Proxy IP, or Proxy Server (Proxy Server) is an important security feature, which works mainly in the dialog layer of the Open Systems Interconnection (OSI) model, thus playing the role of a firewall.
IP is the only identity address needed to access the Internet, identity credentials, and the proxy IP is an intermediary platform in the process of accessing the Internet, by your computer first access to the proxy IP, and then by the proxy IP access to the page you point to, so the page access record is left is the address of the proxy IP, not your computer's local IP.
In the case of the IP address of the proxy server, it is the IP address of the server that is used to access the Internet. Expanded:
With the rapid development of the Internet, more and more users in the process of surfing the Internet to expose their personal privacy information, the use of proxy IP can disguise the user's real IP address, the main features are:
1, accelerate the access speed
Often the proxy server has a buffer function, there is a lot of storage space, the network appeared to be When the network is congested or malfunctioning, you can access the destination site through a proxy server, saving bandwidth and significantly improving access speed and efficiency.
2. Protecting private information?
High-quality proxy IP for network security has a great benefit, the computer from the virus, especially for the enterprise, can effectively protect the internal information, to prevent hacker attacks.
3, improve download speed
For example, some websites provide download resources, do a IP a thread limit, this time you can use the proxy IP to break through the download limit.
4, can be used as a firewall
Proxy servers can protect the security of the LAN, play the role of a firewall, isolate the intranet and extranet, provide monitoring of the network and record the transmission of information to strengthen the security of the LAN, to facilitate the hierarchical management of the user, set up different access rights.
Baidu Encyclopedia - Proxy Server