- dib-os-packages: 'vlan,vim,less,bridge-utils,sudo,language-pack-en,iputils-ping,rsyslog,curl,python,debootstrap,ifenslave,ifenslave-2.6,lsof,lvm2,tcpdump,nfs-kernel-server,chrony'
+ dib-os-packages: 'vlan,vim,less,bridge-utils,sudo,language-pack-en,iputils-ping,rsyslog,curl,python,debootstrap,ifenslave,ifenslave-2.6,lsof,lvm2,tcpdump,nfs-kernel-server,chrony,iptabls'