What were we saying about edge filtering?

Thu Sep 4 16:51:05 UTC 2003

Source address-based filtering in the backbone is expensive and, in many
cases, non-feasible.

Owen

--On Thursday, September 4, 2003 10:30 AM -0500 Jack Bates 
<jbates at brightok.net> wrote:

>
> Christopher L. Morrow wrote:
>>
>> At the edge, very near the originating host there is no reason not to
>> filter these, if you find the sources you might consider asking them why
>> they didn't filter these for you...
>>
>
> And what is the reason to not filter these in the backbone? Full spoof
> protection at some levels is near impossible. However, bogon filtering is
> not.
>
> -Jack
>