What is the use of the ICMP tunneling tool ptunnel

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ICMP tunneling tool ptunnel

In some network environments, both TCP and UDP packets are intercepted without authentication. If the user can ping the remote computer, he can try to establish an ICMP tunnel and send TCP data through the tunnel to achieve unrestricted network access. Kali Linux provides a special tool ptunnel for ICMP tunneling. Users need to start the tool to set up a proxy server in advance outside the restricted network. The ICMP tunnel can be established by running the tool in client mode. In order to avoid abuse of the tunnel, the user can also set a password for the tunnel.

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