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How does web site online proxy help crawlers?

When crawler is used to crawl data, it is easy to be disabled by the anti-crawler mechanism of the website servers, in order to avoid this situation, most choose HTTP proxy servers to complete the work. However, many users using HTTP proxy servers will often be blocked, so why is HTTP proxy servers crawler collection still blocked?This is because many users have misconceptions about HTTP proxy servers. HTTP proxy servers is not a cure-all and can also be blocked if used incorrectly.1. HTTP proxy servers is generally divided into three categories: transparent proxy, common anonymous proxy, and advanced anonymous proxy. If you use transparent proxy and common anonymous proxy, other web servers will detect the servers address using this proxy, and it will be restricted.2. When using HTTP proxy servers crawler, there are many factors that will cause servers to be blocked, such as cookie and UserAgent, which cannot be cleared. After reaching the threshold set by the target website, servers will be blocked.3. Due to the low access frequency of ordinary users, if the frequency of accessing the target website is too fast, servers will also be blocked, and the anti-crawling strategy will identify the access too fast.The above is a brief introduction to the reason why THE HTTP proxy servers crawler is blocked. If you want to avoid THE servers blocking, you should try to simulate the normal access of real users.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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FAQ
16-11-2021

How to set up a proxy servers server?

With the development of network, people's demand for network resources and services is increasing day by day. Computers are increasingly connected to the Internet. The network is changing our life, the rapid development of the network has also brought large servers address occupation, host at the same time large, zero cost per unit of the network increased significantly and other problems. Therefore, how to solve these network access problems and improve network security and utilization? You can create proxy servers.The following describes the simple princserversle of setting up a proxy servers server. AgentServer(ProxyServer) : a computer (called a client) that cannot perform an operation on its own. It performs the operation through a server, a ProxyServer.Just like agents in daily life, we assume that there is machine A(client), which wants to obtain data from B(Internet), and the ProxyServer is C(ProxyServer). The specific operation process is as follows: In order to obtain the data of B, A must first establish A connection with C. After receiving A's data request, C must establish A connection with B, download the data of COMPUTER B required by A to the local computer, and then transfer it to A to complete the agent. The functions of a real proxy server are more complex than the above simple descrserverstion.Today, most Internet applications can be implemented through proxies. Install the configuration software into an agent on the LAN that connects to an external server. The current proxy server software is very powerful and mature, including WinGate, CCProxy, WinRoute, SyGate and so on. TCP/servers, serversX, NETBEUI communication protocol, WWW browsing, FTP file transfer, Telnet remote login, Email sending and receiving, TCP/UDP port mapping, SOCKS proxy, etc.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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FAQ
16-11-2021

What kind of proxy server does web data capture generally use?

A proxy server is a relay station for network information. The real IP address of the user can be hidden by accessing the target station through a proxy IP address. Let's say you want to crawl data from a website with a million pieces of content, and they set an IP limit of 1,000 per IP per hour. If a single IP address is limited, the collection time will be longer. If a proxy IP address is used, the frequency limit of 1000 IP addresses per hour can be exceeded and the collection efficiency can be improved. So what kind of proxy does a reptile use?1. Proxies are classified according to their protocols. Common proxies can be divided into HTTP proxy, HTTPS proxy, and SOCKs5 proxy.2. According to the degree of anonymity of proxies, they can be classified into transparent proxies, punic proxies and high-secret proxies, among which the high-secret proxies have the highest degree of anonymity, that is, the highest security.3. Classified by purity, exclusive IP and shared IP. If you want to improve crawler efficiency, it is natural to choose exclusive IP.4. According to whether proxies are constant or not, they can be classified into dynamic proxy IP and static proxy IP. Dynamic proxy IP is changeable and suitable for collecting large amounts of data, while static proxy IP is fixed and unchanged and suitable for collecting small data.5. By source, residential IP addresses and data center IP addresses can be classified. Residential IP addresses are IP addresses bound to physical devices (such as desktop computers).The DATA center IP address is from the equipment room of a network provider. Relatively speaking, residential IP has higher security and is more suitable for big data capture. The above content describes the type of proxy, you can choose the type of proxy combined with the above content, if you have any questions about which type to use, you can enter Roxlabs to get a trial, trial includes a variety of proxy types, free 500MB trial.

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FAQ
16-11-2021

Why is a SOCKS5 proxy server needed?

SOCKS, short for the term SocketSecure, is responsible for the packets sent and received between the network and the client. SOCKS5 is an enhanced version of SOCKS, which requires further authentication to access the proxy server. This can act as an extra layer of security. So why use SOCKS5 proxy IP? What are the benefits?1.SOCKS5 proxies are relatively faster than other proxy types.2.using SOCKS5 proxy server, you can bypass site location access rights, enabling you to browse and access any site you want.3.SOCKS5 proxy will not rewrite the packet header, overall better performance, less chance to encounter errors.SOCKS5 is the combination of TCP and UDP. TCP is a protocol that establishes some type of physical connection between a client and a server, organizing data in this way to ensure that all data has reached its destination. UDP, on the other hand, is not interested in the secure arrival of data. Instead, it focuses on the speed and efficiency of data transmission. This makes it faster but less reliable than TCP. SOCKS5 combines TCP and UDP, making it the ultimate fast and reliable data transfer protocol. In a word, in the Internet world, we can not do without proxy IP, proxy IP types can be selected, different types of proxy IP has different advantages. The preceding content mainly describes the benefits of SOCKS5 proxy IP address to help you further understand the SOCKS5 proxy IP address.If you want to test and use it, you can try RoxLabs proxy. The free test includes all kinds of IP resources around the world. After registration, you can send 500MBip resources for trial, and get free IP every day.

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FAQ
16-11-2021

How to choose housing proxy and data center proxy?

Both the residential proxy and the data center proxy hide your IP address. Data center proxies typically come from cloud server providers, while residential proxies  come from ISPs (Internet service providers). Typically, residential proxies are harder to detect by websites, while data center proxies are cheaper and more responsive. So, how to choose between residential proxy and data center proxy?The choice between a residential proxy and a data center proxy depends on whether you need high security and legitimacy, or whether you need a faster proxy. Speed, security, and legality are the main differences between data centers and residential proxies. In most cases, it's best to use a residential proxy because it doesn't leave a footprint or trigger any security alerts. Residential IP has the characteristics of disconnected numbers, scattered distribution, and the same distribution as common users. If you need to collect a lot of data and have a location requirement, using a residential proxy is best. Data IP has the characteristics of fixed IP, stable online, and relatively cheap price. However, IP in the machine room often has problems such as serial number and unbalanced regional distribution. Data center proxy is more suitable for long-term online services. When choosing a residential proxy and a data center proxy, first understand their characteristics and then choose the proxy type based on your business needs.Roxlabs provides the most advanced data center network and the fastest residential proxy server, including many types of IP worldwide, city level location, all can be free trial.

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FAQ
16-11-2021

When to use a data center proxy?

The data center proxy is the IP address obtained from the data center server. The data center proxy works the same way as the proxy does. When you send a request to the Web, when you request information from the site, the request is not sent directly, but through a proxy server. Proxy servers use different IP addresses to send requests to the network on your behalf, and then send the information back to the client. So what are the uses of data center proxy IP?Using a data center proxy, you can access the Internet without showing your IP address. The IP address to be used will be the IP address of the server of your choice, thus protecting your Internet privacy.2, web crawl crawl data from the Internet, the site is easy to block you. But by using a data center proxy, you can use multiple ips to complete tasks so that the Web site cannot recognize your activities.3. Access to geographically restricted Content Sometimes people in certain areas cannot access certain content or websites. Because data center proxy servers are scattered around the world, you can easily switch to another server and browse as if you were in that location.Data center proxies are a way to solve Internet privacy problems and can also perform multiple tasks online, such as web scraping. The choice of data center proxy type is important because they all have different performance levels.Roxlabs offers a state-of-the-art network of data centers, including multiple IP types around the world, city-level locations, all available for free trial.

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FAQ
16-11-2021