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What data can a crawler collect using an HTTP proxy?

For crawlers, the barrier to learning crawlers is very low, especially through Python. Even on the Internet, you can find lots of ways to learn about crawlers, which are good for data collection. For example, you can collect thousands of web pages to analyze. Bring valuable data, not only to learn about your peers, but also to influence your company's decisions. What information can crawlers collect? 1. Images, text and video will crawl product (store) reviews and various image sites. To obtain image resources and comment text data. In fact, it's easy to learn the right way to get data from major sites in the short term. 2. As raw data for machine learning and data mining. For example, if you want to build a recommendation system, you can crawl into more dimensional data and build a better model. 3. Conducted market research and business analysis. Looking for high-quality answers and screening high-quality content; Search the information of real estate websites, analyze the trend of housing prices, and analyze the housing prices of different regions; Obtain job information from recruitment websites, analyze talent demand and salary level of various industries. Which kind of crawler can be used for reference by crawlers? 1. Crawlers usually change IP address restrictions. Typically, they change the IP after collecting once or more, because the LAN limits Internet users' ports, target sites, protocols, games, instant messaging software, and so on, and can access that site. To overcome these limitations, an IP needs to use a proxy IP and change the IP to increase access times. 2. With HTTP proxies, you can also hide the user's real identity.If you need multiple different proxy IP, we recommend using RoxLabs proxy：https://www.roxlabs.io/, including global Residential proxies, with complimentary 500MB experience package for a limited time.

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20-10-2021

How to choose free proxy server software?

Is the proxy server wireless routing? People new to proxy servers often confuse a proxy server with a wireless route. Both are used on the Internet, and some people even think that proxy servers and routers are used in the same way, which is wrong. There is a big difference between the two, otherwise there would be servers phone software. 1. Wireless routing is a machine that connects local area networks and wide area networks on the Internet. servers addresses are a way of writing server addresses on the Internet. Network addresses are classified into internal website addresses and external website addresses. For example, a public network servers corresponds to the name of a neighborhood, and a local area network servers corresponds to the name of a small area. servers addresses assigned to computers by wireless routes belong to internal network servers addresses and are used for internal communication networks but cannot be connected to external networks. Internet servers addresses belong to external websites. 2, proxy server is a service project mobile phone software created on the TCP/servers protocol network layer, with a modulator and network port of the computer work. Therefore, the mobile phone software of proxy server is different for different service items. The common service items are WWW, FTP, mobile phone software is generally installed on the modulator and dot computer with good characteristics, so we can see the high specification of proxy servers hardware configuration machine equserversment and the difference between it and wireless routing. Proxy servers includes general proxy, transparent proxy and high - hidden proxy. Naturally, as a way, proxy servers can be used as a way of revenue, so proxy servers can also be divided into completely free proxy servers and charging proxy servers. Proxy website servers generally adopts transparent proxy or general proxy, which has no maintenance effect on privacy protection, and my network information security cannot be guaranteed. If you need multiple different proxy IP, we recommend using RoxLabs proxy：https://www.roxlabs.io/, including global Residential proxies, with complimentary 500MB experience package for a limited time.

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Common Problem
11-10-2021

How do proxy server addresses prevent network attacks?

How does proxy server software protect against network attacks? Many people know that the main function of proxy server software is to hide the real server address, but do you know that proxy server software can also provide network defense through this function? 1. Proxy server software nodes are deployed in multserverle regions. So that visitors can quickly connect to the nearest node, so that visitors can visit the website more quickly, and CDN cache further improve the speed of website access, reduce the pressure of the website server. 2. The defense mechanism of proxy server software does not have only one fixed protection policy. In order to better deal with a variety of different types of attack, the attack type of the website can be targeted deployment. 3, site server hiding protection back end. If the proxy server software node is deployed in the front end, both visitors and attacks are connected to the proxy server software node. The defense mechanism of the proxy software automatically identifies attacks. If attacks are detected, they are cleaned and filtered. 4. Modify the domain name resolution of the website to the CNAME record value automatically generated by the proxy server software. Because the domain name of the website is not resolved to the server address of the website server, the server address of the website server is hidden in the public network, and hackers do not know the server address of the website server, so it is difficult to launch attacks. In fact, the current means of network intrusion is mainly through server address attack, using our proxy server software can effectively reduce the risk of being attacked. If you need multiple different proxy IP, we recommend using RoxLabs proxy：https://www.roxlabs.io/, including global Residential proxies, with complimentary 500MB experience package for a limited time.

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Common Problem
30-09-2021

Why do e-commerce companies use high - secret proxies?

1. If the same IP address is repeatedly operated, the anti-cheating system will work and the account will be blocked.Brushing is not easy, but any e-commerce platform has a reverse brushing mechanism. For example, IP addresses are verified for each click and browse evaluation. In this case, the role of high - hidden IP proxy is particularly important.2. Considering the anti-cheating system of the e-commerce platform, the operation of the same IP is obviously not feasible.So you need a lot of different ips to operate. Many stores employ a hiring crowd tactic to avoid detection of anti-cheating systems. But this method is inefficient, difficult to control, the effect of different people. The biggest problem is the high cost. On the contrary, if the use of highly anonymous IP proxy for e-commerce operations, the first will reduce costs. Only the cost of purchasing IP, the whole process is controllable, the quality will vary from person to person, by professionals responsible for quality assurance.However, some reported that the anti-cheating system would be triggered even if IP proxy services were used. Not only was the account closed, but the store was also affected. Credit rating downgrades, even store closures, the losses are far outweighed. This is because it is possible to use free P proxies, most of which have no high hiding effect and can track the original IP.First, IP proxies can be classified as free or paid. Free often has slow speed, IP address is not available, anonymity level is not enough or transparent proxy, the risk of being caught, etc. It is only suitable for practice and learning.You want to try to use proxy IP, you can enter the official website of Roxlabs proxy IP to learn more, to provide high hiding stable proxy IP.

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Common Problem
30-09-2021

Which industries will use server proxy？

The rapid development of Internet has brought people a lot of convenience, food and clothing live line depends on its existence, the rise of electricity and broadcast industries is to let many people see the tremendous business opportunities, in the Internet economy, but in many networks are often problems such as the limited server packets, server, this led to the line work and projects, A serious drag on the progress of the work. In fact, the use of server proxy technology can solve and optimize this kind of network problems, the following xiaobian and xiaobian together to see, which industries need its help? 1. Help the crawler Python industry solve server limitations. Python is today the most popular a kind of data collection technology, it climb fetching data from the Internet, and to analyze the valuable information, at the same time, data crawling frequency is very high, on the climb take the user's computer server to perform an server restrictions after processing, when climbing, when you pick up the speed beyond the target server setup this server will not be able to continue to crawl the server. 2. Help game studios to solve the problem of server sealing for games with too many openings. At present, many game players or game studios are using emulators, virtual machines and other ways to open the game for many times, so that the gold coins in the game can get many times the income, and the same server address to log in to multserverle game accounts will lead to the game account blocked or server blocked problem. The above server proxy helps these industries, and its role can be far more than this. In other Industries of the Internet, server proxy can help them better solve network server problems, improve Internet access efficiency and facilitate their network access more smoothly. If you need multiple different proxy IP, we recommend using RoxLabs proxy：https://www.roxlabs.io/, including global Residential proxies, with complimentary 500MB experience package for a limited time.

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Common Problem
29-09-2021

What is Residential Proxies?

Unlike data center proxies, legitimate ISPs offer residential proxies to homeowners. Internet service providers connect these actual SERVER addresses to the home. Most websites trust them and they are hard to blacklist. The real estate proxies is related to the actual physical location. Your ISP will give you a unique SERVER address based on your location. This is your residential SERVER address. 1. A DATA center proxy pool contains only the SERVER addresses of data centers. A DC SERVER address is an SERVER address owned and managed by data centers such as Baidu Cloud and Ali Cloud. Data center proxies have all the advantages and encounter all the disadvantages associated with data center proxies. Proxies in the data center agent pool have a number of obstacles due to ease of detection. Many complex sites perform a lot of spam processing using data center proxies, so these sites are subject to special scrutiny and are easy to detect and intercept due to their uniqueness. 2. Residential proxy pool is an agency pool that contains only residential proxies. A home proxy uses an SERVER address assigned by an Internet service provider (ISP) to a device in a residential area. A Guide to Residential Proxies : What is a Housing proxy and how it operates? Unlike a blocked pool of data center proxies, proxies in a residential proxy pool are not a problem because they route requests through the devices of real Internet users, and it is difficult for web sites to find these requests and talk about or block them. However, this does not stop the evidence.If you need multiple different proxy IP, we recommend using RoxLabs proxy：https://www.roxlabs.io/?, including global Residential proxies, with complimentary 500MB experience package for a limited time.

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Common Problem
28-09-2021