in the buffer. When other users access the same information, the information is directly taken out of the buffer and transmitted to the user to improve access speed.
- Hide the client's real IP: Internet users can hide their IP through the forward proxy method to avoid attacks
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