How would I totaly block
63.xx.xx.xx ??
>
>
> > If an Ip address that I want to block are for example
>
> > 63.20.67.64 63.20.63.138
>
> > How would I block all 254 systems?
> > Would I use 63.20.60.0 for the ip to block and 255.255.255.0 for the
> subnet?
>
> Actually, the example above would be 65,536 IPs (63.20.x.x).
>
> If you wanted to block all IPs from 63.20.67.x, you would use
> 63.20.67.0 and
> a netblock of 255.255.255.0.
>
> If you wanted to block all IPs from 63.20.67.x and 63.20.63.x,
> you would use
> 63.20.67.0 with a netblock of 255.255.255.0 *and* 63.20.63.0 with
> a netblock
> of 255.255.255.0.
>
> If you want to block all IPs from 63.20.x.x, you would use 63.20.0.0 and a
> netblock of 255.255.0.0. But, that will block a lot of computers
> -- be sure
> to look up to see what companies own those IP addresses before doing that.
> It could be that you are blocking lots of small ISPs, for
> example, or small
> businesses with class Cs. In reality, it appears that those are both IPs
> from a huge block of IPs that UUNet uses for dialup accounts. Blocking
> those will block lots of people (although probably mostly dialups, which
> wouldn't be much of a problem, unless they have static IPs).
> -Scott
>
> Declude: Anti-spam and Anti-virus solutions for IMail.
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>
>
>
>
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