360proxy 教程 博客 Use proxy services to prevent crawlers

Use proxy services to prevent crawlers

# General




With the continuous development of the Internet and the continuous advancement of crawler technology, the crawler threats faced by websites are becoming increasingly serious. Crawlers may not only cause malicious crawling and frequent access problems, but may also lead to negative impacts such as website performance degradation and data leakage. In order to maintain the normal operation of the website and improve security, using proxy services has become an effective means. This article will deeply explore the concepts and functions of proxy services in preventing crawlers, and conduct detailed analysis based on actual application scenarios to help readers better understand how to use proxy services to deal with crawler challenges.

Basic concepts of proxy services

As a technology for access control and data filtering through the middle layer, proxy service can effectively protect real server resources. In terms of preventing crawlers, the proxy service acts as an intelligent filter, filtering crawler requests to block malicious access and maintain the security of the website.

Anti-crawler function of proxy service

IP address blocking

The proxy service monitors website traffic in real time, identifies and blocks the IP addresses of malicious crawlers, and forms a blacklist to prevent them from continuing to access the website. This mechanism can not only effectively reduce server load, but also improve website availability. However, you need to be careful when setting up IP blocking to avoid accidentally injuring normal users, so it can be used in conjunction with other anti-crawler methods.

Access frequency control

The proxy service can set reasonable access thresholds based on the user's access frequency. For crawlers that visit frequently, the proxy service can limit the number of visits to prevent them from making excessive requests to the website. This helps maintain a normal user experience and ensures that website resources are distributed more evenly.

User behavior recognition

Through the user behavior recognition function of the proxy service, the website can analyze the pattern of access requests and detect abnormal user behavior. For example, high frequency of visits, specific access paths, etc. may be typical characteristics of crawlers. The proxy service can promptly identify and take appropriate measures, such as temporary blocking or enhanced verification, to ensure the normal operation of the website.

Verification code

The introduction of verification code verification mechanism is a very powerful anti-crawler method in proxy services. When the proxy service detects abnormal access, the website can force the user to perform verification code verification. This effectively prevents crawlers from using automated programs to carry out attacks without causing too much disruption to normal users.

Practical applications of proxy services

Anti-crawler strategy development

With the anti-crawler function of the proxy service, websites can develop more flexible and intelligent anti-crawler strategies. By dynamically adjusting thresholds and updating blacklists, websites can better adapt to evolving crawler technologies, thereby improving protection effectiveness.

Data security reinforcement

By filtering crawler access through a proxy service, websites can better protect sensitive data. The proxy service can block illegal access to sensitive data and ensure that these data are not obtained by malicious crawlers. This has a positive impact on the data security of the website.

Performance optimization

The use of proxy services helps share server load and improve the overall performance of the website. By intercepting a large number of crawler requests at the proxy layer, the real server of the website can focus more on providing services to normal users, improving the overall user experience.

Real-time monitoring and logging

The proxy service can monitor website access traffic in real time and record crawler access. By analyzing log records, website managers can understand crawler behavior patterns in a timely manner, optimize anti-crawler strategies, and further improve prevention effects.

In practical applications, these functions of the proxy service can be adjusted and combined according to the specific needs of the website to build a more complete anti-crawler mechanism. In the face of increasingly complex threats from crawlers, continuously optimizing and upgrading these strategies is the key to ensuring website security.

Notes and Challenges

Set thresholds appropriately

When using a proxy service to prevent crawlers, it is necessary to reasonably set IP blocking and access frequency thresholds based on the actual situation and load capacity of the website to avoid accidentally injuring normal users.

Continuously update strategies

Crawler technology continues to evolve, and websites need to constantly update and optimize the anti-crawler strategy of proxy services to maintain effective protection against new crawlers.


When using proxy services, you need to ensure that the formulation and implementation of anti-crawler strategies comply with regulatory and ethical requirements to avoid legal disputes.

In conclusion

Using proxy services as a means to prevent crawlers can effectively maintain the security and performance of the website. By flexibly using the anti-crawler function of proxy services, websites can better protect their own resources, improve user experience, and ensure normal operations and development. In practical applications, the website operation and maintenance team can use a variety of anti-crawler methods based on specific circumstances to establish a more complete website security protection system. By continuously optimizing and updating anti-crawler strategies, websites can more effectively resist evolving crawler threats.

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David Lee

Sharing technical experience, I have been involved in the Internet industry for 5 years, and I hope to bring some help to more people who are confused in the Internet industry.

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