Shulou(Shulou.com)06/03 Report--

This article mainly shows you "how many kinds of IP collection agents are there". The content is simple and easy to understand, and the organization is clear. I hope it can help you solve your doubts. Let Xiaobian lead you to study and learn this article "how many kinds of IP collection agents are there".

For a person who has been engaged in crawler work for many years, everyone knows that there are many kinds of proxy ip. Without proxy ip, web crawler can not complete the huge data information collection work, breaking through the limitation of anti-crawler ip. Only IP can break through. How to obtain proxy ip, the acquisition method is divided into several categories, the difference between the two;

1) Third party platforms.

Many platforms can get some ip for free. For example, unlimited packages, each time you can extract the proxy IP free of charge according to the frequency, and then verify whether the IP proxy is valid, how long the delay is, and so on.

2, grab proxy IP, for a crawler engineer, grab IP proxy is a trivial matter.

There are so many IP proxies online that offer free IP proxies, and these pages are the first choice for crawler engineers. But there is no free lunch in the world. Free proxy IP is inefficient, unstable and slow. Crawl out to do some simple business barely completed, some need high-quality IP business can only find another way.

3. ADSL dialing.

ADSL dial that we often say VPS dial, dial one can change IP, the way is relatively stable, you can control the dial time, much better than free proxy IP. But for crawler workers, this is really troublesome and will reduce productivity.

4. Self-built proxy IP.

Free IP proxy use unhappy, ADSL dial efficiency is low there are other ways? Of course, you can make your own. Create your own IP. Buy a batch of dial-up VPS servers, use squid+ tunnel to build HTTP high hidden proxy servers, proxy can also be built. Self-built agents are relatively stable and can only be used by themselves. The effect is better.

5. Purchase agent IP.

You can buy professional proxy ip service platform, the quality is better than the above three, green security, fast, stable, ip efficiency, high quality proxy, daily ip traffic, low repetition rate, of course, the quality and adaptability is not as good as the fourth, the result is your own reptile ip

There are many kinds of charging institutions, we can choose to buy some suitable for their own institutions ip. Choose the most appropriate one according to your requirements. Many crawler workers usually choose to buy agent ip for a fee. The agent ip is of high quality and can be used directly for a long time after purchase. There is no need to spend energy on maintenance, but also a lot of money.

The above is "How many kinds of IP collection agents" All the contents of this article, thank you for reading! I believe that everyone has a certain understanding, hope to share the content to help everyone, if you still want to learn more knowledge, welcome to pay attention to the industry information channel!

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.