How does a crawler get a stable ip pool
This article focuses on "how reptiles get a stable ip pool". Interested friends may wish to take a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn how to get a stable ip pool for reptiles.
1. Judge according to the open port of the server.
If the server has open ports 80, 3389, 3306, 22, etc., it means that there are other services running on the server, and the probability of hanging up is very small. If it is the government and school servers, it will be more stable. Of course, it is possible to open other ports.
2. Judge the access speed of the server.
You need to visit several different websites to get the average, so that the access speed will be relatively stable.
3. The longer the survival time of the proxy ip is, the more stable it is. Of course, this is calculated after the crawl is established.
4. Re-detect the agent type.
By visiting different http and https websites, you can determine whether the agent is http or https, divide it into http agents, and then use it when visiting http sites. The https agent provides services for https access, thus increasing the access probability.
At this point, I believe you have a deeper understanding of "how to get a stable ip pool". You might as well do it in practice. Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!