Forward Proxy and Reverse Proxy are two different proxy server configurations, which have significant differences in their working principles and usage.
Forward proxy:
The client sends a request to the proxy server, and the proxy server communicates with the target server on the client's behalf.
The proxy server hides the client's true identity and location, and the target server can only see the IP address of the proxy server.
Clients access external resources by configuring proxy servers, which can bypass access restrictions, provide caching and performance optimization, and increase access security.
Common application scenarios of forward proxies include: bypassing network restrictions, protecting client privacy, providing caching and optimization, and implementing access control.
Reverse Proxy:
The working principle of reverse proxy is that the proxy server accepts the client's network access connection request, and then the server strategically forwards the request to the actual business server in the network, and returns the result processed by the business server to the client that initiated the connection request on the network.
The reverse proxy hides the true identity and location of the target server, and the client can only see the IP address of the reverse proxy.
Common application scenarios of reverse proxy include: load balancing, high availability, caching and acceleration, security filtering and protection, etc. It can provide reliable request distribution, protect internal servers, optimize performance and increase security.
Reverse proxies are often used in Web application deployment to distribute client requests to multiple internal servers to achieve load balancing and high availability.
A forward proxy is a proxy configuration that sends requests to a target server on behalf of a client, hiding the client's identity and location. It communicates with external resources on behalf of the client and is often used to bypass access restrictions, protect privacy, and provide caching and security. A reverse proxy is a proxy configuration that receives client requests on behalf of a target server and forwards the requests to an internal server. It hides the target server's identity and location and is often used for load balancing, high availability, caching, and security protection. The two are clearly different in terms of proxy direction, hidden objects, and application scenarios.
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