MITM attacks allow the Chinese authorities, like the CNNIC, to issue self-signed certificates effectively being able to capture all communications and data with a particular site. Here are some of the main advantages of using a VPN: Encrypt your data traffic: A VPN encrypts your data traffic, meaning that no one can see what you are doing online, not even your internet. Websites often use SSL certificates to transmit data, ensuring it's encrypted. Man-in-the-middle (MITM) attacks are used by the Chinese government to "impersonate" and use root certificates from Chinese authorities instead of ones by actual providers. All VPN providers must hand over user data and comply with the country's censorship policies, which defeats the primary purpose of using a VPN: anonymity. It's pertinent to mention that VPNs in China aren't actually outlawed. By inspecting individual packets of data sent to the server, it can identify where it came from, including any applications in use. The Great Firewall analyzes traffic using methods like deep packet inspection to detect if someone is using a VPN. It's one of several countries where VPNs are illegal and heavily restricted. The Chinese government is vehemently against the use of VPNs. This method of DNS hijacking relies on targeting specific keywords. The Great Firewall of China uses a series of "fake" DNS servers that return invalid IP addresses if you try to open certain sites. Think of it as a massive directory of all website addresses. In present-day reality, a VPN subscription is a must because of the identity thieves. When you type in a URL in your browser, it converts it into an IP address and then uses the Domain Name System (DNS) to identify and serve relevant content. Visit any websites anonymously and access wished content from anywhere with no ads Download KeepSolid VPN UnlimitedĀ® for free and start your 7-day trial. This method requires the database to be regularly updated with relevant keywords to work effectively. As soon as a keyword matches, the entire page is blocked. These proxies also scan a web page's content and look for target keywords to block. URL blocking is quite simple: the proxies scan a series of characters used by web technologies to locate information on servers, known as Uniform Resource Identifiers (URIs). It consists of a series of proxies that monitor and filter traffic on the web. URL blocking or filtering is one of the most effective methods used by the Great Firewall.
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