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There might be an IP already blocked as an open proxy requesting unblock. The edit might malform some wikitext. Proper spambots and vandalbots will also usually use open proxies. If there are no suspects around then you might want to find a recently blocked open proxy for testing. Identify the access point.
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 network ...
Internet censorship circumvention is the use of various methods and tools to bypass internet censorship. There are many different techniques to bypass such censorship, each with unique challenges regarding ease of use, speed, and security risks.
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 ...
The OpenVPN protocol is detected and blocked. Connections not using symmetric keys or using "tls-auth" are blocked at handshake, and connections using the new "tls-crypt" option are detected and throttled (under 56 kbit/s) by the QoS filtering system. [citation needed] GRE tunnels and protocols that use GRE (e.g., PPTP) are blocked. [citation ...
In computer networks, a tunneling protocol is a communication protocol which allows for the movement of data from one network to another. They can, for example, allow private network communications to be sent across a public network (such as the Internet), or for one network protocol to be carried over an incompatible network, through a process called encapsulation.
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The most common form of HTTP tunneling is the standardized HTTP CONNECT method. [1] [2] In this mechanism, the client asks an HTTP proxy server to forward the TCP connection to the desired destination.