15 Apr
1998
15 Apr
'98
3:52 p.m.
Karl Denninger said once upon a time:
We already do this - its not a perfect filter, but it will only let you transmit packets with sources that COULD possibly come from us.
The puzzling thing is why anyone would want to transmit packets over their for-cost links with an address that wasn't from their network. Proper filters have other benefits aside from the obvious attack issues.