NordVPN Free Proxy

FAQ

What is Postern?

Postern is a free and open-source command-line tool that allows you to access the internet through a proxy server. It is written in Python and is available for Windows, macOS, and Linux systems.

Postern is designed to be simple and lightweight, and does not require any configuration. You can use it to access the internet through a proxy by simply specifying the proxy server and port, and then using Postern as a socks5 proxy for your internet connection.

Postern includes features such as:

Support for SOCKS5 and HTTP proxies
Automatic proxy rotation
Built-in support for popular public proxies
Ability to chain multiple proxy servers

Postern can be used to bypass internet censorship, improve performance, or anonymize your web browsing. It is often used in countries with internet censorship, or in corporate or educational settings where network access is restricted.

In summary, Postern is a free and open-source command-line tool that allows you to access the internet through a proxy server. It is available for Windows, macOS, and Linux systems, and includes features such as support for SOCKS5 and HTTP proxies, automatic proxy rotation, built-in support for popular public proxies, and the ability to chain multiple proxy servers. It can be used to bypass internet censorship, improve performance, or anonymize your web browsing.

Is it legal to extract data from websites?

Whether it is legal to extract data from websites depends on the specific circumstances. In general, extracting data from websites for personal or non-commercial use is usually considered legal as long as it does not violate the website's terms of use or the laws of the country in which the extraction takes place.

However, extracting data from websites for commercial use or for the purpose of scraping large amounts of data can raise legal issues, particularly if it involves copying or reproducing the content of the website without the owner's consent. Additionally, many websites have terms of use that prohibit or restrict the scraping of their data, so it is important to review the terms of use of a website before extracting data from it.

If you are uncertain whether it is legal to extract data from a particular website, it may be a good idea to seek the advice of a lawyer with experience in intellectual property law or internet law.

What is big data?

Big data refers to large, complex, and diverse data sets that cannot be processed and analyzed by traditional data processing software. This type of data is generated from a variety of sources, including social media, online transactions, and sensor-generated data. The size, velocity, and complexity of big data make it difficult to store, manage, and analyze using traditional database and software technologies. However, big data holds valuable insights and business opportunities, which is why many organizations are investing in big data solutions and technologies to harness its potential. These solutions include Hadoop, Spark, and NoSQL databases, among others.

What is a Mobile Proxy?

A mobile proxy is a type of proxy server that allows a user to make requests to websites and services using a mobile IP address, rather than a desktop IP address. The use of mobile proxies is becoming increasingly popular in the web scraping and data extraction industry, as many websites and services use different methods to detect and prevent automated scripts and bots from accessing their content.

By using a mobile proxy, a user can make requests to websites and services that are specifically designed for mobile devices, such as mobile-optimized websites and mobile applications. This allows users to access content that may not be available through a desktop IP address, and reduces the likelihood of encountering anti-scraping tools and other security measures.

Mobile proxies are typically used in conjunction with other tools, such as web scraping libraries, to extract data from websites and services in an automated fashion. The use of mobile proxies can help ensure that the data collected is more accurate and up-to-date, as it reflects the experience of a user on a mobile device.



Why ad verification is important?

Ad verification is the process of ensuring that online advertisements meet certain standards and quality criteria. It is important for a number of reasons:

1. Brand protection: Ad verification helps to ensure that an advertiser's brand is not associated with inappropriate or offensive content, which can damage brand reputation and customer trust.
2. Ad fraud prevention: Verifying advertisements helps to prevent ad fraud, such as misleading clicks, fake impressions, and bot traffic, which can cost advertisers money and lead to ineffective campaigns.
3. Compliance with industry standards: Ad verification helps to ensure that advertisements comply with industry standards and regulations, such as those related to data privacy and disclosure of sponsored content.
4. Ad experience improvement: By verifying advertisements, it is possible to improve the overall ad experience for users and prevent annoying, intrusive, or low-quality advertisements from appearing on websites and mobile apps.

Overall, ad verification plays a critical role in maintaining the quality and integrity of the online advertising industry and ensuring that advertisements are effective, trustworthy, and enjoyable for users.