All network data from computers, mobile phones and other terminal devices, whether playing games, QQ, watching videos or reading news, are transmitted from the proxy IP server or VPN server. We call this method a global proxy.
On the contrary, if only the network data of a certain program or some programs is transmitted through the proxy IP server or VPN server, then we call it a local proxy.
If you only want to use the proxy IP software or VPN for gaming programs or a certain specified program, and others such as QQ only use the local network, you can choose to use the local proxy mode.
So is global proxy better or script proxy better?
1. Advantages and disadvantages of global proxy:
Advantages: You can access all websites in the world, and all domestic and foreign websites use proxies.
Disadvantages: All websites go through proxies, which slows down access to domestic websites and consumes more bandwidth.
2. Advantages and disadvantages of local agents:
Local proxy will not affect the normal Internet access of other software. In some cases, using a proxy IP may cause the Internet to fail to access the Internet normally or the Internet speed may be slow.
The speed of local proxy is faster than that of global proxy, because global proxy is used by all running software on the entire client to access the Internet, which means that the concurrency of using the proxy server will be greater and more resources will be occupied, so it will not be as fast as local proxy.
1. Exclusive global proxy IP has its own characteristics
Domestic IPs are incoherent, scattered, and consistent with the distribution of ordinary netizens. Compared with IPs in computer rooms, they have a higher success rate and a lower probability of being blocked, but are slightly worse in terms of maintenance stability. In businesses that require a large number of short-term dynamic IPs, they have advantages in crawling, replenishing volume, website optimization and ranking, etc.
2. Usability
It means ensuring that the same IP is only used by the same customer at the same time, ensuring successful operation and stable operation. When the same IP is used by multiple different users, the same IP has higher stability and connectivity rate, and higher efficiency, but the cost is slightly higher than the shared IP.
3. Exclusive global proxy IP security
Since the crawler itself simulates user access and uses the same IP as the user, the network environment is ideal. The IP of the computer room has a characteristic that the dial-up IP is a continuous IP, which is easy to be blocked as a whole, resulting in low availability, while the residential IP is scattered and will not have a continuous number. In addition, the IPs used by general users are also these, so the target website cannot block these IPs. Therefore, the IP of the computer room is more suitable for maintenance and other businesses, but the crawler collection, number supplement and other businesses that require a large number of dynamic short-term IPs are very suitable for using exclusive global IP proxies. While providing resources, more attention is paid to protecting data security.
Local proxy settings
The local proxy settings are very simple, and the most common one is to set the proxy IP in the browser. I believe many friends have used it. After setting the proxy, only the browser Internet IP is changed, and the Internet IP of other programs such as QQ remains unchanged.
Setting a global proxy can be achieved through the following 4 steps: 1. Click the Start menu, then click Setting; 2. Then, click "Network and Internet"; 3. Select the "Proxy" option in Network and Internet; 4. First turn off the "Automatic Detection" switch, then turn on the manual proxy setting switch, and enter the proxy IP address in the address and fill in the proxy server port number in the port.
Of course, you can also exclude local addresses from using the proxy, and then manually enter some addresses that do not require the use of the proxy. After the settings are completed, click the Save button, and all external connections will have to go through this proxy.
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