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Ping Tunnel For those times when everything else is blocked. By Daniel Stødle, firstname.lastname@example.org Last updated: 5. September 2011 Contents What is it? Features and requirements How it works Download Using ptunnel Changes License What is it? Ptunnel is an application that allows you to reliably tunnel TCP connections to a remote host using ICMP echo request and reply packets, commonly known as ping requests and replies. At first glance, this might seem like a rather useless thing to do, but it can actually come in handy in some cases. The following example illustrates the main motivation in creating ptunnel: Setting: You're on the go, and stumble across an open wireless network. The network gives you an IP address, but won't let you send TCP or UDP packets out to the rest of the internet, for instance to check your mail.
brew install ptunnel
This formula has no dependencies.