Between the client and the server, as far as the remote server is concerned, the proxy server is the client, which makes various service applications to the server; as far as the client is concerned, the proxy server is the server, which accepts the application made by the client and provides The corresponding service. That is to say, the request sent by the client when accessing the Internet is no longer directly sent to the remote server, but is sent to the proxy server. The proxy server then makes a corresponding application to the remote server, receives the data provided by the remote server and saves it. On its own hard disk, and then use these data to provide corresponding services to the client.
The proxy server can protect the security of the local area network and act as a firewall: for the local area network that uses the proxy server, only the proxy server is visible from the outside, and users on other local networks are invisible to the outside. The proxy server is the security of the local area network. Played a role as a barrier. In addition, through the proxy server, users can set up IP address filtering to restrict the access rights of the internal network to the outside. Similarly, a proxy server can also be used to restrict the blocking of IP addresses and prohibit users from accessing certain web pages.
Get network proxy server IP
In the case of a proxy server in the enterprise, the IP port (or user name and password) of the proxy server needs to be provided by the server administrator.
If the current PC itself can access the Internet, in order to solve the problem of Google's server banning IP, you can use the addresses and IPs of some proxy servers on Baidu.
Set up a network proxy
Click the "Settings" button at the top of the toolbar to display the "System Settings" dialog box, as shown in the figure below.
In the network settings, select the proxy type as "HTTP proxy", fill in the address and port and click the "Test" button to test whether it is available.
After confirming that it is available, close the dialog box to complete the setting.