Re: Request for comment -- BCP38

[Seth Mattinen <sethm () rollernet us>]

On 9/26/16 07:47, Stephen Satchell wrote:
> On 09/26/2016 07:11 AM, Paul Ferguson wrote:
> > No -- BCP38 only prescribes filtering outbound to ensure that no
> > packets leave your network with IP source addresses which are not
> > from within your legitimate allocation.
>
> So, to beat that horse to a fare-thee-well, to be BCP38 compliant I
> need, on every interface sending packets out to the internet, to block
> any source address matching a subnet in the BOGON list OR not matching
> any of my routeable network subnets?  Plus add null-route entries for
> all the BOGONs in my routing table so I don't send a bad destination
> packet to my upstream?



I start with customer interfaces and configure them to only allow 
traffic with a source address in their assigned subnet.

~Seth