Basic concepts of Linux squid Proxy

I. basic functions of squid Server

1. Provides proxy services for HTTP and FTP protocols

2. cache proxy content to speed up client access to the website and save traffic

3. Access Control of the client address to restrict the clients that are allowed to access the squid Server

4. control access to the target address and restrict the networks allowed by the client

5. Perform access control based on time to limit the time when the client can use the proxy server.

Ii. squid Proxy

1. Common proxy service

Standard, traditional proxy service

The client must specify the proxy server address and port number in the browser.

2. Transparent proxy service

Gateway host for Enterprises

The client does not need to specify the address and port of the proxy server.

Use iptables to forward the client's web access data to the proxy service for processing.

3. Reverse Proxy

Allow external users to access the internal web network through the proxy server, that is, server Publishing, publish the internal IP address of the company, and allow external users to access it.

Next, we will implement simple settings for these proxies.

This article is from the "phper" blog, please be sure to keep this source http://janephp.blog.51cto.com/4439680/1303640