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How to distinguish a good proxy servers？

Now online proxy servers is an easy thing, but this a few years the development of the proxy servers market, make various proxy servers is filled with the market, the quality of the proxy servers also vary, but as a consumer or hope to be able to buy proxy servers, to use high quality to meet the needs of work and life, therefore, looking for a cost-effective, suitable for your product more difficult.HTTP proxy servers is basically divided into three categories: transparent proxy, common proxy, and high-hiding proxy. The high-hiding proxy servers mentioned here can also be understood as high-hiding proxy. In short, the three types of proxy, highly anonymous proxy, as the name implies, hide their real servers address, it does not change people's request information, just like real customers access the server. General anonymous agentThis agent will modify the request information of the user client, and it is possible to find that the agent is used, but this is only a possibility, and it is more secure than a fully anonymous agent in many cases. Transparent proxy, like ordinary anonymous proxy, will change the request message and display the real servers address based on this message, so it is not suitable for brushing, registration and network marketing personnel.This kind of high-quality HTTP proxy servers is not without, take proxy for example, proxy is the leading HTTP proxy servers platform in China, seize the high-quality servers pool rental and exclusive servers customization services, here you can find the high-quality servers you want to use, but also according to personal needs specially customized belongs to the exclusive proxy servers pool, It solves a series of disadvantages of servers sharing.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
16-11-2021

Does the web data acquisition proxy need to use dynamic IP or static IP?

There may be many problems in the crawler process, such as IP is blocked by the website. In order to ensure the smooth progress of crawler, it is necessary to use proxy server, but there are many types of proxy, Roxlabs mainly introduces to you the following static IP and dynamic IP generation which is the best for web data capture?1. Static IP provides only one IP address for you to use until you need to change it. So hundreds of requests sent in a short period of time from a single IP address. The site server recognizes this activity as bot activity and blocks the IP.2. The dynamic IP proxy will allocate a new IP or change a new IP according to the set time after each request, so as to bypass the anti-fetching measures implemented by the website administrator. It is very suitable for large-scale data fetching.In summary, static IP proxy can be used for small-scale capture, and the chance of being blocked is lower. Large scale fetching requires dynamic IP proxy to bypass target site anti-fetching measures. Roxlabs provides dynamic residential proxies and static residential proxies, high anonymous business availability, access to different website data, make your data capture work easier.

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Common Problem
16-11-2021

What does a proxy server do? What problems can be solved?

First, using a proxy server is anonymous, so neither the site nor other users know the real IP of your specific proxy server, which is safe enough for the site to be vulnerable to attacks.Second, with a proxy server, access to resources can also be blocked. On the Internet, there is a lock that prevents users from fully accessing your site or any of its functional resources, thus having no lock on the user's country of residence. That is, if for example, you live in Russia and want to watch a video on a European website, but it does not apply to users in our country, using a proxy server in another country (access to which is open), you can watch the video. This is an example of the limited functionality of the user's country site, but certain resources that perform blocking web pages, what is proxy would also be the solution to that problem.Third, solve the problem of website restrictions. Data acquisition users will be shielded from IP due to their frequent and frequent visits to the website due to excessive pressure or being hit by the anti-cheating system of the website. Therefore, IP is particularly important at this time.Of course, in addition to the above functions, proxy server is also widely used in different fields, the demand for IP is also increasing, Roxlabs provides global residential proxy services, including a variety of IP resources, fully meet the needs of various industries for IP, now there are free experience activities, Register to receive 500MB of free resources.

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Common Problem
03-11-2021

What is dynamic IP proxy

Dynamic IP means that when the client server uses proxy IP to send a request to the terminal server every time it accesses the Internet, it first passes through the proxy server, and then the proxy server makes a request to the terminal server instead of the client. IP address is an IP address randomly assigned by the server as a temporary change address.Obtain the dynamic IP address from the dynamic host configuration protocol server. Dynamic IP address, subnet mask, default gateway, and DNS server. When an Internet enabled device attempts to connect to the Internet, the server provides a dynamic address. Therefore, dynamic IP search is automated and makes it easier to manage the network.Roxlabs uses the dynamic P2P proxy network to collect any network data. It has more than 30 million dynamic residential IPS, unlimited concurrent requests and global coverage. It provides 500MB free trial. Welcome to try.

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Common Problem
28-10-2021

How to solve the problem of IP blocking when capturing web data?

Generally speaking, when collecting web page data, if the collection frequency is too high, the IP address of the website will be limited, so that you can no longer access it within a certain period of time, and the data collection naturally cannot continue. If you want to solve this problem, the best way is to manage the server.When obtaining information, if the number of crawls exceeds the threshold set by the website, you will get a 503 or 403 response and cannot enter. Generally speaking, the anti crawler mechanism of a website is based on IP to identify whether it is a normal user. Therefore, in order to solve this problem, developers often need to do two things:1. Reduce access speed and target site pressure. However, this reduces the grabbing of categories per unit time.2. By setting up a proxy server, the anti cheating of the website is broken through and high-frequency crawling continues. At this time, multiple stable proxy IPS are required.Proxy IP can be searched for free, but it may be unstable and take a lot of time. This may not be cost-effective or not a long-term solution. If you want a stable and easy-to-use proxy server, you'd better find a proxy server that needs to pay. After all, there is a specially assigned person to manage it, and you will pay more attention to user feedback.If you have too many questions about selecting proxy servers, it is recommended that you test them before purchase. Roxlabs provides 500MB trial for new users, including global IP resources and unlimited bandwidth extraction.

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Common Problem
26-10-2021

What is the relationshservers between HTTP proxies and crawlers?

"Web crawler" is no stranger to those engaged in Internet big data. Even if they do not use it, they also know a little about it. In the era of Internet big data, where does data come from? Only a crawler can get data from a target, so what does an HTTP proxy have to do with a crawler? 1. HTTP proxy is an important part of web crawler. However, its usage is very large, and the returned data needs to access the target server through HTTP proxy. If the servers that accesses the target server frequently cannot be used soon and will be shielded by the other server, then crawler cannot run naturally. Therefore, the emergence of HTTP proxy is to solve the problems encountered by crawler. 2, ADLS dial-up VPS: bought a large number of dynamic VPS servers, continuous dial-up to obtain an servers, and then put it into your own servers pool, after processing to produce extraction links. Decompress servers with API links. servers collection: In order to save money or develop internshservers opportunities, some users will collect some public free servers, but such servers users are few, because it is not secure, poor quality, can not meet the needs of crawlers. Proxy servers address: Purchase a proxy servers address from the proxy servers provider website.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
25-10-2021