Túneles
Abrir tunel
$ ssh -N -f -L 8080:localhost:80 -M -S .ssh/tunnel.server1 server1.lastr.us
Probar
$ wget -O- --user=usuario --password=pass123 http://localhost:8080/
Ver PID del tunnel
$ ssh -S .ssh/tunnel.server1 -O check server1.lastr.us
Cerrar tunel
$ ssh -S .ssh/tunnel.server1 -O exit server1.lastr.us