If you use nat on iptables, it will also bypass it while using NAT. Change the DNS server on virtualbox with doing something on dd-wrt it will also bypass it. You have to keep dealing with it. There will always be a way to bypass. On Fri, Dec 11, 2015, 7:38 PM wrote: > On 12/11/2015 08:29 PM, Willie M wrote: > > If that is the only website you want to block use /etc/hosts. Point it > > towards your own computer. "127.0.0.1 facebook.com". > > That will work, but if they will use boot VirtualBox Windows it will > by-pass that setting. > > -- > Thelma > > > > On Fri, Dec 11, 2015, 7:04 PM wrote: > > > >> Does anybody have an idea how to block facebook? > >> > >> I'm using dd-wrt. The "access restriction" can block http but not https > >> and I'm not good in iptables :-/ > >> In addition users are using VirtualBox on the network as well. > > -- Willie Matthews matthews.willie80@gmail.com 702-659-9966