StdioTunnel project allows you to tunnel arbitrary TCP connections through any shell access connection.
If the connection provides a clear 8-bit data path and allows you to start programs, you can use it with StdioTunnel.
It tunnels TCP connections in much the same way SSH does, but is useful in particular cases where SSH port forwarding is disabled, and it does not require running or changing the configuration of any server processes on either side of the connection.
Once StdioTunnel handshakes, the connection you used to initiate it is no longer available. The local StdioTunnel process will ignore further input. The connection is shut down when you kill the StdioTunnel process at either end.
All that is required for StdioTunnel to make a connection is that the standard input and output of the remote side appear to be connected through an 8-bit clear channel to the standard input and output of the process started by the local side. ssh with the -e none option to turn off the escape character works quite nicely as the connecting process.
Please note that using ANY software, StdioTunnel included, to work-around firewall restrictions may make systems on either side of the firewall more vulnerable to any number of attacks. StdioTunnel may have bugs that make such vulnerabilities even worse. The user takes sole responsibility for any adverse consequences of using this software.
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