Is it time to abandon bogon prefix filters?
petelists at templin.org
Thu Aug 7 13:04:19 CDT 2008
Patrick W. Gilmore wrote:
> Filter your bogons. But do it in an automated fashion, from a trusted
> Of course, I recommend Team Cymru, which has a most sterling record.
> Nearly perfect (other than the fact they still recommend MD5 on BGP
> sessions :).
How can you recommend Team Cymru, when their product is not in any way a
filter? It is merely an automated method of injecting aggregate null
routes for bogons, but in no way prevents a network from accepting
aggregate or specific bogon announcements (i.e. it does not _filter_).
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