The usage of Weibo crawler collection agent ip
This article shows you how to use microblogging crawler agent ip, the content is concise and easy to understand, absolutely can make your eyes shine, through the detailed introduction of this article I hope you can gain something.
1. Set cookies.
In fact, cookies are some encrypted data stored on the user terminal. Some websites identify the user through cookies. If a certain visit always sends frequent requests, the website is likely to find that it is suspicious as a crawler. At this time, the website can find the user of the visit through cookies and refuse the visit.
There are two ways to solve this problem, one is to customize cookie policies to prevent cookierejected problems, or to disable cookies.
2. Modify IP, in fact, Weibo identifies IP, not account.
That said, mock logins don't make sense when you need to constantly grab a lot of data. As long as it is the same IP, no matter how to change the account number is useless, the key is the IP address.
One strategy for webservers to deal with crawlers is to simply shut down IP or entire IP segments and prohibit access. After IP is turned off, proxy IP needs to be used to continue the access transition to another IP.
There are many ways to get an IP address, the most common being to get a lot of high-quality IP from a proxy website. Self-service servers like Brooks, which are spread all over the country, are a good choice.
User-Agent refers to a string containing 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 User-Agent value to the browser, or even set up a User-Agent pool (list, array, dictionary), store multiple browsers, crawl one User-Agent at a time to set the request, so that the User-Agent constantly changes, to prevent blocking.
The above content is how to use the ip of micro blog collection crawler agent. Have you learned any knowledge or skills? If you want to learn more skills or enrich your knowledge reserves, please pay attention to the industry information channel.
