Is it time to abandon bogon prefix filters?
Laurence F. Sheldon, Jr.
LarrySheldon at cox.net
Wed Aug 6 10:46:35 CDT 2008
Leo Bicknell wrote:
> Have bogon filters outlived their use? Is it time to recommend people
> go to a simpler bogon filter (e.g. no 1918, Class D, Class E) that
> doesn't need to be updated as frequently?
Seems like filtering against those could be done on the backplane, so to
One of the things that has always puzzled me is this:
In the default-free zone, why is necessary to filter _against_ anybody?
Seems like traffic for which there is no route would at most be dumped
to an error-log someplace.
For folks with a default route, I have long advocated (with no success
what ever) filtering against stuff like the above, your own networks as
sourced somewhere else, such.
I also think a central blacklist a la spamhaus for networks makes sense.
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