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VPN blocking. VPN blocking is a technique used to block the encrypted protocol tunneling communications methods used by virtual private network (VPN) systems. Often used by large organizations such as national governments or corporations, it can act as a tool for computer security or Internet censorship by preventing the use of VPNs to bypass ...
UltraSurf is a closed-source freeware Internet censorship circumvention product [ 2] created by UltraReach Internet Corporation. The software bypasses Internet censorship and firewalls using an HTTP proxy server, and employs encryption protocols for privacy. The software was developed by two different groups of Falun Gong practitioners at the ...
An encrypted VPN can be used as means of bypassing content control software, especially if the content control software is installed on an Internet gateway or firewall. Other ways to bypass a content control filter include translation sites and establishing a remote connection with an uncensored device.
Internet censorship circumvention. Internet censorship circumvention, also referred to as going over the wall ( Chinese: 翻墙; pinyin: fān qiáng) [ 1][ 2] or scientific browsing ( Chinese: 科学上网; pinyin: kēxué shàngwǎng) [ 3] in China, is the use of various methods and tools to bypass internet censorship . There are many ...
Web filtering in schools. Web filtering in schools blocks students from inappropriate and distracting content across the web, while allowing sites that are selected by school administrators. [1] Rather than simply blocking off large portions of the Internet, many schools utilize customizable web filtering systems that provide them with greater ...
Internet censorship and surveillance has been tightly implemented in China that block social websites like Gmail, Google, YouTube, Facebook, Instagram, Twitter, and others. The excessive censorship practices of the Great Firewall of China have now engulfed the VPN service providers as well. [clarification needed]
A reverse connection is usually used to bypass firewall restrictions on open ports. [1] A firewall usually blocks incoming connections on closed ports, but does not block outgoing traffic. In a normal forward connection, a client connects to a server through the server's open port, but in the case of a reverse connection, the client opens the ...
Lantern (software) Lantern is a free [ a] internet censorship circumvention tool that operates in some of the most extreme censorship environments, such as China, Iran, and Russia. [ 5] It uses wide variety of protocols and techniques that obfuscate network traffic and/or co-mingle traffic with protocols censors are reluctant to block.