North American Network Operators Group|
Date Prev | Date Next |
Date Index |
Thread Index |
Author Index |
Re: Barracuda Networks Spam Firewall
- From: Eric A. Hall
- Date: Wed May 19 19:26:37 2004
On 5/19/2004 6:19 PM, James Couzens wrote:
> On Wed, 2004-05-19 at 15:28, Eric A. Hall wrote:
> Going through the spam that I've got access to (and it is a substantial
> amount allbeit not in the millions of spam per day) I can't seem to
> associate the spam with chinese urls, and certainly not to the extent
> that you indicate (90%).
extract hostname from url, dig on hostname, whois on addr, and nine times
out of ten the host is in a CN netblock. that's from the spam that gets
into my mailbox.
let me state AGAIN that what I really want is a plugin that allows for
cidr match-lists so that I can also include the handful of non-enforcing
hosters in Russia, New York, Florida, etc. One responder also suggested
ASN matchlists but I'm not that mad.
Eric A. Hall http://www.ehsco.com/
Internet Core Protocols http://www.oreilly.com/catalog/coreprot/