vagrantでhttpdサーバの起動がうまくいかない

Vagrantfile

# -*- mode: ruby -*-
# vi: set ft=ruby :
 
# Vagrantfile API/syntax version. Don't touch unless you know what you're doing!
VAGRANTFILE_API_VERSION = "2"
 
Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
  config.vm.box = "centos64_gihyo"
  config.vm.network :private_network, ip:"192.168.33.10"
 
  config.vm.provision :shell, :inline => <<-EOT
    yum update -y
    service iptables stop
    chkconfig iptables off
 
    yum -y install httpd
    chkconfig httpd on
    service httpd start
  EOT
end