1. A method for remoting multi-touch input in a remote presentation session between a remote presentation client computer and a remote presentation server computer that serves the remote presentation session comprising graphical output from a user session, comprising: receiving, by the client computer, multi-touch input indicative of a user multi-touching a multi-touch-sensitive input device made locally to the client computer; sending an indication of the multi-touch input to a process executing in the user session of the server computer via a User Datagram Protocol (UDP) connection, the server computer performing processing corresponding to the multi-touch input; establishing, by the client computer, a Transmission Control Protocol (TCP) connection with the server computer; receiving, by the client computer, a second input indicative of mouse, keyboard, or pen input made locally to the client computer; and sending an indication of the second input to a process executing in system space of the server computer via the TCP connection, the process executing in system space injecting the second input into the user session, the user session performing processing corresponding to the second input.