dealing with bogon spam ?
Leslie
leslie at craigslist.org
Tue Oct 27 23:57:17 UTC 2009
First off, I'm not certain if unallocated space in blocks less than a /8
is properly called bogon, so pardon my terminology if I'm incorrect.
We're seeing a decent chunk of spam coming from an unallocated block of
address space. We use CYMRU's great list of /8 bogon space to prevent
completely off the wall abuse, but the granularity stops at /8's.
Obviously, I've written the originating AS and its single upstream
provider (sadly without any response). I'm not looking for a one time
solution for this issue however -- I'd like to permanently block (and
kick) anyone who's using unallocated space illegitimately.
How have you dealt with this issue? Does anyone publish a more granular
listing of unallocated space? Does arin have this information somewhere
other than just probing any given ip via whois?
Thanks!
Leslie
Craigslist Spam Hater
More information about the NANOG
mailing list