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How does the Great Firewall block websites? Since the Great Firewall (GFW) is deployed at various international Internet exits in mainland China, there are many methods to block inbound and outbound traffic, and the two most commonly used methods are DNS pollution and IP blocking. The DNS server is also Read more…

Scientific Internet access refers to the behavior of accessing blocked or restricted websites, applications or services by bypassing the network restrictions of the country or region through some technical means. These restrictions may be imposed by governments, Internet service providers or other authorities, usually for political, security or legal reasons. Read more…

To detect if the VPN is working properly, you can perform the following steps: Confirm that the VPN is connected: First, check your VPN client or operating system settings to confirm that the VPN is connected and the connection is not interrupted. Some VPN clients display a connection status icon Read more…

A VPN (Virtual Private Network) is a network security technology that uses encryption and tunneling protocols to create a secure connection over a public network to protect data and communications while remotely accessing another network or the Internet. Here’s how a VPN works: The client connects to the VPN serverThe Read more…

A VPN (Virtual Private Network) is a technology for encrypted communication over a public network such as the Internet. It helps users protect their online privacy and security, hide their real IP address, access blocked websites, and bypass geo-restrictions. Here are some of the main uses of a VPN: Encrypted Read more…

Using a VPN can hide your actual IP address and protect your privacy by encrypting data transmissions, but it doesn’t completely eliminate the possibility of cyberstalking. First, the VPN service provider you use may log your online activity. Although they will often claim not to log your browsing history, they Read more…

The “Great Firewall” refers to a series of technological controls imposed by the Chinese government on the Internet to filter and censor information and content on the Internet, and to restrict access to websites and services deemed not to comply with government requirements. The Great Firewall mainly uses technical means, Read more…

“Over the wall” refers to accessing blocked websites or services by bypassing geographical restrictions and censorship on the Internet through some technical means. Often these means include the use of virtual private networks (VPNs), proxy servers, Shadowsocks, etc. “Scientific Internet” is a similar term, which also refers to the use Read more…