I have set my Vagrant (1.2.2) VM running VistualBox to :private_network and I have started a Sinatra server on it. However I am not able to connect to that Sinatra instance. However the VM runs and responds to pings. Here is my Vagrantfile Vagrant.configure("2") do |config| config.vm.box = "precise64" config.vm.network :private_network, ip: "192.168.33.10" end So I start the Vagrant VM and ssh int