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This article mainly shows you "how to set up a proxy ip blog for reptiles", the content is easy to understand, clear, hope to help you solve your doubts, the following let the editor lead you to study and learn "how to set up a proxy ip blog for reptiles" this article.

1. Set cookies.

In fact, cookies is some encrypted data stored on the user's terminal, and some websites identify users through cookies. If an access request is sent frequently, the website is likely to find it suspected to be a crawler. At this time, the website can find the visiting user through cookies and refuse access.

There are two ways to solve this problem, one is to customize the cookie policy to prevent cookierejected problems, or to disable cookies.

2. Modify the IP. In fact, the blog recognizes the IP, not the account.

In other words, there is no point in simulated login when you need to constantly grab a large amount of data. As long as it is the same IP, no matter how to change the account will not help, the key is the IP address.

One strategy for webserver to deal with the crawler is to directly close the IP or the entire IP segment, forbidding access. After IP shuts down, you need to use the proxy IP to continue to access the transition to another IP.

There are many ways to obtain IP addresses, the most common of which is to obtain a large number of high-quality IP from proxy sites. Proprietary servers like Brooks are available all over the country and are a good choice.

3. Modify the user agent. User-Agent refers to a string that contains browser information as system information, also known as a special network protocol.

It can determine whether the current access object is a browser, mail client, or web crawler. The specific method is to change the value of User-Agent to browsers, or even set up a User-Agent pool (list, array, dictionary), store multiple browsers, crawl one User-Agent setting request at a time, so that the User-Agent is constantly changed to prevent it from being blocked.

The above is all the content of the article "how to set up a proxy ip blog for a crawler". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

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