>> Good day to all!
>> I would like to seek some advice on how to block an entire domain
>> that: 1. messages / sends email on my domain.
>> 2. block the url of a specific domain so that all my workstations cant
>> view that site.
>>
>> Thanks
> SUPERMAN,
>    Are you using ipchains or iptables? You can used either of this,
>    block
> the destination site....
>    ex.
> ipchains -A output -s $yournetwork/subnetmask -d <the site want to
> block> -j DENY or REJECT
> iptables -A output -s $yournetwork/mask -d <thes site want to block> -j
> REJECT or DROP

i'm afraid that won't be a very optimal solution as domain naming is in the
application layer, not the network layer. if that errant domain is just
using virtual hosting, you'll end up blocking other domains that may be
hosted in the same server that domain is in...




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