Cloud function crawler can not handle dynamic IP, try this wild way Recently, many do data collection of old iron and I complained, with AWS Lambda to do the crawler is always the target site blocked IP. after all, the cloud function each time the start is a new environment, their own proxy pool maintenance costs and high. At this time it is necessary to change a way of thinking - the dynamic ...

Teach you to use cURL to play around with the proxy IP all know that the web development, cURL is like a Swiss army knife as well. But a lot of people get stuck in the proxy settings, especially when it comes to redirection tracking. Today we will break open the crumbs to talk about this inside the doorway, by the way, I commonly used ipipgo proxy ...

PyTest+Selenium to do automation testing? Don't let IP blocking become a roadblock Recently, a lot of test guys complained to me that using PyTest+Selenium to do automation testing always encounters IP blocking. In particular, when testing the pricing strategy of an e-commerce site or a ticketing system, the script will be blocked just half an hour after it has run...

代理IP的生存法则：别让机器一眼看穿你 现在网站的反爬系统比安检还严，随便用个代理IP就像穿拖鞋进高档餐厅——分分钟被拦下来。搞机器学习反爬的程序猿们，早就不满足于单纯封IP了，他们用特征工程给每个访…

What the heck is HTTP/2 fingerprinting? We usually use proxy IP to surf the Internet, the server will actually secretly check your network fingerprints. Just like you go to the bank to do business to press the fingerprint, HTTP / 2 protocol also has its own "fingerprint characteristics". Now a lot of websites have upgraded the detection means, just change...

When the crawler meets the CAPTCHA: Why is your IP always recognized? Friends who have done data collection know how perverse the anti-climbing mechanism of the website is now. Yesterday, the script can still run normally, today suddenly be blocked IP, jump CAPTCHA are considered light, serious direct account closure. The traditional program either with a fixed service...

First, dynamic rendering of the cat and mouse game what? Now a lot of websites have learned to be smart, specifically to prevent automation tools. They will be through the page loading behavior detection, mouse track analysis of these tricks, the use of Selenium to engage in automation of the user to pull out. Two days ago, a friend who does e-commerce told me that they...

Why is your IP pool always recognized? It may be that the scheduling algorithm is dragging its feet Friends who do data collection have encountered this situation: obviously changed IP, the target website still recognizes that you are using a proxy. The problem often lies in the node scheduling strategy. Like delivery, if you always let the same rider take orders, the store is late ...

First, why is your crawler always recognized? First look at the pit The old iron of data collection should have encountered this situation: obviously changed the IP address, the target site can still accurately identify the crawler behavior. At this time, many people will wonder - IP have changed how to still be caught? In fact, the problem lies in your request...