> >> Filtering the bogons does help, and everyone should perform anti-spoofing > >> in the appropriate places. It isn't, however, a silver bullet. > > it's necessary but not sufficient. > > anti-spoofing is useful, but vastly insufficient, and hence not necessary > > randy
anti-spoofing eliminates certain avenues of attack allowing one to focus on remaining avenues, and hence (as Vix stated) is necessary but not sufficient.
